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District of Columbia

$71+ Cheap flights from Denver (DEN) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IAD
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheap flight deals from Denver to District of Columbia

Keep the following information in mind while searching for Denver to District of Columbia flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$130
(Priceline)

One-way from

$71
(CheapOair)

Popular in

December

Cheapest in

August

Average price

$249

Good round-trip deal

$150 or less

Good one-way deal

$89 or less
Provider with most accurate pricing for Denver Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Washington, D.C. (WAS) flights.
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From Denver Intl to District of Columbia
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One-way flight from Denver Intl to District of Columbia
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Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Denver Intl to District of Columbia.
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Price to beat on a one-way flight from Denver Intl to District of Columbia.
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Find flight deals from Denver to District of Columbia

Cheapest flights from Denver to District of Columbia
Explore the most affordable flight options available from Denver to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Priceline deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/1512:25 pmDEN - IAD
1 stop9h 30mFrontier
mar. 11/188:40 amIAD - DEN
1 stop7h 05mFrontier
Deal found 10/28$130
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1012:59 amDEN - IAD
1 stop17h 21mFrontier
lun. 11/175:58 pmIAD - DEN
1 stop21h 47mFrontier
Deal found 10/28$132
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/3110:00 amDEN - IAD
2 stops23h 38mFrontier
mié. 1/75:37 pmIAD - DEN
1 stop20h 44mFrontier
Deal found 10/29$133
This CheapOair deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/77:40 amDEN - DCA
Nonstop3h 26mFrontier
mié. 12/101:00 pmDCA - DEN
Nonstop4h 06mFrontier
Deal found 10/27$133
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1812:59 amDEN - IAD
1 stop17h 21mFrontier
jue. 12/45:45 amIAD - DEN
1 stop29h 17mFrontier
Deal found 10/29$134
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1011:38 amDEN - DCA
Nonstop3h 21mFrontier
dom. 12/146:00 pmDCA - DEN
Nonstop4h 12mFrontier
Deal found 10/29$136
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/212:59 amDEN - IAD
1 stop11h 30mFrontier
vie. 12/129:26 amIAD - DEN
1 stop8h 17mFrontier
Deal found 10/30$137
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/311:38 amDEN - DCA
Nonstop3h 21mFrontier
jue. 12/42:00 pmDCA - DEN
Nonstop4h 15mFrontier
Deal found 10/30$137
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1712:59 amDEN - IAD
1 stop17h 21mFrontier
jue. 12/45:45 amIAD - DEN
1 stop29h 17mFrontier
Deal found 10/29$138
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/127:35 amDEN - DCA
Nonstop3h 27mFrontier
sáb. 11/158:15 amDCA - DEN
Nonstop4h 05mFrontier
Deal found 10/28$140
This CheapOair deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/51:42 pmDEN - IAD
1 stop7h 23mFrontier
lun. 12/84:00 pmIAD - DEN
1 stop18h 43mFrontier
Deal found 10/30$141
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/107:38 amDEN - DCA
Nonstop3h 24mFrontier
lun. 11/176:00 pmDCA - DEN
Nonstop3h 59mFrontier
Deal found 10/28$141

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Denver to District of Columbia that are best for you.

Fly from

Denver

Fly to

District of Columbia

Route

Depart

Return

Price

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

mar. 2/10

7:50 am-1:17 pm

Nonstop3h 27m

Washington, D.C. Dulles Intl

vie. 2/13

10:25 pm-12:30 am

Nonstop4h 05m

$197

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

jue. 2/12

9:35 am-2:59 pm

Nonstop3h 24m

Washington, D.C. Reagan-National

mar. 2/17

4:11 pm-6:29 pm

Nonstop4h 18m

$197

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

jue. 11/13

11:51 am-10:59 pm

1 stop9h 08m

Washington, D.C. Reagan-National

mar. 11/18

6:24 am-11:05 am

1 stop6h 41m

$201

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

vie. 11/14

11:51 am-10:59 pm

1 stop9h 08m

Washington, D.C. Reagan-National

mar. 11/18

6:24 am-11:05 am

1 stop6h 41m

$201

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

jue. 11/13

11:51 am-10:59 pm

1 stop9h 08m

Washington, D.C. Reagan-National

dom. 11/16

6:24 am-11:05 am

1 stop6h 41m

$201

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

mar. 12/9

11:50 am-10:59 pm

1 stop9h 09m

Washington, D.C. Reagan-National

jue. 12/11

6:00 am-11:05 am

1 stop7h 05m

$207

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

sáb. 2/14

3:45 pm-11:02 pm

1 stop5h 17m

Washington, D.C. Dulles Intl

mar. 2/17

7:50 pm-12:24 am

1 stop6h 34m

$217

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

vie. 12/12

8:05 am-1:23 pm

Nonstop3h 18m

Washington, D.C. Dulles Intl

dom. 12/14

5:25 pm-7:27 pm

Nonstop4h 02m

$217

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

dom. 12/7

11:59 pm-10:05 am

1 stop8h 06m

Washington, D.C. Reagan-National

mié. 12/10

6:00 am-11:05 am

1 stop7h 05m

$221

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

jue. 1/8

1:15 pm-11:34 pm

1 stop8h 19m

Washington, D.C. Reagan-National

dom. 1/11

6:05 am-10:26 am

1 stop6h 21m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 42 results
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Best time to book a flight from Denver to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to District of Columbia

What is the cheapest month to book a flight from Denver to District of Columbia?

Currently, February is the cheapest month in which you can book a flight from Denver to District of Columbia (average of $80). Flying from Denver to District of Columbia in May is currently the most expensive (average of $134). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to DC?

Find hourly flight availability from Denver to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 20% on flights from Denver to District of Columbia by exploring options for tickets in the morning.

What is the cheapest day to fly from Denver to District of Columbia?

Use this chart to determine the cheapest time to fly round-trip from Denver to District of Columbia. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Denver to District of Columbia flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated octubre 30, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Denver to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Denver to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to District of Columbia?

    For a flight from Denver to District of Columbia, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city.

  • How long is the flight from Denver to District of Columbia?

    There are many flights that can get you from Denver to District of Columbia in 3h 27m. Fly via United Airlines, JetBlue, or Delta to get the fastest option. The distance from Denver to District of Columbia is about 1448 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Denver to District of Columbia one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from Southwest and Frontier, as they are both options that can get you from Denver to District of Columbia for a low price.

  • What are the most reliable airlines from Denver to District of Columbia?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to District of Columbia on time: ITA Airways (100%), Avianca (98%), Ethiopian Air (97%).

  • What are the cheapest flights from Denver to District of Columbia?

    The cheapest flight price from Denver to District of Columbia is $70. On average you can expect to pay $928. The most popular route, (Denver Intl - Washington, D.C. Dulles Intl), can usually be booked for $169.

  • Can I find deals for flights from Denver to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Denver to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to District of Columbia.

  • Can I find deals for business class flights from Denver to District of Columbia?

    Yes. Cheapflights offers flight deals from Denver to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to District of Columbia?

    Currently, February is the cheapest month in which you can book a flight from Denver to District of Columbia (average of $80). Flying from Denver to District of Columbia in May is currently the most expensive (average of $134). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Denver to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Denver to District of Columbia

Discover the top 5 airlines that operate flights from Denver to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$99Average$235FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$349FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$177Average$343FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$179Average$384FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$186Average$292FlexibilityNo cancel feeOn-time71%

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