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

Home Premium Fare Deals About

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

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$132 1$132 2$132 3$132 4$142 5$132 6$154 7$132 8$132 9$132 10$132 11$142 12$132 13$154 14$132 15$132 16$132 17$132 18$142 19$132 20$154 21$132 22$132 23$309 24$132 25$142 26$132 27$154 28$132 29$132 30$132 31$132 1$142 2$132 3$211

Limited Availability

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

Tuesday, December 29th, 2026

Outbound Flights

·

→

·

→

·

→