District of Columbia

$68+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IAD
Jan 15 — Jan 221
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Cheap 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 December 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Wed 12/245:51 pmDEN - IAD
2 stops15h 47mFrontier
Sun 1/186:00 amIAD - DEN
1 stop17h 26mFrontier
Deal found 12/13$233
This Frontier deal was found by Cheapflights users on 12/14. 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.
Wed 12/244:38 pmDEN - DCA
Nonstop3h 21mFrontier
Tue 1/68:59 amDCA - DEN
Nonstop4h 13mFrontier
Deal found 12/14$239
This Priceline deal was found by Cheapflights users on 12/14. 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.
Wed 12/1711:59 pmDEN - DCA
1 stop8h 36mMultiple Airlines
Tue 1/68:59 amDCA - DEN
Nonstop4h 13mMultiple Airlines
Deal found 12/14$242
This Super.com deal was found by Cheapflights users on 12/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:38 pmDEN - DCA
Nonstop3h 21mFrontier
Tue 1/62:00 pmDCA - DEN
Nonstop4h 15mFrontier
Deal found 12/15$246
This Priceline deal was found by Cheapflights users on 12/14. 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.
Thu 12/1810:40 pmDEN - DCA
1 stop9h 55mMultiple Airlines
Tue 1/62:00 pmDCA - DEN
Nonstop4h 15mMultiple Airlines
Deal found 12/14$247
This Super.com deal was found by Cheapflights users on 12/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:59 pmDEN - IAD
1 stop6h 47mFrontier
Mon 1/196:00 amIAD - DEN
1 stop8h 21mFrontier
Deal found 12/15$252
This Super.com deal was found by Cheapflights users on 12/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:59 pmDEN - IAD
1 stop6h 47mFrontier
Mon 1/59:58 pmIAD - DEN
1 stop27h 01mFrontier
Deal found 12/14$260
This Super.com deal was found by Cheapflights users on 12/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:38 amDEN - DCA
Nonstop3h 21mFrontier
Tue 1/68:59 amDCA - DEN
Nonstop4h 13mFrontier
Deal found 12/14$262
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Tue 12/3011:06 amDEN - IAD
1 stop24h 39mMultiple Airlines
Tue 1/66:00 amIAD - DEN
2 stops29h 50mMultiple Airlines
Deal found 12/15$266
This Frontier deal was found by Cheapflights users on 12/15. 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.
Tue 12/304:38 pmDEN - DCA
Nonstop3h 21mFrontier
Mon 1/58:00 amDCA - DEN
Nonstop4h 13mFrontier
Deal found 12/15$270
This Super.com deal was found by Cheapflights users on 12/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:35 amDEN - DCA
Nonstop3h 26mFrontier
Tue 1/68:59 amDCA - DEN
Nonstop4h 13mFrontier
Deal found 12/14$273
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:14 amDEN - IAD
1 stop9h 24mFrontier
Mon 1/59:58 pmIAD - DEN
1 stop27h 01mFrontier
Deal found 12/14$274

Find 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 December 16, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$130
(Frontier)

One-way from

$68
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$329

Good round-trip deal

$173 or less

Good one-way deal

$111 or less
Provider with most accurate pricing for Denver Intl-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Denver Intl-Washington, D.C. (WAS) flights.
From Denver Intl to District of Columbia
One-way flight from Denver Intl to District of Columbia
Highest demand for flights based on searches. 12% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Denver Intl to District of Columbia.
Price to beat on a one-way flight from Denver Intl to District of Columbia.

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 December 16, 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

Wed 1/14

2:42 pm-11:57 pm

1 stop7h 15m

Washington, D.C. Dulles Intl

Wed 1/21

6:00 am-10:08 am

1 stop6h 08m

$217

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Thu 1/8

11:35 am-10:59 pm

1 stop9h 24m

Washington, D.C. Reagan-National

Sun 1/11

6:00 am-10:42 am

1 stop6h 42m

$219

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Thu 1/8

11:35 am-10:59 pm

1 stop9h 24m

Washington, D.C. Reagan-National

Tue 1/13

7:00 am-12:45 pm

1 stop7h 45m

$219

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Thu 3/5

11:13 pm-8:01 am

1 stop6h 48m

Washington, D.C. Reagan-National

Tue 3/10

7:00 am-1:51 pm

1 stop8h 51m

$219

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Thu 1/8

11:35 am-10:59 pm

1 stop9h 24m

Washington, D.C. Reagan-National

Mon 1/12

6:00 am-10:42 am

1 stop6h 42m

$219

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Wed 1/7

11:35 am-10:59 pm

1 stop9h 24m

Washington, D.C. Reagan-National

Mon 1/12

6:00 am-10:42 am

1 stop6h 42m

$219

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Mon 1/12

2:42 pm-11:57 pm

1 stop7h 15m

Washington, D.C. Dulles Intl

Sat 1/24

7:00 am-2:05 pm

1 stop9h 05m

$227

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 1/10

2:38 pm-10:57 pm

1 stop6h 19m

Washington, D.C. Reagan-National

Sat 1/17

4:00 pm-10:55 pm

1 stop8h 55m

$227

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 1/10

5:00 pm-10:10 pm

Nonstop3h 10m

Washington, D.C. Dulles Intl

Sat 1/17

3:45 pm-5:50 pm

Nonstop4h 05m

$237

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Tue 1/6

2:42 pm-11:57 pm

1 stop7h 15m

Washington, D.C. Dulles Intl

Sat 1/10

6:00 am-10:24 am

1 stop6h 24m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 39 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 $76). 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 December 16, 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 December 13, 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. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to District of Columbia

Explore weekly flight availability from Denver to District of Columbia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 16, 2025.

The most flights from DEN to USDC are scheduled on a Monday (23 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

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 December 16, 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.

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 10m. Fly via Delta, JetBlue, or Southwest 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 Frontier, with whom users have recently found tickets for as low as $56. However, be on the lookout for offers from JetBlue and Southwest, 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%), Ethiopian Air (100%), Avianca (93%).

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

    The cheapest flight price from Denver to District of Columbia is $149. On average you can expect to pay $1,212. The most popular route, (Denver Intl - Washington, D.C. Dulles Intl), can usually be booked for $177.

  • 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 $76). 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.

See more FAQs

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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.

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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$99Average$239FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$314FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$177Average$338FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$180Average$379FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$196Average$292FlexibilityNo cancel feeOn-time71%

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