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

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United Airlines

UAUnited Airlines

One Way•Economy

San Francisco International Airport

San Francisco, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$138 USD

-43%$79 USD

Verified 1 day ago

September 2026

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31$92 1$79 2$79 3$211 4$252 5$122 6$139 7$92 8$79 9$79 10$117 11$92 12$92 13$139 14$92 15$79 16$79 17$92 18$92 19$92 20$139 21$92 22$79 23$79 24$92 25$92 26$92 27$139 28$92 29$79 30$79 1$92 2$92 3$92 4$139

Limited Availability

11% of dates checked are available within 10% of the lowest price

Thursday, September 3rd, 2026

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