$105 Cheap Frontier Airlines flights San Francisco (SFO) to Seattle (SEA)

$105 Cheap Frontier Airlines flights San Francisco (SFO) to Seattle (SEA)

Prices were available within the past 7 days and start at $105 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 25 - Mon, Sep 22

SFO

San Francisco

SEA

Seattle

$189 Roundtrip, found 15 hours ago

$189

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Aug 25 from San Francisco to Seattle, returning Mon, Sep 22, priced at $189 found 15 hours ago

Sat, May 17 - Tue, May 20

SFO

San Francisco

SEA

Seattle

$206 Roundtrip, found 1 day ago

$206

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 17 from San Francisco to Seattle, returning Tue, May 20, priced at $206 found 1 day ago

Sat, May 17 - Sun, May 25

SFO

San Francisco

SEA

Seattle

$209 Roundtrip, found 1 day ago

$209

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 17 from San Francisco to Seattle, returning Sun, May 25, priced at $209 found 1 day ago

Thu, May 15 - Tue, May 20

SFO

San Francisco

SEA

Seattle

$216 Roundtrip, found 1 day ago

$216

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from San Francisco to Seattle, returning Tue, May 20, priced at $216 found 1 day ago

Thu, May 15 - Sun, May 25

SFO

San Francisco

SEA

Seattle

$219 Roundtrip, found 1 day ago

$219

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from San Francisco to Seattle, returning Sun, May 25, priced at $219 found 1 day ago

Thu, May 15 - Mon, May 19

SFO

San Francisco

SEA

Seattle

$226 Roundtrip, found 1 day ago

$226

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from San Francisco to Seattle, returning Mon, May 19, priced at $226 found 1 day ago