$140 Cheap Frontier Airlines flights Seattle (SEA) to San Francisco (SFO)

$140 Cheap Frontier Airlines flights Seattle (SEA) to San Francisco (SFO)

Prices were available within the past 7 days and start at $140 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 15 - Tue, Jul 21

SEA

Seattle

SFO

San Francisco

$228 Roundtrip, found 1 day ago

$228

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 15 from Seattle to San Francisco, returning Tue, Jul 21, priced at $228 found 1 day ago

Mon, Jul 13 - Sat, Jul 25

SEA

Seattle

SFO

San Francisco

$248 Roundtrip, found 6 days ago

$248

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Jul 13 from Seattle to San Francisco, returning Sat, Jul 25, priced at $248 found 6 days ago

Wed, Jul 15 - Tue, Jul 21

SEA

Seattle

SFO

San Francisco

$268 Roundtrip, found 1 day ago

$268

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 15 from Seattle to San Francisco, returning Tue, Jul 21, priced at $268 found 1 day ago