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Cheap flights from Denver to District of Columbia from $55

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 9/16. 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

Frontier Logo
11:25 am - 4:59 pmDEN-DCA
3h 34mnonstop
Frontier Logo
6:00 pm - 7:58 pmDCA-DEN
3h 58mnonstop
$104Frontier
Find Deal
Tue, Sep 9 - Tue, Sep 16
Frontier Logo
6:45 am - 12:11 pmDEN-DCA
3h 26mnonstop
Frontier Logo
7:00 am - 9:08 amDCA-DEN
4h 08mnonstop
$109Frontier
Find Deal
Sat, Nov 1 - Mon, Nov 3
United Airlines Logo
8:01 am - 1:28 pmDEN-IAD
3h 27mnonstop
United Airlines Logo
4:00 pm - 5:53 pmIAD-DEN
3h 53mnonstop
$172United Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 21
Southwest Logo
5:30 pm - 10:50 pmDEN-IAD
3h 20mnonstop
Southwest Logo
7:00 am - 8:40 amIAD-DEN
3h 40mnonstop
$177Southwest
Find Deal
Sat, Aug 30 - Sat, Sep 6
United Airlines Logo
11:59 pm - 5:22 amDEN-IAD
3h 23mnonstop
United Airlines Logo
10:09 pm - 11:57 pmIAD-DEN
3h 48mnonstop
$183United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
American Airlines Logo
7:21 am - 2:28 pmDEN-DCA
5h 07m1 stop
American Airlines Logo
4:38 pm - 9:57 pmDCA-DEN
7h 19m1 stop
$191American Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 21
American Airlines Logo
11:59 pm - 9:55 amDEN-IAD
7h 56m1 stop
American Airlines Logo
5:37 pm - 10:05 pmIAD-DEN
6h 28m1 stop
$195American Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Southwest Logo
5:30 pm - 10:50 pmDEN-IAD
3h 20mnonstop
Southwest Logo
7:00 am - 8:40 amIAD-DEN
3h 40mnonstop
$198Southwest
Find Deal
Fri, Aug 29 - Sat, Sep 6
Delta Logo
12:50 am - 9:16 amDEN-IAD
6h 26m1 stop
Delta Logo
5:18 am - 9:00 amIAD-DEN
5h 42m1 stop
$237Delta
Find Deal
Thu, Oct 23 - Sun, Nov 2
Delta Logo
6:05 am - 1:57 pmDEN-IAD
5h 52m1 stop
Delta Logo
9:00 am - 2:02 pmIAD-DEN
7h 02m1 stop
$262Delta
Find Deal
Wed, Nov 19 - Thu, Nov 27

Southwest flights from Denver to District of Columbia

Our best Southwest deals on Denver to District of Columbia flight tickets
Southwest
Aug 30
DEN5:30 pmDenver Intl
3h 20m
IAD10:50 pmWashington, D.C. Dulles Intl
Sep 6
IAD7:00 amWashington, D.C. Dulles Intl
3h 40m
DEN8:40 amDenver Intl
$177
Find similar
Southwest
Aug 29
DEN5:30 pmDenver Intl
3h 20m
IAD10:50 pmWashington, D.C. Dulles Intl
Sep 6
IAD7:00 amWashington, D.C. Dulles Intl
3h 40m
DEN8:40 amDenver Intl
$198
Find similar
Southwest
Oct 2
DEN6:10 pmDenver Intl
3h 20m
IAD11:30 pmWashington, D.C. Dulles Intl
Oct 6
IAD7:45 pmWashington, D.C. Dulles Intl
3h 50m
DEN9:35 pmDenver Intl
$199
Find similar

Delta flights from Denver to District of Columbia

Our best Delta deals on Denver to District of Columbia flight tickets
Delta
Oct 23
DEN12:50 amDenver Intl
6h 26m
1 stop
IAD9:16 amWashington, D.C. Dulles Intl
Nov 2
IAD5:18 amWashington, D.C. Dulles Intl
5h 42m
1 stop
DEN9:00 amDenver Intl
$237
Find similar
Delta
Nov 19
DEN6:05 amDenver Intl
5h 52m
1 stop
IAD1:57 pmWashington, D.C. Dulles Intl
Nov 27
IAD9:00 amWashington, D.C. Dulles Intl
7h 02m
1 stop
DEN2:02 pmDenver Intl
$262
Find similar
Delta
Nov 17
DEN12:59 amDenver Intl
6h 12m
1 stop
IAD9:11 amWashington, D.C. Dulles Intl
Dec 2
IAD6:10 amWashington, D.C. Dulles Intl
6h 01m
1 stop
DEN10:11 amDenver Intl
$263
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 August 2, 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

Tue 9/9

11:25 am-4:59 pm

Nonstop3h 34m

Washington, D.C. Reagan-National

Tue 9/16

6:00 pm-7:58 pm

Nonstop3h 58m

$104

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 11/1

6:45 am-12:11 pm

Nonstop3h 26m

Washington, D.C. Reagan-National

Mon 11/3

7:00 am-9:08 am

Nonstop4h 08m

$109

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Tue 10/21

8:01 am-1:28 pm

Nonstop3h 27m

Washington, D.C. Dulles Intl

Tue 10/21

4:00 pm-5:53 pm

Nonstop3h 53m

$172

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 8/30

5:30 pm-10:50 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Sat 9/6

7:00 am-8:40 am

Nonstop3h 40m

$177

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Tue 10/14

11:59 pm-5:22 am

Nonstop3h 23m

Washington, D.C. Dulles Intl

Tue 10/21

10:09 pm-11:57 pm

Nonstop3h 48m

$183

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 10/21

7:21 am-2:28 pm

1 stop5h 07m

Washington, D.C. Reagan-National

Tue 10/21

4:38 pm-9:57 pm

1 stop7h 19m

$191

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Tue 10/14

11:59 pm-9:55 am

1 stop7h 56m

Washington, D.C. Dulles Intl

Tue 10/21

5:37 pm-10:05 pm

1 stop6h 28m

$195

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Fri 8/29

5:30 pm-10:50 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Sat 9/6

7:00 am-8:40 am

Nonstop3h 40m

$198

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Thu 10/23

12:50 am-9:16 am

1 stop6h 26m

Washington, D.C. Dulles Intl

Sun 11/2

5:18 am-9:00 am

1 stop5h 42m

$237

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 11/19

6:05 am-1:57 pm

1 stop5h 52m

Washington, D.C. Dulles Intl

Thu 11/27

9:00 am-2:02 pm

1 stop7h 02m

$262

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 $227. If you don’t want to visit District of Columbia in August, then you should wait until September to fly from Denver, when ticket prices are also cheap, with an average price of $229.

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 $429.

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 $314 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 $605. 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 Baltimore/Washington 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 $308 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 $232 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

$55

Fastest flight time

3h 16m

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 $55. The best round-trip flight deal from Denver to District of Columbia found on momondo in the last 72 hours is $104.
The fastest flight from Denver to District of Columbia takes 3h 16m
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 $99Free CancellationRating
5.8
3,241 reviews
Search Frontier flights
DeltaPriceFrom $144Free CancellationRating
8.0
7,983 reviews
Search Delta flights
American AirlinesPriceFrom $166Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $172Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
SouthwestPriceFrom $190Free CancellationRating
8.0
4,246 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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