$120 Cheap Frontier Airlines flights San Francisco (SFO) to Seattle (SEA)

$120 Cheap Frontier Airlines flights San Francisco (SFO) to Seattle (SEA)

Prices were available within the past 7 days and start at $120 for one-way flights and $150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 6 - Sat, May 23

SFO

San Francisco

SEA

Seattle

$150 Roundtrip, found 5 days ago

$150

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, May 6 from San Francisco to Seattle, returning Sat, May 23, priced at $150 found 5 days ago

Sat, May 16 - Mon, Jun 1

SFO

San Francisco

SEA

Seattle

$170 Roundtrip, found 5 days ago

$170

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 16 from San Francisco to Seattle, returning Mon, Jun 1, priced at $170 found 5 days ago

Sat, May 9 - Thu, May 28

SFO

San Francisco

SEA

Seattle

$190 Roundtrip, found 5 days ago

$190

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 9 from San Francisco to Seattle, returning Thu, May 28, priced at $190 found 5 days ago

Sat, May 16 - Wed, Jun 3

SFO

San Francisco

SEA

Seattle

$191 Roundtrip, found 5 days ago

$191

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 16 from San Francisco to Seattle, returning Wed, Jun 3, priced at $191 found 5 days ago

Mon, Jun 8 - Tue, Jun 23

SFO

San Francisco

SEA

Seattle

$195 Roundtrip, found 1 day ago

$195

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 8 from San Francisco to Seattle, returning Tue, Jun 23, priced at $195 found 1 day ago

Wed, Jun 17 - Tue, Jun 23

SFO

San Francisco

SEA

Seattle

$200 Roundtrip, found 1 day ago

$200

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 17 from San Francisco to Seattle, returning Tue, Jun 23, priced at $200 found 1 day ago

Mon, Jun 8 - Thu, Jun 25

SFO

San Francisco

SEA

Seattle

$215 Roundtrip, found 1 day ago

$215

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 8 from San Francisco to Seattle, returning Thu, Jun 25, priced at $215 found 1 day ago

Wed, May 27 - Wed, Jun 17

SFO

San Francisco

SEA

Seattle

$216 Roundtrip, found 5 days ago

$216

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, May 27 from San Francisco to Seattle, returning Wed, Jun 17, priced at $216 found 5 days ago

Wed, Jun 17 - Thu, Jun 25

SFO

San Francisco

SEA

Seattle

$220 Roundtrip, found 1 day ago

$220

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 17 from San Francisco to Seattle, returning Thu, Jun 25, priced at $220 found 1 day ago

Mon, Apr 13 - Tue, Apr 28

SFO

San Francisco

SEA

Seattle

$225 Roundtrip, found 5 days ago

$225

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Apr 13 from San Francisco to Seattle, returning Tue, Apr 28, priced at $225 found 5 days ago

Mon, Jun 8 - Sun, Jun 28

SFO

San Francisco

SEA

Seattle

$235 Roundtrip, found 1 day ago

$235

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 8 from San Francisco to Seattle, returning Sun, Jun 28, priced at $235 found 1 day ago