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Cheap flights from Denver to District of Columbia from $82

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 11/13. 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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Find the cheapest flights from Denver to District of Columbia

Cheap round-trip flights

Frontier Logo
4:34 pm - 9:59 pmDEN-DCA
3h 25mnonstop
Frontier Logo
1:00 pm - 3:07 pmDCA-DEN
4h 07mnonstop
$131Frontier
Find Deal
Fri, Oct 17 - Sat, Oct 18
Frontier Logo
6:45 am - 12:10 pmDEN-DCA
3h 25mnonstop
Frontier Logo
7:00 am - 9:08 amDCA-DEN
4h 08mnonstop
$133Frontier
Find Deal
Fri, Oct 3 - Wed, Oct 8
Frontier Logo
6:45 am - 12:10 pmDEN-DCA
3h 25mnonstop
Frontier Logo
7:00 am - 9:08 amDCA-DEN
4h 08mnonstop
$135Frontier
Find Deal
Sat, Oct 4 - Wed, Oct 8
Frontier Logo
6:38 am - 12:04 pmDEN-DCA
3h 26mnonstop
Frontier Logo
7:00 am - 9:08 amDCA-DEN
4h 08mnonstop
$136Frontier
Find Deal
Sat, Oct 18 - Thu, Oct 23
Frontier Logo
6:38 am - 12:04 pmDEN-DCA
3h 26mnonstop
Frontier Logo
7:00 am - 9:08 amDCA-DEN
4h 08mnonstop
$139Frontier
Find Deal
Fri, Oct 17 - Mon, Oct 20
American Airlines Logo
6:23 am - 4:49 pmDEN-IAD
8h 26m1 stop
American Airlines Logo
1:58 pm - 7:04 pmIAD-DEN
7h 06m1 stop
$167American Airlines
Find Deal
Wed, Nov 12 - Thu, Nov 13
American Airlines Logo
7:21 am - 4:13 pmDEN-DCA
6h 52m1 stop
American Airlines Logo
3:25 pm - 7:34 pmDCA-DEN
6h 09m1 stop
$167American Airlines
Find Deal
Thu, Oct 23 - Wed, Oct 29
Southwest Logo
5:40 pm - 11:00 pmDEN-IAD
3h 20mnonstop
Southwest Logo
6:40 am - 8:30 amIAD-DEN
3h 50mnonstop
$177Southwest
Find Deal
Sat, Oct 18 - Sat, Oct 25
United Airlines Logo
4:05 pm - 9:21 pmDEN-IAD
3h 16mnonstop
United Airlines Logo
10:10 pm - 12:15 amIAD-DEN
4h 05mnonstop
$197United Airlines
Find Deal
Mon, Oct 27 - Wed, Oct 29
Southwest Logo
6:00 am - 4:15 pmDEN-IAD
8h 15m1 stop
Southwest Logo
6:40 am - 8:30 amIAD-DEN
3h 50mnonstop
$207Southwest
Find Deal
Sat, Oct 18 - Sat, Oct 25

Southwest flights from Denver to District of Columbia

Our best Southwest deals on Denver to District of Columbia flight tickets
Southwest
Oct 18
DEN5:40 pmDenver Intl
3h 20m
IAD11:00 pmWashington, D.C. Dulles Intl
Oct 25
IAD6:40 amWashington, D.C. Dulles Intl
3h 50m
DEN8:30 amDenver Intl
$177
Find similar
Southwest
Oct 18
DEN6:00 amDenver Intl
8h 15m
1 stop
IAD4:15 pmWashington, D.C. Dulles Intl
Oct 25
IAD6:40 amWashington, D.C. Dulles Intl
3h 50m
DEN8:30 amDenver Intl
$207
Find similar

Frontier flights from Denver to District of Columbia

Our best Frontier deals on Denver to District of Columbia flight tickets
Frontier
Oct 17
DEN4:34 pmDenver Intl
3h 25m
DCA9:59 pmWashington, D.C. Reagan-National
Oct 18
DCA1:00 pmWashington, D.C. Reagan-National
4h 07m
DEN3:07 pmDenver Intl
$131
Find similar
Frontier
Oct 3
DEN6:45 amDenver Intl
3h 25m
DCA12:10 pmWashington, D.C. Reagan-National
Oct 8
DCA7:00 amWashington, D.C. Reagan-National
4h 08m
DEN9:08 amDenver Intl
$133
Find similar
Frontier
Oct 4
DEN6:45 amDenver Intl
3h 25m
DCA12:10 pmWashington, D.C. Reagan-National
Oct 8
DCA7:00 amWashington, D.C. Reagan-National
4h 08m
DEN9:08 amDenver Intl
$135
Find similar

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 September 16, 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 - DCA

DENDCA

Denver Intl

Fri 10/17

4:34 pm-9:59 pm

Nonstop3h 25m

Washington, D.C. Reagan-National

Sat 10/18

1:00 pm-3:07 pm

Nonstop4h 07m

$131

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Fri 10/3

6:45 am-12:10 pm

Nonstop3h 25m

Washington, D.C. Reagan-National

Wed 10/8

7:00 am-9:08 am

Nonstop4h 08m

$133

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 10/4

6:45 am-12:10 pm

Nonstop3h 25m

Washington, D.C. Reagan-National

Wed 10/8

7:00 am-9:08 am

Nonstop4h 08m

$135

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 10/18

6:38 am-12:04 pm

Nonstop3h 26m

Washington, D.C. Reagan-National

Thu 10/23

7:00 am-9:08 am

Nonstop4h 08m

$136

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Fri 10/17

6:38 am-12:04 pm

Nonstop3h 26m

Washington, D.C. Reagan-National

Mon 10/20

7:00 am-9:08 am

Nonstop4h 08m

$139

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 11/12

6:23 am-4:49 pm

1 stop8h 26m

Washington, D.C. Dulles Intl

Thu 11/13

1:58 pm-7:04 pm

1 stop7h 06m

$167

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Thu 10/23

7:21 am-4:13 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Wed 10/29

3:25 pm-7:34 pm

1 stop6h 09m

$167

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 10/18

5:40 pm-11:00 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Sat 10/25

6:40 am-8:30 am

Nonstop3h 50m

$177

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Mon 10/27

4:05 pm-9:21 pm

Nonstop3h 16m

Washington, D.C. Dulles Intl

Wed 10/29

10:10 pm-12:15 am

Nonstop4h 05m

$197

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 10/18

6:00 am-4:15 pm

1 stop8h 15m

Washington, D.C. Dulles Intl

Sat 10/25

6:40 am-8:30 am

Nonstop3h 50m

$207

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, August 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 $231. If you don’t want to visit District of Columbia in August, then you should wait until February to fly from Denver, when ticket prices are also cheap, with an average price of $237.

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 $326. 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 $409.

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 $595. 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 $336 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 $302 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

$94

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 $94. The best round-trip flight deal from Denver to District of Columbia found on momondo in the last 72 hours is $149.
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
3,174 reviews
Search Frontier flights
DeltaPriceFrom $138Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $166Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $173Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,242 reviews
Search Southwest 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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