Flights from Seattle to San Francisco

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Cheap one-way flights

If you're planning to travel one-way to San Francisco, find the best flight deals available here.
Frontier Airlines
DEPARTURE
SEA - SFO
Sun. Oct 25, 2026
Price per a person from
$229
American Airlines
DEPARTURE
SEA - SFO
Sun. Oct 25, 2026
Price per a person from
$366
Delta Air Lines
DEPARTURE
SEA - SFO
Sun. Oct 25, 2026
Price per a person from
$368
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