Flights San Francisco → Washington

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

Last observed price on Aviasales for 8 of 15 dates; the lowest is $202. 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	$253	Frontier Airlines F94402 (1st of 2 flights)	10:24 PM SFO (SFO)	6:20 AM (+2) Dulles (IAD)	1 stop · Las Vegas Harry Reid
Fri, Sep 11	$238	Frontier Airlines F91230 (1st of 2 flights)	6:04 AM SFO (SFO)	4:59 PM Reagan National (DCA)	1 stop · Denver International
Sat, Sep 12	$235	Frontier Airlines F92486 (1st of 2 flights)	3:15 PM SFO (SFO)	6:20 AM (+1) Dulles (IAD)	1 stop · Las Vegas Harry Reid
Sun, Sep 13	$396	Frontier Airlines F94402 (1st of 4 flights)	10:24 PM SFO (SFO)	8:09 PM (+2) Dulles (IAD)	3 stops · Las Vegas Harry Reid, Chicago O'Hare, Fort Lauderdale-Hollywood
Mon, Sep 14	$463	Frontier Airlines F91448 (1st of 4 flights)	10:05 PM SFO (SFO)	12:11 PM (+3) Reagan National (DCA)	3 stops · Atlanta Hartsfield-Jackson, Miami International, Denver International
Tue, Sep 15	—	—	—	—	—
Wed, Sep 16	$689	Alaska Airlines AS8	9:39 AM SFO (SFO)	5:59 PM Reagan National (DCA)	Direct
Thu, Sep 17	—	—	—	—	—
Fri, Sep 18	$210	Frontier Airlines F91230 (1st of 2 flights)	6:04 AM SFO (SFO)	4:59 PM Reagan National (DCA)	1 stop · Denver International
Sat, Sep 19	—	—	—	—	—
Sun, Sep 20	—	—	—	—	—
Mon, Sep 21	—	—	—	—	—
Tue, Sep 22	—	—	—	—	—
Wed, Sep 23	—	—	—	—	—
Thu, Sep 24	$202lowest	Frontier Airlines F91230 (1st of 2 flights)	6:04 AM SFO (SFO)	4:59 PM Reagan National (DCA)	1 stop · Denver International

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

San Francisco, United States (SFO, city code)

San Francisco International (SFO).

Washington, United States (WAS, city code)

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

FromToDeparture date