Cheap flights from San Francisco to North Seattle

View AU$104 flight on Wed, 20 Aug. 2025Opens in a new window

Popular airlines from San Francisco to North Seattle

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from San Francisco (SJC) to North Seattle (SEA)

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
Tue, 19 Aug. - Wed, 20 Aug.
SFO
San Francisco
SEA
Seattle
AU$208 Return, found 1 hour ago
AU$208
Return
found 1 hour ago
Select Alaska Airlines flight, departing Tue, 19 Aug. from San Francisco to Seattle, returning Wed, 20 Aug., priced at AU$208 found 1 hour ago
Delta
Tue, 19 Aug. - Wed, 20 Aug.
SFO
San Francisco
SEA
Seattle
AU$209 Return, found 1 hour ago
AU$209
Return
found 1 hour ago
Select Delta flight, departing Tue, 19 Aug. from San Francisco to Seattle, returning Wed, 20 Aug., priced at AU$209 found 1 hour ago
Alaska Airlines
Sat, 13 Sep. - Sat, 20 Sep.
SFO
San Francisco
PAE
Seattle
AU$210 Return, found 1 day ago
AU$210
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 13 Sep. from San Francisco to Seattle, returning Sat, 20 Sep., priced at AU$210 found 1 day ago
Delta
Sat, 13 Sep. - Sat, 20 Sep.
SFO
San Francisco
SEA
Seattle
AU$211 Return, found 1 day ago
AU$211
Return
found 1 day ago
Select Delta flight, departing Sat, 13 Sep. from San Francisco to Seattle, returning Sat, 20 Sep., priced at AU$211 found 1 day ago
American Airlines
Wed, 3 Sep. - Thu, 4 Sep.
SFO
San Francisco
SEA
Seattle
AU$252 Return, found 5 days ago
AU$252
Return
found 5 days ago
Select American Airlines flight, departing Wed, 3 Sep. from San Francisco to Seattle, returning Thu, 4 Sep., priced at AU$252 found 5 days ago
United
Tue, 19 Aug. - Wed, 20 Aug.
SFO
San Francisco
SEA
Seattle
AU$316 Return, found 1 hour ago
AU$316
Return
found 1 hour ago
Select United flight, departing Tue, 19 Aug. from San Francisco to Seattle, returning Wed, 20 Aug., priced at AU$316 found 1 hour ago

Find the cheapest month to fly from San Francisco (SFO) to Seattle (SEA)

January is typically the cheapest month to fly

From AU$148 - AU$314 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.