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Cheap flights from Denver to District of Columbia from $71

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 11/19. 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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Find the cheapest flights from Denver to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:59 am - 2:29 pmDEN-IAD
11h 30m1 stop
Frontier Logo
5:26 pm - 9:02 amIAD-DEN
17h 36m1 stop
$133Frontier
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Tue, Dec 2 - Sun, Dec 7
Frontier Logo
9:34 am - 8:24 pmDEN-IAD
8h 50m1 stop
Frontier Logo
9:20 pm - 8:24 amIAD-DEN
13h 04m1 stop
$134Frontier
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Fri, Dec 5 - Sat, Dec 6
Multiple Airlines Logo
7:40 am - 1:05 pmDEN-DCA
3h 25mnonstop
Multiple Airlines Logo
8:00 am - 4:13 pmDCA-DEN
10h 13m1 stop
$156Multiple Airlines
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Tue, Jan 27 - Sat, Jan 31
Multiple Airlines Logo
4:38 pm - 9:59 pmDEN-DCA
3h 21mnonstop
Multiple Airlines Logo
8:00 am - 5:52 pmDCA-DEN
11h 52m1 stop
$160Multiple Airlines
Find Deal
Sat, Dec 13 - Tue, Jan 6
United Airlines Logo
11:59 pm - 5:16 amDEN-IAD
3h 17mnonstop
United Airlines Logo
10:10 pm - 12:15 amIAD-DEN
4h 05mnonstop
$177United Airlines
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Wed, Dec 10 - Sat, Dec 13
American Airlines Logo
6:21 am - 1:34 pmDEN-IAD
5h 13m1 stop
American Airlines Logo
5:08 pm - 10:22 pmIAD-DEN
7h 14m1 stop
$191American Airlines
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Wed, Dec 10 - Wed, Dec 10
United Airlines Logo
9:45 am - 3:01 pmDEN-IAD
3h 16mnonstop
United Airlines Logo
5:25 pm - 7:27 pmIAD-DEN
4h 02mnonstop
$197United Airlines
Find Deal
Sat, Dec 6 - Sun, Dec 7
American Airlines Logo
6:23 am - 1:54 pmDEN-DCA
5h 31m1 stop
American Airlines Logo
8:40 am - 2:14 pmDCA-DEN
7h 34m1 stop
$197American Airlines
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Wed, Jan 21 - Tue, Jan 27
Delta Logo
12:50 am - 10:13 amDEN-IAD
7h 23m1 stop
Delta Logo
6:00 am - 10:18 amIAD-DEN
6h 18m1 stop
$217Delta
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Fri, Dec 5 - Wed, Dec 10
Delta Logo
12:50 am - 9:10 amDEN-DCA
6h 20m1 stop
Delta Logo
9:36 am - 2:38 pmDCA-DEN
7h 02m1 stop
$217Delta
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Fri, Dec 5 - Sat, Dec 13

United Airlines flights from Denver to District of Columbia

Our best United Airlines deals on Denver to District of Columbia flight tickets
United Airlines
Dec 10
DEN11:59 pmDenver Intl
3h 17m
IAD5:16 amWashington, D.C. Dulles Intl
Dec 13
IAD10:10 pmWashington, D.C. Dulles Intl
4h 05m
DEN12:15 amDenver Intl
$177
Find similar
United Airlines
Dec 6
DEN9:45 amDenver Intl
3h 16m
IAD3:01 pmWashington, D.C. Dulles Intl
Dec 7
IAD5:25 pmWashington, D.C. Dulles Intl
4h 02m
DEN7:27 pmDenver Intl
$197
Find similar
United Airlines
Nov 12
DEN8:00 amDenver Intl
3h 18m
IAD1:18 pmWashington, D.C. Dulles Intl
Dec 14
IAD10:10 pmWashington, D.C. Dulles Intl
4h 05m
DEN12:15 amDenver Intl
$292
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Delta flights from Denver to District of Columbia

Our best Delta deals on Denver to District of Columbia flight tickets
Delta
Dec 5
DEN12:50 amDenver Intl
7h 23m
1 stop
IAD10:13 amWashington, D.C. Dulles Intl
Dec 10
IAD6:00 amWashington, D.C. Dulles Intl
6h 18m
1 stop
DEN10:18 amDenver Intl
$217
Find similar
Delta
Dec 4
DEN12:50 amDenver Intl
6h 20m
1 stop
DCA9:10 amWashington, D.C. Reagan-National
Dec 9
DCA1:42 pmWashington, D.C. Reagan-National
6h 10m
1 stop
DEN5:52 pmDenver Intl
$227
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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 November 4, 2025.
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 - IAD

DENIAD

Denver Intl

Tue 12/2

12:59 am-2:29 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Sun 12/7

5:26 pm-9:02 am

1 stop17h 36m

$133

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Fri 12/5

9:34 am-8:24 pm

1 stop8h 50m

Washington, D.C. Dulles Intl

Sat 12/6

9:20 pm-8:24 am

1 stop13h 04m

$134

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 1/27

7:40 am-1:05 pm

Nonstop3h 25m

Washington, D.C. Reagan-National

Sat 1/31

8:00 am-4:13 pm

1 stop10h 13m

$156

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 12/13

4:38 pm-9:59 pm

Nonstop3h 21m

Washington, D.C. Reagan-National

Tue 1/6

8:00 am-5:52 pm

1 stop11h 52m

$160

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 12/10

11:59 pm-5:16 am

Nonstop3h 17m

Washington, D.C. Dulles Intl

Sat 12/13

10:10 pm-12:15 am

Nonstop4h 05m

$177

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 12/10

6:21 am-1:34 pm

1 stop5h 13m

Washington, D.C. Dulles Intl

Wed 12/10

5:08 pm-10:22 pm

1 stop7h 14m

$191

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 12/6

9:45 am-3:01 pm

Nonstop3h 16m

Washington, D.C. Dulles Intl

Sun 12/7

5:25 pm-7:27 pm

Nonstop4h 02m

$197

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Wed 1/21

6:23 am-1:54 pm

1 stop5h 31m

Washington, D.C. Reagan-National

Tue 1/27

8:40 am-2:14 pm

1 stop7h 34m

$197

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Fri 12/5

12:50 am-10:13 am

1 stop7h 23m

Washington, D.C. Dulles Intl

Wed 12/10

6:00 am-10:18 am

1 stop6h 18m

$217

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Fri 12/5

12:50 am-9:10 am

1 stop6h 20m

Washington, D.C. Reagan-National

Sat 12/13

9:36 am-2:38 pm

1 stop7h 02m

$217

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 $229. If you don’t want to visit District of Columbia in February, then you should wait until August to fly from Denver, when ticket prices are also cheap, with an average price of $231.

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 $324. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday 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 $402.

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 $315 when looking at flights departing in the morning. Flights to District of Columbia are more costly at noon, with an average ticket price of $613. Departure times at noon 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 $334 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 $296 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

$92

Fastest flight time

3h 10m

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 $92. The best round-trip flight deal from Denver to District of Columbia found on momondo in the last 72 hours is $176.
The fastest flight from Denver to District of Columbia takes 3h 10m
Direct flights go from Denver to District of Columbia every day.
There are 2 airports near District of Columbia: 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 $100Free CancellationRating
5.8
3,117 reviews
Search Frontier flights
DeltaPriceFrom $138Free CancellationRating
7.9
8,003 reviews
Search Delta flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,239 reviews
Search Southwest flights
United AirlinesPriceFrom $181Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,040 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.

An easier way to manage your District of Columbia trip

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