Cheap flights from Denver to Northern Virginia

View AU$160 flight on Mon, 15 Sep. 2025Opens in a new window

Popular airlines from Denver to Northern Virginia

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

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Cheap Flights from Denver (DEN) to Northern Virginia (WAS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 10 Sep. - Wed, 17 Sep.
DEN
Denver
IAD
Washington
AU$299 Return, found 1 day ago
AU$299
Return
found 1 day ago
Select American Airlines flight, departing Wed, 10 Sep. from Denver to Washington, returning Wed, 17 Sep., priced at AU$299 found 1 day ago
American Airlines
Wed, 10 Sep. - Wed, 17 Sep.
DEN
Denver
DCA
Washington
AU$299 Return, found 1 day ago
AU$299
Return
found 1 day ago
Select American Airlines flight, departing Wed, 10 Sep. from Denver to Washington, returning Wed, 17 Sep., priced at AU$299 found 1 day ago
American Airlines
Wed, 8 Oct. - Tue, 14 Oct.
DEN
Denver
DCA
Washington
AU$302 Return, found 4 days ago
AU$302
Return
found 4 days ago
Select American Airlines flight, departing Wed, 8 Oct. from Denver to Washington, returning Tue, 14 Oct., priced at AU$302 found 4 days ago
Delta
Wed, 10 Sep. - Wed, 17 Sep.
DEN
Denver
DCA
Washington
AU$359 Return, found 1 day ago
AU$359
Return
found 1 day ago
Select Delta flight, departing Wed, 10 Sep. from Denver to Washington, returning Wed, 17 Sep., priced at AU$359 found 1 day ago
United
Sat, 30 Aug. - Sat, 6 Sep.
DEN
Denver
DCA
Washington
AU$376 Return, found 1 day ago
AU$376
Return
found 1 day ago
Select United flight, departing Sat, 30 Aug. from Denver to Washington, returning Sat, 6 Sep., priced at AU$376 found 1 day ago
Alaska Airlines
Wed, 10 Sep. - Wed, 17 Sep.
DEN
Denver
DCA
Washington
AU$398 Return, found 1 day ago
AU$398
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 10 Sep. from Denver to Washington, returning Wed, 17 Sep., priced at AU$398 found 1 day ago

Find the cheapest month to fly from Denver (DEN) to Washington (IAD)

April is typically the cheapest month to fly

From AU$184 - AU$413 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.