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Cheap flights from Denver to District of Columbia from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to District of Columbia departing on 3/22. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:38 pm - 9:59 pm
DEN
-
DCA
3h 21mnonstop
Frontier Logo
8:00 am - 10:22 am
DCA
-
DEN
4h 22mnonstop
$105Frontier
Fri, Mar 6 - Sun, Mar 8
Frontier Logo
4:38 pm - 9:59 pm
DEN
-
DCA
3h 21mnonstop
Frontier Logo
6:00 pm - 8:16 pm
DCA
-
DEN
4h 16mnonstop
$106Frontier
Tue, Feb 24 - Thu, Feb 26
Frontier Logo
11:37 am - 4:59 pm
DEN
-
DCA
3h 22mnonstop
Frontier Logo
8:00 am - 10:22 am
DCA
-
DEN
4h 22mnonstop
$107Frontier
Fri, Mar 6 - Mon, Mar 9
Frontier Logo
7:48 am - 1:15 pm
DEN
-
DCA
3h 27mnonstop
Frontier Logo
2:00 pm - 4:22 pm
DCA
-
DEN
4h 22mnonstop
$108Frontier
Tue, Mar 3 - Mon, Mar 9
Frontier Logo
7:35 am - 1:02 pm
DEN
-
DCA
3h 27mnonstop
Frontier Logo
2:00 pm - 4:22 pm
DCA
-
DEN
4h 22mnonstop
$109Frontier
Tue, Mar 10 - Fri, Mar 13
Frontier Logo
7:35 am - 1:02 pm
DEN
-
DCA
3h 27mnonstop
Frontier Logo
6:00 pm - 8:16 pm
DCA
-
DEN
4h 16mnonstop
$110Frontier
Mon, Mar 9 - Mon, Mar 16
Frontier Logo
4:38 pm - 9:59 pm
DEN
-
DCA
3h 21mnonstop
Frontier Logo
8:00 am - 10:22 am
DCA
-
DEN
4h 22mnonstop
$111Frontier
Wed, Mar 11 - Sat, Mar 21
Frontier Logo
4:38 pm - 9:59 pm
DEN
-
DCA
3h 21mnonstop
Frontier Logo
2:00 pm - 4:22 pm
DCA
-
DEN
4h 22mnonstop
$112Frontier
Fri, Feb 20 - Sat, Feb 28
Frontier Logo
7:48 am - 1:15 pm
DEN
-
DCA
3h 27mnonstop
Frontier Logo
6:00 pm - 8:16 pm
DCA
-
DEN
4h 16mnonstop
$113Frontier
Tue, Mar 3 - Wed, Mar 11
Multiple Airlines Logo
2:19 pm - 10:33 am
DEN
-
IAD
18h 14m
2 stops
Multiple Airlines Logo
6:20 am - 12:09 pm
IAD
-
DEN
7h 49m
1 stop
$160Multiple Airlines
Wed, Mar 4 - Wed, Mar 11

United Airlines flights from Denver to District of Columbia

Our best United Airlines deals on Denver to District of Columbia flight tickets
United Airlines
Mar 4
DEN11:59 pmDenver Intl
3h 19m
IAD5:18 amWashington, D.C. Dulles Intl
Mar 11
IAD10:30 pmWashington, D.C. Dulles Intl
4h 00m
DEN12:30 amDenver Intl
$177
United Airlines
Mar 4
DEN11:59 pmDenver Intl
3h 19m
IAD5:18 amWashington, D.C. Dulles Intl
Mar 7
IAD7:59 pmWashington, D.C. Dulles Intl
4h 07m
DEN10:06 pmDenver Intl
$197
United Airlines
Feb 19
DEN10:20 amDenver Intl
3h 24m
IAD3:44 pmWashington, D.C. Dulles Intl
Feb 23
IAD5:10 pmWashington, D.C. Dulles Intl
4h 21m
DEN7:31 pmDenver Intl
$337

American Airlines flights from Denver to District of Columbia

Our best American Airlines deals on Denver to District of Columbia flight tickets
American Airlines
Mar 4
DEN6:20 amDenver Intl
6h 19m
1 stop
IAD2:39 pmWashington, D.C. Dulles Intl
Mar 11
IAD9:19 amWashington, D.C. Dulles Intl
9h 58m
2 stops
DEN5:17 pmDenver Intl
$202
American Airlines
Mar 4
DEN8:00 amDenver Intl
10h 30m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
Mar 11
IAD9:19 amWashington, D.C. Dulles Intl
9h 58m
2 stops
DEN5:17 pmDenver Intl
$208
American Airlines
Mar 3
DEN8:00 amDenver Intl
10h 30m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
Mar 10
IAD6:00 amWashington, D.C. Dulles Intl
9h 57m
1 stop
DEN1:57 pmDenver Intl
$222

momondo Fare Finder

 
Customize your flight search to find flights from Denver to District of Columbia 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 February 5, 2026.
Use the filters below to find and compare flights from Denver to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Fri 3/6

4:38 pm-9:59 pm

Nonstop3h 21m

Washington, D.C. Reagan-National

Sun 3/8

8:00 am-10:22 am

Nonstop4h 22m

$105

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 2/24

4:38 pm-9:59 pm

Nonstop3h 21m

Washington, D.C. Reagan-National

Thu 2/26

6:00 pm-8:16 pm

Nonstop4h 16m

$106

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Fri 3/6

11:37 am-4:59 pm

Nonstop3h 22m

Washington, D.C. Reagan-National

Mon 3/9

8:00 am-10:22 am

Nonstop4h 22m

$107

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 3/3

7:48 am-1:15 pm

Nonstop3h 27m

Washington, D.C. Reagan-National

Mon 3/9

2:00 pm-4:22 pm

Nonstop4h 22m

$108

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 3/10

7:35 am-1:02 pm

Nonstop3h 27m

Washington, D.C. Reagan-National

Fri 3/13

2:00 pm-4:22 pm

Nonstop4h 22m

$109

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Mon 3/9

7:35 am-1:02 pm

Nonstop3h 27m

Washington, D.C. Reagan-National

Mon 3/16

6:00 pm-8:16 pm

Nonstop4h 16m

$110

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Wed 3/11

4:38 pm-9:59 pm

Nonstop3h 21m

Washington, D.C. Reagan-National

Sat 3/21

8:00 am-10:22 am

Nonstop4h 22m

$111

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Fri 2/20

4:38 pm-9:59 pm

Nonstop3h 21m

Washington, D.C. Reagan-National

Sat 2/28

2:00 pm-4:22 pm

Nonstop4h 22m

$112

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 3/3

7:48 am-1:15 pm

Nonstop3h 27m

Washington, D.C. Reagan-National

Wed 3/11

6:00 pm-8:16 pm

Nonstop4h 16m

$113

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 3/4

2:19 pm-10:33 am

2 stops18h 14m

Washington, D.C. Dulles Intl

Wed 3/11

6:20 am-12:09 pm

1 stop7h 49m

$160

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

How to get the cheapest flight ticket from Denver to District of Columbia

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 District of Columbia?

In general, February is the cheapest month to fly from Denver to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $208. If you don’t want to visit District of Columbia in February, then you should wait until October to fly from Denver, when ticket prices are also cheap, with an average price of $227.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $323. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $398.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Denver in the morning is the least expensive time of day to depart. momondo users have found prices as low as $322 when looking at flights departing in the morning. Flights to District of Columbia are more costly in the evening, with an average ticket price of $588. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Denver Intl to District of Columbia flight route?

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

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $337 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Denver for as low as $279 on momondo.

What cabin class options are available on Denver Intl to District of Columbia flights?

There are 4 cabin classes available to choose from on Denver Intl to District of Columbia 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 Denver to District of Columbia flights?

No. A direct flight is the cheapest option for a flight between Denver to District of Columbia.

Cheap Denver to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to District of Columbia

Best Price Found

$119

Fastest flight time

3h 05m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Denver in the past 72 hours is $119. The best round-trip flight deal from Denver to District of Columbia found on momondo in the last 72 hours is $156.
The fastest flight from Denver to District of Columbia takes 3h 05m
Direct flights go from Denver to District of Columbia every day.
There are 2 airports in District of Columbia. From Denver there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).
Search flight deals

  • When did momondo last update prices for flights from Denver Intl Airport to District of Columbia?

    Prices for flights from Denver Intl Airport to District of Columbia are updated daily.

  • How many operators does momondo search for flights from Denver Intl Airport to District of Columbia?

  • How old do you have to be to fly from Denver Intl Airport to District of Columbia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents you'll need for your trip to District of Columbia 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 District of Columbia. 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 Denver to District of Columbia?

Best airlines flying from Denver to District of Columbia

Compare and see reviews for airlines that fly from Denver to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $97Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,151 reviews
Search Delta flights
United AirlinesPriceFrom $165Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,275 reviews
Search Southwest flights
American AirlinesPriceFrom $188Free CancellationRating
7.2
11,237 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to District of Columbia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to District of Columbia from Denver.

Can I find flights from Denver to District of Columbia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to District of Columbia from Denver with this policy.

How can momondo help me find flights from Denver to District of Columbia?

Once you have performed a search for Denver to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Denver to District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Denver to District of Columbia 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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