Cheap flights from Washington to Treasure Island

View AU$211 flight on Tue, 19 Aug. 2025Opens in a new window

Popular airlines from Washington to Treasure Island

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Cheap Flights from Washington (WAS) to Treasure Island (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, 20 Sep. - Sat, 27 Sep.
DCA
Washington
SFO
San Francisco
AU$394 Return, found 18 hours ago
AU$394
Return
found 18 hours ago
Select Alaska Airlines flight, departing Sat, 20 Sep. from Washington to San Francisco, returning Sat, 27 Sep., priced at AU$394 found 18 hours ago
American Airlines
Sat, 20 Sep. - Sat, 27 Sep.
DCA
Washington
SFO
San Francisco
AU$425 Return, found 18 hours ago
AU$425
Return
found 18 hours ago
Select American Airlines flight, departing Sat, 20 Sep. from Washington to San Francisco, returning Sat, 27 Sep., priced at AU$425 found 18 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
Delta
Sat, 20 Sep. - Sat, 27 Sep.
DCA
Washington
SFO
San Francisco
AU$425 Return, found 18 hours ago
AU$425
Return
found 18 hours ago
Select Delta flight, departing Sat, 20 Sep. from Washington to San Francisco, returning Sat, 27 Sep., priced at AU$425 found 18 hours ago
Delta
Sat, 6 Sep. - Sat, 13 Sep.
IAD
Washington
SFO
San Francisco
AU$441 Return, found 1 day ago
AU$441
Return
found 1 day ago
Select Delta flight, departing Sat, 6 Sep. from Washington to San Francisco, returning Sat, 13 Sep., priced at AU$441 found 1 day ago
United
Sat, 6 Sep. - Sat, 13 Sep.
IAD
Washington
SFO
San Francisco
AU$516 Return, found 1 day ago
AU$516
Return
found 1 day ago
Select United flight, departing Sat, 6 Sep. from Washington to San Francisco, returning Sat, 13 Sep., priced at AU$516 found 1 day 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.