SEA to SFO from $79 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

San Francisco International Airport

San Francisco, United States

$135 USD

-41%$79 USD

Verified about 4 hours ago

August 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

27 28 29 30 31 1$460 2$359 3$359 4$359 5$359 6$359 7$359 8$277 9 10$488 11$277 12$277 13$277 14$277 15$217 16$217 17$217 18$217 19$217 20$217 21 22$262 23$149 24$119 25$96 26$96 27$96 28$128 29$96 30$149 31$84 1$84 2$84 3$84 4$94 5$79 6$79

Fair Availability

20% of dates checked are available within 10% of the lowest price

Friday, August 21st, 2026

No flight details available for this date.