Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Colorado to Washington, D.C. from $47

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 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:33 am - 1:00 pm
DEN
-
DCA
3h 27mnonstop
Frontier Logo
6:00 pm - 8:16 pm
DCA
-
DEN
4h 16mnonstop
$110Frontier
Mon, Mar 2 - Mon, Mar 2
Frontier Logo
7:48 am - 1:15 pm
DEN
-
DCA
3h 27mnonstop
Frontier Logo
8:00 am - 10:22 am
DCA
-
DEN
4h 22mnonstop
$111Frontier
Sun, Feb 22 - Tue, Feb 24
Multiple Airlines Logo
12:19 pm - 9:06 am
DEN
-
BWI
18h 47m
2 stops
Multiple Airlines Logo
6:00 am - 9:35 pm
BWI
-
DEN
17h 35m
1 stop
$136Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
8:50 am - 12:31 am
DEN
-
IAD
13h 41m
1 stop
Multiple Airlines Logo
2:58 pm - 8:20 am
IAD
-
DEN
19h 22m
2 stops
$141Multiple Airlines
Sat, Mar 7 - Mon, Mar 9
American Airlines Logo
1:23 pm - 11:00 pm
HDN
-
DCA
7h 37m
1 stop
American Airlines Logo
6:30 am - 12:33 pm
DCA
-
HDN
8h 03m
1 stop
$235American Airlines
Wed, Feb 18 - Sun, Feb 22
American Airlines Logo
1:23 pm - 10:53 pm
HDN
-
IAD
7h 30m
1 stop
American Airlines Logo
6:00 am - 12:33 pm
IAD
-
HDN
8h 33m
1 stop
$235American Airlines
Wed, Feb 18 - Sun, Feb 22
United Airlines Logo
1:43 pm - 11:19 pm
GJT
-
IAD
7h 36m
1 stop
United Airlines Logo
3:58 pm - 8:30 pm
IAD
-
GJT
6h 32m
1 stop
$249United Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
1:43 pm - 11:34 pm
GJT
-
IAD
7h 51m
1 stop
United Airlines Logo
2:37 pm - 8:44 pm
IAD
-
GJT
8h 07m
1 stop
$288United Airlines
Wed, Apr 29 - Wed, May 6
Southwest Logo
6:50 pm - 5:45 am
COS
-
BWI
8h 55m
1 stop
Southwest Logo
5:50 pm - 11:55 pm
BWI
-
COS
8h 05m
1 stop
$288Southwest
Wed, Mar 18 - Mon, Mar 23
Southwest Logo
2:30 pm - 11:30 pm
HDN
-
BWI
7h 00m
1 stop
Southwest Logo
6:30 am - 10:40 am
BWI
-
HDN
6h 10m
1 stop
$339Southwest
Sun, Feb 15 - Fri, Feb 20

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

Our best American Airlines deals on Colorado to Washington, D.C. flight tickets
American Airlines
Feb 28
DEN8:00 amDenver Intl
10h 30m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
Mar 4
IAD3:11 pmWashington, D.C. Dulles Intl
8h 31m
1 stop
DEN9:42 pmDenver Intl
$202
American Airlines
Mar 7
DEN8:07 amDenver Intl
6h 09m
1 stop
IAD4:16 pmWashington, D.C. Dulles Intl
Mar 7
IAD5:37 pmWashington, D.C. Dulles Intl
7h 03m
1 stop
DEN10:40 pmDenver Intl
$211
American Airlines
Feb 25
DEN11:59 pmDenver Intl
6h 49m
1 stop
IAD8:48 amWashington, D.C. Dulles Intl
Mar 4
IAD3:11 pmWashington, D.C. Dulles Intl
8h 31m
1 stop
DEN9:42 pmDenver Intl
$218

Frontier flights from Colorado to Washington, D.C.

Our best Frontier deals on Colorado to Washington, D.C. flight tickets
Frontier
Mar 2
DEN7:33 amDenver Intl
3h 27m
DCA1:00 pmWashington, D.C. Reagan-National
Mar 2
DCA6:00 pmWashington, D.C. Reagan-National
4h 16m
DEN8:16 pmDenver Intl
$110
Frontier
Feb 22
DEN7:48 amDenver Intl
3h 27m
DCA1:15 pmWashington, D.C. Reagan-National
Feb 24
DCA8:00 amWashington, D.C. Reagan-National
4h 22m
DEN10:22 amDenver Intl
$111
Frontier
Mar 10
DEN7:35 amDenver Intl
3h 27m
DCA1:02 pmWashington, D.C. Reagan-National
Mar 20
DCA8:00 amWashington, D.C. Reagan-National
4h 22m
DEN10:22 amDenver Intl
$112

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Colorado to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Mon 3/2

7:33 am-1:00 pm

Nonstop3h 27m

Washington, D.C. Reagan-National

Mon 3/2

6:00 pm-8:16 pm

Nonstop4h 16m

$110

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sun 2/22

7:48 am-1:15 pm

Nonstop3h 27m

Washington, D.C. Reagan-National

Tue 2/24

8:00 am-10:22 am

Nonstop4h 22m

$111

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Wed 2/25

12:19 pm-9:06 am

2 stops18h 47m

Baltimore/Washington

Wed 3/4

6:00 am-9:35 pm

1 stop17h 35m

$136

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 3/7

8:50 am-12:31 am

1 stop13h 41m

Washington, D.C. Dulles Intl

Mon 3/9

2:58 pm-8:20 am

2 stops19h 22m

$141

HaydenWashington, D.C.

HDN - DCA

HDNDCA

Hayden Yampa Valley

Wed 2/18

1:23 pm-11:00 pm

1 stop7h 37m

Washington, D.C. Reagan-National

Sun 2/22

6:30 am-12:33 pm

1 stop8h 03m

$235

HaydenWashington, D.C.

HDN - IAD

HDNIAD

Hayden Yampa Valley

Wed 2/18

1:23 pm-10:53 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Sun 2/22

6:00 am-12:33 pm

1 stop8h 33m

$235

Grand JunctionWashington, D.C.

GJT - IAD

GJTIAD

Grand Junction Regnl

Thu 2/19

1:43 pm-11:19 pm

1 stop7h 36m

Washington, D.C. Dulles Intl

Mon 2/23

3:58 pm-8:30 pm

1 stop6h 32m

$249

Grand JunctionWashington, D.C.

GJT - IAD

GJTIAD

Grand Junction Regnl

Wed 4/29

1:43 pm-11:34 pm

1 stop7h 51m

Washington, D.C. Dulles Intl

Wed 5/6

2:37 pm-8:44 pm

1 stop8h 07m

$288

Colorado SpringsBaltimore

COS - BWI

COSBWI

Colorado Springs

Wed 3/18

6:50 pm-5:45 am

1 stop8h 55m

Baltimore/Washington

Mon 3/23

5:50 pm-11:55 pm

1 stop8h 05m

$288

HaydenBaltimore

HDN - BWI

HDNBWI

Hayden Yampa Valley

Sun 2/15

2:30 pm-11:30 pm

1 stop7h 00m

Baltimore/Washington

Fri 2/20

6:30 am-10:40 am

1 stop6h 10m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

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

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

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Colorado, with most prices found around $208. If you’re not able to fly to Washington, D.C. in February, then October is your next best option. Flight prices from Colorado to Washington, D.C. during October average around $227.

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 $322. 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 $396.

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 $321. 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 $587. 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 $336 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 $279 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

$122

Fastest flight time

3h 10m

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 $122. The best round-trip flight deal from Colorado to Washington, D.C. found on momondo in the last 72 hours is $151.
The fastest flight from Colorado to Washington, D.C. takes 3h 10m
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.?

  • 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.?

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
FrontierPriceFrom $97Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,128 reviews
Search Delta flights
United AirlinesPriceFrom $168Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Reston

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.

An easier way to manage your Washington, D.C. 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
Sat 2/28
Sat 3/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport