Flights Denver → Washington

One way · Economy · 1 adult · price per person · next 14 days from September 10, 2026

Last observed price on Aviasales for 2 of 15 dates; the lowest is $150. Prices are not guaranteed and are confirmed at booking time.

Last observed price by date

Date	Last observed price	Flight	Departure	Arrival	Stops
Thu, Sep 10	—	—	—	—	—
Fri, Sep 11	—	—	—	—	—
Sat, Sep 12	—	—	—	—	—
Sun, Sep 13	—	—	—	—	—
Mon, Sep 14	—	—	—	—	—
Tue, Sep 15	—	—	—	—	—
Wed, Sep 16	—	—	—	—	—
Thu, Sep 17	—	—	—	—	—
Fri, Sep 18	—	—	—	—	—
Sat, Sep 19	—	—	—	—	—
Sun, Sep 20	$176	Frontier Airlines F9686	6:45 AM Denver (DEN)	12:11 PM Reagan National (DCA)	Direct
Mon, Sep 21	$150lowest	Frontier Airlines F91765 (1st of 2 flights)	6:38 PM Denver (DEN)	6:20 AM (+1) Dulles (IAD)	1 stop · Las Vegas Harry Reid
Tue, Sep 22	—	—	—	—	—
Wed, Sep 23	—	—	—	—	—
Thu, Sep 24	—	—	—	—	—

Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

Denver, United States (DEN, city code)

Denver International (DEN).

Washington, United States (WAS, city code)

Washington Dulles (IAD), Washington Reagan National (DCA).

FromToDeparture date