Cheap flights from Washington to Northern California

View AU$203 flight on Thu, 1 Jan. 2026Opens in a new window

Popular airlines from Washington to Northern California

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

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Cheap Flights from Washington (WAS) to Northern California (ACV)

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.

Alaska Airlines
Sat, 20 Sep. - Sat, 27 Sep.
DCA
Washington
SFO
San Francisco
AU$394 Return, found 21 hours ago
AU$394
Return
found 21 hours ago
Select Alaska Airlines flight, departing Sat, 20 Sep. from Washington to San Francisco, returning Sat, 27 Sep., priced at AU$394 found 21 hours ago
Alaska Airlines
Mon, 8 Sep. - Tue, 16 Sep.
IAD
Washington
SMF
Sacramento
AU$413 Return, found 2 days ago
AU$413
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 8 Sep. from Washington to Sacramento, returning Tue, 16 Sep., priced at AU$413 found 2 days ago
Alaska Airlines
Mon, 18 Aug. - Tue, 26 Aug.
IAD
Washington
RNO
Reno
AU$416 Return, found 1 day ago
AU$416
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 18 Aug. from Washington to Reno, returning Tue, 26 Aug., priced at AU$416 found 1 day ago
American Airlines
Sat, 20 Sep. - Sat, 27 Sep.
DCA
Washington
SFO
San Francisco
AU$425 Return, found 21 hours ago
AU$425
Return
found 21 hours ago
Select American Airlines flight, departing Sat, 20 Sep. from Washington to San Francisco, returning Sat, 27 Sep., priced at AU$425 found 21 hours ago
Delta
Sat, 6 Sep. - Sat, 13 Sep.
IAD
Washington
SFO
San Francisco
AU$425 Return, found 1 day ago
AU$425
Return
found 1 day ago
Select Delta flight, departing Sat, 6 Sep. from Washington to San Francisco, returning Sat, 13 Sep., priced at AU$425 found 1 day ago
United
Sat, 20 Sep. - Sat, 27 Sep.
DCA
Washington
SFO
San Francisco
AU$547 Return, found 21 hours ago
AU$547
Return
found 21 hours ago
Select United flight, departing Sat, 20 Sep. from Washington to San Francisco, returning Sat, 27 Sep., priced at AU$547 found 21 hours ago

Find the cheapest month to fly from Washington (WAS) to San Francisco (SFO)

September is typically the cheapest month to fly

From AU$212 - AU$455 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.