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

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

Prices were available within the past 7 days and start at for one-way flights and $316 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 25 - Mon, Jul 28

SEA

Seattle

SFO

San Francisco

$316 Roundtrip, found 5 hours ago

$316

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Seattle to San Francisco, returning Mon, Jul 28, priced at $316 found 5 hours ago

Fri, Jul 25 - Sat, Jul 26

SEA

Seattle

SFO

San Francisco

$344 Roundtrip, found 5 hours ago

$344

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Seattle to San Francisco, returning Sat, Jul 26, priced at $344 found 5 hours ago