Flights Washington → Denver

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	$166	Frontier Airlines F94559 (1st of 2 flights)	4:36 PM Dulles (IAD)	9:49 PM Denver (DEN)	1 stop · Dallas/Fort Worth
Thu, Sep 17	—	—	—	—	—
Fri, Sep 18	—	—	—	—	—
Sat, Sep 19	—	—	—	—	—
Sun, Sep 20	—	—	—	—	—
Mon, Sep 21	—	—	—	—	—
Tue, Sep 22	—	—	—	—	—
Wed, Sep 23	$150lowest	Frontier Airlines F94559 (1st of 2 flights)	4:36 PM Dulles (IAD)	9:49 PM Denver (DEN)	1 stop · Dallas/Fort Worth
Thu, Sep 24	—	—	—	—	—

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

Washington, United States (WAS, city code)

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

Denver, United States (DEN, city code)

Denver International (DEN).

FromToDeparture date