$99 Cheap United flights Seattle (SEA) to San Francisco (SFO)

$99 Cheap United flights Seattle (SEA) to San Francisco (SFO)

Prices were available within the past 7 days and start at $99 for one-way flights and $221 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Mar 6 - Wed, Mar 18

SEA

Seattle

SFO

San Francisco

$221 Roundtrip, found 1 day ago

$221

Roundtrip

found 1 day ago

Select United flight, departing Fri, Mar 6 from Seattle to San Francisco, returning Wed, Mar 18, priced at $221 found 1 day ago

Fri, Mar 6 - Wed, Mar 18

SEA

Seattle

SFO

San Francisco

$239 Roundtrip, found 1 day ago

$239

Roundtrip

found 1 day ago

Select United flight, departing Fri, Mar 6 from Seattle to San Francisco, returning Wed, Mar 18, priced at $239 found 1 day ago