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

36 flights are operational daily from Colorado to Washington, D.C. as of March 2026. The most popular departure time for this route is 11:00AM, with 54% of flights per day taking off at noon.

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

Flight times from Colorado to Washington, D.C. 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 14m on average. Another popular route from Colorado to Washington, D.C. is flying from Colorado Springs to Washington, D.C. Dulles Intl Airport, which will take roughly 5h. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Washington, D.C.?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. from Colorado according to our data. Frontier is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

As of March 2026, there are 258 flights per week flying from Colorado to Washington, D.C.. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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

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

When did momondo last update prices for flights from Colorado to Washington, D.C.?

Prices for flights from Colorado to Washington, D.C. are refreshed on a daily basis.

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

As of March 2026, there are 5 operators available to choose from for flights from Colorado to Washington, D.C..

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

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..

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

The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$76 Cheap Flights from Colorado to Washington, D.C. in 2026

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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.

7:35 am - 1:00 pm

DEN

DCA

3h 25mnonstop

1:59 pm - 4:04 pm

DCA

DEN

4h 05mnonstop

$148Frontier

Sat, Apr 18 - Mon, Apr 20

7:31 am - 12:59 pm

DEN

DCA

3h 28mnonstop

1:59 pm - 3:55 pm

DCA

DEN

3h 56mnonstop

$149Frontier

Mon, May 11 - Wed, May 13

4:36 pm - 9:59 pm

DEN

DCA

3h 23mnonstop

8:00 am - 10:12 am

DCA

DEN

4h 12mnonstop

$156Frontier

Tue, Apr 28 - Thu, Apr 30

8:00 am - 10:20 pm

DEN

BWI

12h 20m

2 stops

12:17 pm - 10:29 pm

BWI

DEN

12h 12m

1 stop

$236Multiple Airlines

Sat, Apr 25 - Wed, Apr 29

5:00 am - 4:46 pm

GJT

BWI

9h 46m

2 stops

7:26 am - 12:31 pm

BWI

GJT

7h 05m

1 stop

$334American Airlines

Tue, Aug 25 - Wed, Sep 9

11:42 am - 7:23 pm

COS

IAD

5h 41m

1 stop

6:15 am - 10:57 am

IAD

COS

6h 42m

1 stop

$335United Airlines

Wed, Apr 15 - Wed, Apr 22

2:30 pm - 11:25 pm

COS

DCA

6h 55m

1 stop

1:10 pm - 6:05 pm

DCA

COS

6h 55m

1 stop

$335Southwest

Tue, Apr 14 - Wed, Apr 15

4:05 pm - 11:50 pm

COS

BWI

5h 45m

1 stop

5:05 pm - 9:20 pm

BWI

COS

6h 15m

1 stop

$335Southwest

Wed, Apr 15 - Wed, Apr 22

12:41 pm - 11:09 pm

DRO

BWI

8h 28m

1 stop

7:00 am - 12:11 pm

BWI

DRO

7h 11m

1 stop

$338American Airlines

Wed, Apr 22 - Tue, Apr 28

7:00 am - 3:12 pm

GJT

BWI

6h 12m

1 stop

4:23 pm - 8:36 pm

BWI

GJT

6h 13m

1 stop

$349United Airlines

Tue, Sep 1 - Sat, Sep 5

United Airlines flights from Colorado to Washington, D.C.

Our best United Airlines deals on Colorado to Washington, D.C. flight tickets

United Airlines

Apr 15

COS11:42 amColorado Springs

5h 41m

1 stop

IAD7:23 pmWashington, D.C. Dulles Intl

Apr 22

IAD6:15 amWashington, D.C. Dulles Intl

6h 42m

1 stop

COS10:57 amColorado Springs

$335

United Airlines

Sep 1

GJT7:00 amGrand Junction Regnl

6h 12m

1 stop

BWI3:12 pmBaltimore/Washington

Sep 5

BWI4:23 pmBaltimore/Washington

6h 13m

1 stop

GJT8:36 pmGrand Junction Regnl

$349

United Airlines

Aug 25

GJT7:00 amGrand Junction Regnl

6h 12m

1 stop

BWI3:12 pmBaltimore/Washington

Sep 9

BWI12:30 pmBaltimore/Washington

10h 06m

2 stops

GJT8:36 pmGrand Junction Regnl

$354

Southwest flights from Colorado to Washington, D.C.

Our best Southwest deals on Colorado to Washington, D.C. flight tickets

Southwest

Apr 21

DEN6:10 pmDenver Intl

3h 30m

IAD11:40 pmWashington, D.C. Dulles Intl

Apr 28

IAD6:20 amWashington, D.C. Dulles Intl

3h 50m

DEN8:10 amDenver Intl

$217

Southwest

Apr 21

DEN6:45 amDenver Intl

7h 05m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

Apr 28

IAD6:20 amWashington, D.C. Dulles Intl

3h 50m

DEN8:10 amDenver Intl

$226

Southwest

Apr 21

DEN6:45 amDenver Intl

7h 05m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

Apr 28

IAD5:30 pmWashington, D.C. Dulles Intl

8h 35m

1 stop

DEN12:05 amDenver Intl

$236

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 4/18

7:35 am-1:00 pm

Nonstop3h 25m

Washington, D.C. Reagan-National

Mon 4/20

1:59 pm-4:04 pm

Nonstop4h 05m

$148

Quickest round-trip

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Mon 5/11

7:31 am-12:59 pm

Nonstop3h 28m

Washington, D.C. Reagan-National

Wed 5/13

1:59 pm-3:55 pm

Nonstop3h 56m

$149

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 4/28

4:36 pm-9:59 pm

Nonstop3h 23m

Washington, D.C. Reagan-National

Thu 4/30

8:00 am-10:12 am

Nonstop4h 12m

$156

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Sat 4/25

8:00 am-10:20 pm

2 stops12h 20m

Baltimore/Washington

Wed 4/29

12:17 pm-10:29 pm

1 stop12h 12m

$236

Grand JunctionBaltimore

GJT - BWI

GJTBWI

Grand Junction Regnl

Tue 8/25

5:00 am-4:46 pm

2 stops9h 46m

Baltimore/Washington

Wed 9/9

7:26 am-12:31 pm

1 stop7h 05m

$334

Colorado SpringsWashington, D.C.

COS - IAD

COSIAD

Colorado Springs

Wed 4/15

11:42 am-7:23 pm

1 stop5h 41m

Washington, D.C. Dulles Intl

Wed 4/22

6:15 am-10:57 am

1 stop6h 42m

$335

Colorado SpringsWashington, D.C.

COS - DCA

COSDCA

Colorado Springs

Tue 4/14

2:30 pm-11:25 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Wed 4/15

1:10 pm-6:05 pm

1 stop6h 55m

$335

Colorado SpringsBaltimore

COS - BWI

COSBWI

Colorado Springs

Wed 4/15

4:05 pm-11:50 pm

1 stop5h 45m

Baltimore/Washington

Wed 4/22

5:05 pm-9:20 pm

1 stop6h 15m

$335

DurangoBaltimore

DRO - BWI

DROBWI

Durango La Plata County

Wed 4/22

12:41 pm-11:09 pm

1 stop8h 28m

Baltimore/Washington

Tue 4/28

7:00 am-12:11 pm

1 stop7h 11m

$338

Grand JunctionBaltimore

GJT - BWI

GJTBWI

Grand Junction Regnl

Tue 9/1

7:00 am-3:12 pm

1 stop6h 12m

Baltimore/Washington

Sat 9/5

4:23 pm-8:36 pm

1 stop6h 13m

$349

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.

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.?

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Colorado, with most prices found around $204. If you’re not able to fly to Washington, D.C. in January, then February is your next best option. Flight prices from Colorado to Washington, D.C. during February average around $210.

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

On average, the least expensive day to fly to Washington, D.C. from Colorado is on a Friday. momondo users have found tickets for Friday departures for as low as $323. However, this price may fluctuate depending on the airline, the season, and holidays. 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. for around $425.

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

In the morning is the cheapest time of day to fly from Colorado to Washington, D.C. when you can find flight prices for as low as $330. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $618. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $343 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Colorado for as low as $258 on momondo.

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

There are 4 cabin classes available to choose from on Colorado to Washington, D.C. 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. flights?

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

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

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

Best Price Found	$138
Fastest flight time	3h 14m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Colorado in the past 72 hours is $138. The best round-trip flight deal from Colorado to Washington, D.C. found on momondo in the last 72 hours is $249.

The fastest flight from Colorado to Washington, D.C. takes 3h 14m

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

There are 2 airports in Washington, D.C.. From Colorado there are direct flights to Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).

Search flight deals

When did momondo last update prices for flights from Colorado to Washington, D.C.?
Prices for flights from Colorado to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from Colorado to Washington, D.C.?
As of March 2026, there are 5 operators available to choose from for flights from Colorado to Washington, D.C..
How old do you have to be to fly from Colorado to Washington, D.C.?
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..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Colorado to Washington, D.C.?
momondo data reveals that the most frequently booked plane model on the route from Colorado to Washington, D.C. is Boeing 737 MAX 8, representing 16.71% of all bookings. The subsequent popular models are Airbus A321neo at 14.65%, Airbus A320neo at 13.00%, and Boeing 737-900 at 12.54%.

Best airlines flying from Colorado to Washington, D.C.

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $100	Free Cancellation	Rating 5.7 3,019 reviews	Search Frontier flights
Delta	PriceFrom $118	Free Cancellation	Rating 7.9 8,319 reviews	Search Delta flights
United Airlines	PriceFrom $168	Free Cancellation	Rating 7.4 9,462 reviews	Search United Airlines flights
Southwest	PriceFrom $177	Free Cancellation	Rating 8.0 4,324 reviews	Search Southwest flights
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.1 11,489 reviews	Search American Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Linthicum Heights

Springfield

Bethesda

Fairfax

College Park

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Colorado to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Colorado to Washington, D.C. flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Colorado and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Colorado to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly into one of these airports located in Washington, D.C.

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Cheap flights from Colorado to Washington, D.C. from $76

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 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

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

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

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

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

How far in advance should I book a flight to Washington, D.C.?

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

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

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

What airlines fly to Washington, D.C.?

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

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

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

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

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

Best Price Found

Fastest flight time

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Airports in Washington, D.C.

Best airlines flying from Colorado to Washington, D.C.

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

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

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Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

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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.

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