How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Flight times from Colorado to Washington, D.C. Dulles Intl Airport vary, but if you’re flying out of Denver and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 3h 15m on average. Another popular route from Colorado to Washington, D.C. Dulles Intl Airport is flying from Colorado Springs to Washington, D.C. Dulles Intl Airport, which will take roughly 5h 30m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Colorado according to our data. United Airlines is the first choice among our users, with 83% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 4 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Colorado to Washington, D.C. Dulles Intl?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Colorado to Washington, D.C. Dulles Intl

How many operators does momondo search for flights from Colorado to Washington, D.C. Dulles Intl Airport?

There are 4 operators available for flights from Colorado to Washington, D.C. Dulles Intl Airport as of September 2026.

How old do you have to be to fly from Colorado to Washington, D.C. Dulles Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$125 Cheap Flights from Colorado to Washington, D.C. Dulles Intl Airport in 2026/27

Q: How many flights depart from Colorado to Washington, D.C. Dulles Intl Airport on average per week?

As of September 2026, 137 flights take off from Colorado and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

Q: How many flights depart from Colorado to Washington, D.C. Dulles Intl Airport on average per day?

As of September 2026, 19 flights take off from Colorado and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 8:00AM, with 47% of daily flights taking off at noon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:12 pm - 5:13 pmDEN Denver Intl-IAD Washington, D.C. Dulles Intl

18h 01m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson

9:06 pm - 9:31 pmIAD Washington, D.C. Dulles Intl-DEN Denver Intl

26h 25m1 stop Atlanta Hartsfield-Jackson

$244Frontier

Tue, Oct 13 - Mon, Oct 19

6:10 am - 11:43 pmDEN Denver Intl-IAD Washington, D.C. Dulles Intl

15h 33m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson

10:47 pm - 6:36 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

9h 49m1 stop Atlanta Hartsfield-Jackson

$244Frontier

Tue, Nov 17 - Sat, Nov 21

6:30 am - 11:43 pmDEN Denver Intl-IAD Washington, D.C. Dulles Intl

15h 13m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson

7:40 am - 9:30 pmIAD Washington, D.C. Dulles Intl-DEN Denver Intl

15h 50m2 stops Atlanta Hartsfield-Jackson Lambert-St Louis

$245Frontier

Thu, Oct 29 - Mon, Nov 2

7:34 pm - 3:29 pmDEN Denver Intl-IAD Washington, D.C. Dulles Intl

17h 55m1 stop Valparaiso Destin-Ft Walton Beach

9:06 pm - 11:57 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

16h 51m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth

$254Multiple Airlines

Thu, Oct 15 - Wed, Oct 21

7:34 pm - 3:29 pmDEN Denver Intl-IAD Washington, D.C. Dulles Intl

17h 55m1 stop Valparaiso Destin-Ft Walton Beach

9:06 pm - 12:12 pmIAD Washington, D.C. Dulles Intl-DEN Denver Intl

17h 06m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl

$255Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

7:34 pm - 2:45 pmDEN Denver Intl-IAD Washington, D.C. Dulles Intl

17h 11m1 stop Valparaiso Destin-Ft Walton Beach

9:06 pm - 9:30 pmIAD Washington, D.C. Dulles Intl-DEN Denver Intl

26h 24m2 stops Atlanta Hartsfield-Jackson Lambert-St Louis

$260Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

2:10 pm - 7:30 pmDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 20mnonstop

10:19 pm - 12:10 pmIAD Washington, D.C. Dulles Intl-DEN Denver Intl

15h 51m1 stop Boston Logan Intl

$333United Airlines

Mon, Nov 9 - Mon, Nov 9

11:59 pm - 5:19 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 20mnonstop

8:20 am - 10:29 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

4h 09mnonstop

$354United Airlines

Sat, Nov 7 - Sun, Nov 8

6:00 am - 1:54 pmCOS Colorado Springs-IAD Washington, D.C. Dulles Intl

5h 54m1 stop Atlanta Hartsfield-Jackson

8:05 am - 12:26 pmIAD Washington, D.C. Dulles Intl-COS Colorado Springs

6h 21m1 stop Atlanta Hartsfield-Jackson

$369Delta

Tue, Nov 10 - Thu, Nov 12

6:00 am - 1:54 pmCOS Colorado Springs-IAD Washington, D.C. Dulles Intl

5h 54m1 stop Atlanta Hartsfield-Jackson

6:00 am - 12:26 pmIAD Washington, D.C. Dulles Intl-COS Colorado Springs

8h 26m1 stop Atlanta Hartsfield-Jackson

$369Delta

Mon, Nov 9 - Thu, Nov 12

Cheap last minute flights

Enter your travel dates to find the best prices.

7:12 pm - 10:27 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

13h 15m1 stop Orlando

9:06 pm - 8:06 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

13h 00m1 stop Atlanta Hartsfield-Jackson

$320Frontier

Wed, Sep 30 - Mon, Oct 12

6:38 pm - 6:20 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

9h 42m1 stop Las Vegas Harry Reid Intl

9:06 pm - 6:36 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

11h 30m1 stop Atlanta Hartsfield-Jackson

$326Frontier

Mon, Sep 28 - Thu, Nov 19

6:56 pm - 12:53 pmDEN Denver Intl-IAD Washington, D.C. Dulles Intl

15h 57m1 stop Tampa

11:12 am - 7:52 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

22h 40m1 stop Orlando

$326Frontier

Thu, Oct 1 - Tue, Oct 6

6:38 pm - 6:20 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

9h 42m1 stop Las Vegas Harry Reid Intl

6:36 pm - 7:52 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

15h 16m2 stops Blountville Tri Cities TN/VA Orlando

$346Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

6:38 pm - 6:20 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

9h 42m1 stop Las Vegas Harry Reid Intl

6:36 pm - 7:52 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

15h 16m2 stops Blountville Tri Cities TN/VA Orlando

$354Multiple Airlines

Mon, Sep 28 - Mon, Oct 5

6:38 pm - 6:20 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

9h 42m1 stop Las Vegas Harry Reid Intl

6:36 pm - 7:52 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

15h 16m2 stops Blountville Tri Cities TN/VA Orlando

$354Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

10:25 am - 7:26 pmDRO Durango La Plata County-IAD Washington, D.C. Dulles Intl

7h 01m1 stop Denver Intl

6:35 am - 10:51 amIAD Washington, D.C. Dulles Intl-DRO Durango La Plata County

6h 16m1 stop Denver Intl

$458United Airlines

Wed, Sep 30 - Mon, Oct 5

8:00 am - 1:30 pmDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 30mnonstop

2:43 pm - 4:33 pmIAD Washington, D.C. Dulles Intl-DEN Denver Intl

3h 50mnonstop

$474United Airlines

Wed, Sep 30 - Wed, Oct 7

6:00 am - 2:11 pmCOS Colorado Springs-IAD Washington, D.C. Dulles Intl

6h 11m1 stop Atlanta Hartsfield-Jackson

3:03 pm - 8:16 pmIAD Washington, D.C. Dulles Intl-COS Colorado Springs

7h 13m1 stop Atlanta Hartsfield-Jackson

$599Delta

Tue, Sep 29 - Tue, Oct 6

6:00 am - 2:11 pmCOS Colorado Springs-IAD Washington, D.C. Dulles Intl

6h 11m1 stop Atlanta Hartsfield-Jackson

6:05 am - 12:30 pmIAD Washington, D.C. Dulles Intl-COS Colorado Springs

8h 25m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

$604Delta

Tue, Sep 29 - Tue, Oct 6

Cheap direct flights

Enter your travel dates to find the best prices.

11:52 pm - 5:17 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 25mnonstop

8:15 am - 10:09 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

3h 54mnonstop

$354United Airlines

Fri, Oct 23 - Sat, Oct 24

11:59 pm - 5:19 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 20mnonstop

8:20 am - 10:29 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

4h 09mnonstop

$354United Airlines

Sat, Nov 7 - Sun, Nov 8

8:00 am - 1:30 pmDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 30mnonstop

4:10 pm - 6:17 pmIAD Washington, D.C. Dulles Intl-DEN Denver Intl

4h 07mnonstop

$359United Airlines

Tue, Oct 20 - Wed, Oct 28

6:00 am - 11:25 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 25mnonstop

12:40 pm - 2:48 pmIAD Washington, D.C. Dulles Intl-DEN Denver Intl

4h 08mnonstop

$359United Airlines

Thu, Oct 22 - Tue, Oct 27

6:00 am - 11:25 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 25mnonstop

10:34 pm - 12:30 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

3h 56mnonstop

$359United Airlines

Thu, Oct 15 - Mon, Oct 19

7:33 pm - 12:59 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 26mnonstop

10:12 pm - 12:15 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

4h 03mnonstop

$359United Airlines

Thu, Dec 24 - Wed, Dec 30

7:33 pm - 12:59 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 26mnonstop

5:15 pm - 7:01 pmIAD Washington, D.C. Dulles Intl-DEN Denver Intl

3h 46mnonstop

$359United Airlines

Tue, Dec 22 - Tue, Jan 5

3:55 pm - 9:10 pmDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 15mnonstop

10:22 am - 12:18 pmIAD Washington, D.C. Dulles Intl-DEN Denver Intl

3h 56mnonstop

$359United Airlines

Thu, Jan 21 - Sun, Jan 24

11:52 pm - 5:17 amDEN Denver Intl-IAD Washington, D.C. Dulles Intl

3h 25mnonstop

6:10 am - 8:19 amIAD Washington, D.C. Dulles Intl-DEN Denver Intl

4h 09mnonstop

$359United Airlines

Wed, Oct 21 - Sun, Oct 25

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Frontier flights from Colorado to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Colorado to Washington, D.C. Dulles Intl Airport flight tickets

Frontier

Oct 13

DEN9:12 pmDenver Intl

18h 01m

2 stops

IAD5:13 pmWashington, D.C. Dulles Intl

Oct 19

IAD9:06 pmWashington, D.C. Dulles Intl

26h 25m

1 stop

DEN9:31 pmDenver Intl

$244

Frontier

Oct 29

DEN6:30 amDenver Intl

15h 13m

2 stops

IAD11:43 pmWashington, D.C. Dulles Intl

Nov 2

IAD7:40 amWashington, D.C. Dulles Intl

15h 50m

2 stops

DEN9:30 pmDenver Intl

$245

Frontier

Oct 13

DEN6:42 pmDenver Intl

9h 38m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

Oct 14

IAD12:30 pmWashington, D.C. Dulles Intl

11h 19m

1 stop

DEN9:49 pmDenver Intl

$246

American Airlines flights from Colorado to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Colorado to Washington, D.C. Dulles Intl Airport flight tickets

American Airlines

Nov 18

GJT1:17 pmGrand Junction Regnl

8h 13m

1 stop

IAD11:30 pmWashington, D.C. Dulles Intl

Dec 2

IAD7:14 amWashington, D.C. Dulles Intl

7h 33m

1 stop

GJT12:47 pmGrand Junction Regnl

$379

American Airlines

Oct 22

MTJ1:14 pmMontrose County

8h 09m

1 stop

IAD11:23 pmWashington, D.C. Dulles Intl

Oct 25

IAD6:42 amWashington, D.C. Dulles Intl

7h 41m

1 stop

MTJ12:23 pmMontrose County

$393

American Airlines

Nov 23

COS12:56 pmColorado Springs

8h 13m

1 stop

IAD11:09 pmWashington, D.C. Dulles Intl

Dec 4

IAD7:14 amWashington, D.C. Dulles Intl

6h 56m

1 stop

COS12:10 pmColorado Springs

$399

momondo Fare Finder

Use the filters below to find and compare flights from Colorado to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverWashington, D.C.

DEN Denver Intl - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Tue 10/13

9:12 pm-5:13 pm

2 stops18h 01m

Washington, D.C. Dulles Intl

Mon 10/19

9:06 pm-9:31 pm

1 stop26h 25m

$244

DenverWashington, D.C.

DEN Denver Intl - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Tue 11/17

6:10 am-11:43 pm

2 stops15h 33m

Washington, D.C. Dulles Intl

Sat 11/21

10:47 pm-6:36 am

1 stop9h 49m

$244

DenverWashington, D.C.

DEN Denver Intl - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Thu 10/29

6:30 am-11:43 pm

2 stops15h 13m

Washington, D.C. Dulles Intl

Mon 11/2

7:40 am-9:30 pm

2 stops15h 50m

$245

DenverWashington, D.C.

DEN Denver Intl - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Thu 10/15

7:34 pm-3:29 pm

1 stop17h 55m

Washington, D.C. Dulles Intl

Wed 10/21

9:06 pm-11:57 am

2 stops16h 51m

$254

DenverWashington, D.C.

DEN Denver Intl - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Thu 10/15

7:34 pm-3:29 pm

1 stop17h 55m

Washington, D.C. Dulles Intl

Mon 10/19

9:06 pm-12:12 pm

2 stops17h 06m

$255

DenverWashington, D.C.

DEN Denver Intl - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Thu 10/29

7:34 pm-2:45 pm

1 stop17h 11m

Washington, D.C. Dulles Intl

Sun 11/1

9:06 pm-9:30 pm

2 stops26h 24m

$260

DenverWashington, D.C.

DEN Denver Intl - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Mon 11/9

2:10 pm-7:30 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Mon 11/9

10:19 pm-12:10 pm

1 stop15h 51m

$333

Quickest round-trip

DenverWashington, D.C.

DEN Denver Intl - IAD Washington, D.C. Dulles Intl

DENIAD

Denver Intl

Sat 11/7

11:59 pm-5:19 am

Nonstop3h 20m

Washington, D.C. Dulles Intl

Sun 11/8

8:20 am-10:29 am

Nonstop4h 09m

$354

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Tue 11/10

6:00 am-1:54 pm

1 stop5h 54m

Washington, D.C. Dulles Intl

Thu 11/12

8:05 am-12:26 pm

1 stop6h 21m

$369

Colorado SpringsWashington, D.C.

COS Colorado Springs - IAD Washington, D.C. Dulles Intl

COSIAD

Colorado Springs

Mon 11/9

6:00 am-1:54 pm

1 stop5h 54m

Washington, D.C. Dulles Intl

Thu 11/12

6:00 am-12:26 pm

1 stop8h 26m

$369

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, January is the cheapest month to fly from Colorado to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $348. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $376.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $523. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Colorado to Washington, D.C. Dulles Intl Airport for around $738.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Colorado in the morning is the least expensive time of day to depart. momondo users have found prices as low as $566 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $798 on average. Flights to Washington, D.C. Dulles Intl Airport from Colorado in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Colorado to Washington, D.C. Dulles Intl flight route?

Fly from Denver Intl to Washington, D.C. Dulles Intl for the best Colorado - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight from Colorado to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $437 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Colorado for as low as $357 on momondo.

What cabin class options are available on Colorado to Washington, D.C. Dulles Intl Airport flights?

There are 4 cabin classes available to choose from on Colorado to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Colorado to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Colorado to Washington, D.C. Dulles Intl Airport.

Cheap Colorado to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Washington, D.C. Dulles Intl Airport

Best Price Found	$125
Fastest flight time	3h 15m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Colorado in the past 72 hours is $125. The best round-trip flight deal from Colorado to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $244.

The fastest flight from Colorado to Washington, D.C. Dulles Intl Airport takes 3h 15m

Direct flights go from Colorado to Washington, D.C. Dulles Intl Airport every day.

Search flight deals

Frequently asked questions about flying from Colorado to Washington, D.C. Dulles Intl Airport

When did momondo last update prices for flights from Colorado to Washington, D.C. Dulles Intl Airport?
Prices for flights from Colorado to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Colorado to Washington, D.C. Dulles Intl Airport?
There are 4 operators available for flights from Colorado to Washington, D.C. Dulles Intl Airport as of September 2026.
How old do you have to be to fly from Colorado to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Colorado to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Colorado to Washington, D.C. Dulles Intl Airport is Airbus A321neo, representing 19.74% of all bookings. The subsequent popular models are Boeing 737-900 at 17.34%, Boeing 757-300 at 15.06%, and Airbus A320neo at 13.09%.

Best airlines flying from Colorado to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Colorado to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $137	Free Cancellation	Rating 5.6 2,576 reviews	Search Frontier flights
Southwest	PriceFrom $197	Free Cancellation	Rating 8.0 4,199 reviews	Search Southwest flights
United Airlines	PriceFrom $233	Free Cancellation	Rating 7.4 10,239 reviews	Search United Airlines flights
Delta	PriceFrom $292	Free Cancellation	Rating 7.8 8,605 reviews	Search Delta flights

Alexandria

National Harbor

Arlington

Gettysburg

Winchester

Fredericksburg

Waldorf

Laurel

Woodbridge

Linthicum Heights

Gaithersburg

Rockville

Silver Spring

Towson

Sterling

Fairfax

Springfield

Glen Burnie

Edgewood

Martinsburg

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Washington, D.C.?

Finding the right flight to Washington, D.C. from Colorado is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Colorado to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Colorado with this policy.

How can momondo help me find flights from Colorado to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Colorado to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Colorado and alert you when they change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 10/25

Sun 11/1

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.

Popular cities

Other flights from Colorado

Other flights to Washington, D.C.

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United States

Flights to Newark Airportfrom $57

Flights to New York John F Kennedy Intl Airportfrom $89

Flights to New York LaGuardia Airportfrom $92

Flights to Dallas/Fort Worth Airportfrom $57

Flights to Chicago O'Hare Intl Airportfrom $60

Flights to Orlando Airportfrom $38

Flights to Washington, D.C. Reagan-National Airportfrom $72

Flights to Chicago Midway Airport

Flights to Dallas Love Field Airport

Flights to Chicago Greater Rockford Airport

Cheap flights from Colorado to Washington, D.C. from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Washington, D.C. departing on 12/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Colorado to Washington, D.C.

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Frontier flights from Colorado to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Colorado to Washington, D.C. Dulles Intl Airport flight tickets

American Airlines flights from Colorado to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Colorado to Washington, D.C. Dulles Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Colorado to Washington, D.C. Dulles Intl Airport that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Colorado to Washington, D.C. Dulles Intl Airport

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest Colorado to Washington, D.C. Dulles Intl flight route?

How far in advance should I book a flight from Colorado to Washington, D.C. Dulles Intl Airport?

What cabin class options are available on Colorado to Washington, D.C. Dulles Intl Airport flights?

Can stopping save me money on Colorado to Washington, D.C. Dulles Intl Airport flights?

What is the cheapest airline that flies from Colorado to Washington, D.C. Dulles Intl?

What airlines fly to Washington, D.C. Dulles Intl Airport?

How many flights depart from Colorado to Washington, D.C. Dulles Intl Airport on average per day?

How many flights depart from Colorado to Washington, D.C. Dulles Intl Airport on average per week?

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Cheap Colorado to Washington, D.C. Dulles Intl Airport flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Colorado to Washington, D.C. Dulles Intl Airport

Best airlines flying from Colorado to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Colorado to Washington, D.C. Dulles Intl Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Colorado flight routes

According to popular flight searches on momondo this year

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year