$91 Cheap Frontier Airlines flights Phoenix (PHX) to Seattle (SEA)

$91 Cheap Frontier Airlines flights Phoenix (PHX) to Seattle (SEA)

Prices were available within the past 7 days and start at $91 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 13 - Sun, May 24

PHX

Phoenix

SEA

Seattle

$170 Roundtrip, found 1 day ago

$170

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, May 13 from Phoenix to Seattle, returning Sun, May 24, priced at $170 found 1 day ago

Fri, Apr 24 - Mon, Apr 27

PHX

Phoenix

SEA

Seattle

$189 Roundtrip, found 1 day ago

$189

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Apr 24 from Phoenix to Seattle, returning Mon, Apr 27, priced at $189 found 1 day ago

Sat, May 16 - Sun, May 24

PHX

Phoenix

SEA

Seattle

$190 Roundtrip, found 1 day ago

$190

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 16 from Phoenix to Seattle, returning Sun, May 24, priced at $190 found 1 day ago

Wed, May 13 - Fri, May 22

PHX

Phoenix

SEA

Seattle

$195 Roundtrip, found 1 day ago

$195

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, May 13 from Phoenix to Seattle, returning Fri, May 22, priced at $195 found 1 day ago

Fri, May 15 - Tue, May 19

PHX

Phoenix

SEA

Seattle

$209 Roundtrip, found 3 days ago

$209

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, May 15 from Phoenix to Seattle, returning Tue, May 19, priced at $209 found 3 days ago

Mon, May 11 - Wed, May 13

PHX

Phoenix

SEA

Seattle

$210 Roundtrip, found 1 day ago

$210

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 11 from Phoenix to Seattle, returning Wed, May 13, priced at $210 found 1 day ago