Cheap flights from Washington to San Jose

View AU$211 flight on Tue, 9 Dec. 2025Opens in a new window

Popular airlines from Washington to San Jose

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Cheap Flights from Washington (WAS) to San Jose (SJC)

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, 23 Aug. - Sat, 30 Aug.
DCA
Washington
SFO
San Francisco
AU$394 Return, found 2 days ago
AU$394
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 23 Aug. from Washington to San Francisco, returning Sat, 30 Aug., priced at AU$394 found 2 days ago
Alaska Airlines
Sat, 13 Sep. - Sat, 20 Sep.
DCA
Washington
SFO
San Francisco
AU$395 Return, found 1 day ago
AU$395
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 13 Sep. from Washington to San Francisco, returning Sat, 20 Sep., priced at AU$395 found 1 day ago
Alaska Airlines
Tue, 9 Sep. - Sat, 13 Sep.
DCA
Washington
SFO
San Francisco
AU$420 Return, found 4 days ago
AU$420
Return
found 4 days ago
Select Alaska Airlines flight, departing Tue, 9 Sep. from Washington to San Francisco, returning Sat, 13 Sep., priced at AU$420 found 4 days ago
American Airlines
Sat, 23 Aug. - Sat, 30 Aug.
DCA
Washington
SFO
San Francisco
AU$425 Return, found 2 days ago
AU$425
Return
found 2 days ago
Select American Airlines flight, departing Sat, 23 Aug. from Washington to San Francisco, returning Sat, 30 Aug., priced at AU$425 found 2 days ago
Delta
Sat, 23 Aug. - Sat, 30 Aug.
DCA
Washington
SFO
San Francisco
AU$425 Return, found 2 days ago
AU$425
Return
found 2 days ago
Select Delta flight, departing Sat, 23 Aug. from Washington to San Francisco, returning Sat, 30 Aug., priced at AU$425 found 2 days ago
United
Sat, 23 Aug. - Sat, 30 Aug.
DCA
Washington
SFO
San Francisco
AU$547 Return, found 2 days ago
AU$547
Return
found 2 days ago
Select United flight, departing Sat, 23 Aug. from Washington to San Francisco, returning Sat, 30 Aug., priced at AU$547 found 2 days ago

Find the cheapest month to fly from Washington (WAS) to San Jose (SJC)

September is typically the cheapest month to fly

From AU$157 - AU$431 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.