$100 Cheap Frontier Airlines flights San Francisco (SFO) to Seattle (SEA)

$100 Cheap Frontier Airlines flights San Francisco (SFO) to Seattle (SEA)

Prices were available within the past 7 days and start at $100 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 14 - Wed, Jul 22

SFO

San Francisco

SEA

Seattle

$228 Roundtrip, found 5 hours ago

$228

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Tue, Jul 14 from San Francisco to Seattle, returning Wed, Jul 22, priced at $228 found 5 hours ago

Tue, Jun 30 - Mon, Jul 6

SFO

San Francisco

SEA

Seattle

$233 Roundtrip, found 1 day ago

$233

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 30 from San Francisco to Seattle, returning Mon, Jul 6, priced at $233 found 1 day ago

Tue, Jul 14 - Wed, Jul 22

SFO

San Francisco

SEA

Seattle

$234 Roundtrip, found 5 hours ago

$234

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Tue, Jul 14 from San Francisco to Seattle, returning Wed, Jul 22, priced at $234 found 5 hours ago

Mon, Jun 29 - Mon, Jul 6

SFO

San Francisco

SEA

Seattle

$238 Roundtrip, found 1 day ago

$238

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 29 from San Francisco to Seattle, returning Mon, Jul 6, priced at $238 found 1 day ago

Tue, Jul 14 - Wed, Jul 22

SFO

San Francisco

SEA

Seattle

$254 Roundtrip, found 5 hours ago

$254

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Tue, Jul 14 from San Francisco to Seattle, returning Wed, Jul 22, priced at $254 found 5 hours ago

Wed, Jun 17 - Thu, Jun 25

SFO

San Francisco

SEA

Seattle

$259 Roundtrip, found 1 day ago

$259

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 17 from San Francisco to Seattle, returning Thu, Jun 25, priced at $259 found 1 day ago