$580 Cheap Frontier Airlines flights San Francisco (SFO) to Seattle (SEA)

$580 Cheap Frontier Airlines flights San Francisco (SFO) to Seattle (SEA)

Prices were available within the past 7 days and start at $580 for one-way flights and $302 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 17 - Thu, Jan 8

SFO

San Francisco

SEA

Seattle

$302 Roundtrip, found 1 day ago

$302

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 17 from San Francisco to Seattle, returning Thu, Jan 8, priced at $302 found 1 day ago

Wed, Dec 17 - Tue, Jan 6

SFO

San Francisco

SEA

Seattle

$303 Roundtrip, found 1 day ago

$303

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 17 from San Francisco to Seattle, returning Tue, Jan 6, priced at $303 found 1 day ago

Wed, Dec 17 - Thu, Dec 25

SFO

San Francisco

SEA

Seattle

$353 Roundtrip, found 1 day ago

$353

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 17 from San Francisco to Seattle, returning Thu, Dec 25, priced at $353 found 1 day ago