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Cheap flights from Denver to Washington, D.C. Reagan-National Airport from C$ 241

DEN — DCA
9 Oct — 16 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Denver to Reagan-National

Enter your travel dates to find the best prices.

Cheapest flights from Denver to Reagan-National

Sat 12/129:35 a.m. -
Nonstop3h 16m
Wed 6/14:07 p.m. -
Nonstop4h 00m
Deal found 9/9C$ 468
Tue 20/103:15 p.m. -
1 stop5h 40m
Thu 22/104:55 p.m. -
1 stop5h 05m
Deal found 8/9C$ 483
Thu 29/107:40 a.m. -
1 stop7h 00m
Fri 6/114:25 p.m. -
1 stop5h 40m
Deal found 6/9C$ 488
Thu 1/1012:59 a.m. -
1 stop5h 36m
Sun 4/106:10 a.m. -
1 stop5h 38m
Deal found 9/9C$ 495
Thu 29/1012:59 p.m. -
1 stop6h 50m
Fri 6/1112:26 p.m. -
1 stop7h 26m
Deal found 9/9C$ 497
Thu 1/108:30 a.m. -
1 stop5h 55m
Tue 6/103:10 p.m. -
2 stops7h 45m
Deal found 9/9C$ 502
Tue 22/125:05 a.m. -
1 stop6h 25m
Tue 29/129:00 p.m. -
1 stop5h 35m
Deal found 8/9C$ 506
Wed 21/106:35 a.m. -
2 stops5h 55m
Sat 24/106:15 a.m. -
2 stops7h 25m
Deal found 6/9C$ 509
Fri 20/115:50 a.m. -
1 stop5h 00m
Thu 26/118:00 a.m. -
1 stop8h 30m
Deal found 8/9C$ 513
Fri 23/1010:35 a.m. -
2 stops7h 15m
Mon 26/107:35 p.m. -
1 stop5h 05m
Deal found 8/9C$ 514
Fri 16/1010:35 a.m. -
2 stops7h 15m
Mon 19/107:15 p.m. -
1 stop7h 10m
Deal found 7/9C$ 520
Thu 5/116:05 a.m. -
1 stop5h 55m
Tue 10/116:10 a.m. -
1 stop5h 31m
Deal found 6/9C$ 523

Find flight deals from Denver to Reagan-National

Round-trip from

C$ 468

One-way from

C$ 241

Popular in

June

Cheapest in

February

Average price

C$ 383
United Airlines
  • United Airlines
  • 12/12-6/1
  • Nonstop
  • 7h 16m total
  • Denver to Washington, D.C.
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Southwest
  • Southwest
  • 6/10-31/12
  • 1 total stop
  • 5h 40m total
  • Denver to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (C$ 213 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Denver to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Sat 20/2

5:10 a.m.-2:15 p.m.

1 stop7h 05m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 248

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Fri 2/10

5:50 a.m.-2:00 p.m.

1 stop6h 10m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 248

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Mon 5/10

7:50 a.m.-3:40 p.m.

1 stop5h 50m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 248

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Sat 21/11

5:05 a.m.-3:15 p.m.

1 stop8h 10m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 248

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Thu 22/10

3:15 p.m.-10:55 p.m.

1 stop5h 40m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 248

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Sun 31/1

8:25 a.m.-6:00 p.m.

1 stop7h 35m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 248

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Sun 4/10

5:40 a.m.-3:40 p.m.

1 stop8h 00m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 290
Quickest round-trip

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Thu 8/10

2:40 p.m.-9:55 p.m.

1 stop5h 15m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 290

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Fri 27/11

7:10 a.m.-4:15 p.m.

2 stops7h 05m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 297

DenverWashington, D.C.

DEN Denver Intl - DCA Washington, D.C. Reagan-National

DENDCA

Denver Intl

Fri 23/10

10:30 a.m.-7:50 p.m.

2 stops7h 20m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 297

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Denver to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Denver with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Denver to Washington, D.C. Reagan-National Airport

How far ahead should I book a flight from Denver to Washington, D.C. Reagan-National Airport?

The price you pay for your flight from Denver to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Denver to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Denver to Washington, D.C. Reagan-National Airport (average of C$ 255). Flying from Denver to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of C$ 630). 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 DCA?

When flying from Denver to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Denver to Washington, D.C. Reagan-National Airport?

Airfare is typical for this route at the moment.

Denver to Washington, D.C. Reagan-National Airport flights typically cost between C$ 316 and C$ 545 in December.
The cheapest round-trip price found within the last 5 days was C$ 468 on United Airlines (12 Dec-6 Jan).

Related info for your journey

  • What airport do you fly from for flights from Denver to Washington, D.C. Reagan-National?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Washington, D.C. Reagan-National. On average, Denver Intl has 3 outbound flights to Washington, D.C. Reagan-National per day from 0 airlines. Denver Intl is conveniently located just 29.7 km from Denver’s city centre.

  • How long is the flight from Denver to Washington, D.C. Reagan-National Airport?

    For as low as C$ 488, Southwest can have you in Washington, D.C. Reagan-National Airport from Denver in 7h. The distance between Denver and Washington, D.C. Reagan-National Airport is about 2367 km.

  • What are the most reliable airlines from Denver to Washington, D.C. Reagan-National Airport?

    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 Washington, D.C. Reagan-National Airport on time: Air Canada (88%), United Airlines (88%), Frontier (66%).

  • Can I find deals for flights from Denver to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Denver to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Reagan-National?

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

  • Can I find deals for business class flights from Denver to Reagan-National?

    Yes. Cheapflights offers flight deals from Denver to Reagan-National 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 Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Denver to Washington, D.C. Reagan-National Airport (average of C$ 255). Flying from Denver to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of C$ 630). 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

Travelling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Silver Spring
Alexandria
Hanover
Oxon Hill
Gaithersburg
Reston
Herndon
Ellicott City
Arlington
Fredericksburg
Rockville

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Yes, Cheapflights offers price alerts on Denver to Reagan-National flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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