$99 Cheap Frontier Airlines flights Phoenix (PHX) to Seattle (SEA)

$99 Cheap Frontier Airlines flights Phoenix (PHX) to Seattle (SEA)

Prices were available within the past 7 days and start at $99 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Apr 24 - Tue, Apr 28

PHX

Phoenix

SEA

Seattle

$170 Roundtrip, found 8 hours ago

$170

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Apr 24 from Phoenix to Seattle, returning Tue, Apr 28, priced at $170 found 8 hours ago

Sat, Apr 4 - Fri, Apr 10

PHX

Phoenix

SEA

Seattle

$178 Roundtrip, found 5 days ago

$178

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Apr 4 from Phoenix to Seattle, returning Fri, Apr 10, priced at $178 found 5 days ago

Sat, Apr 4 - Sat, Apr 11

PHX

Phoenix

SEA

Seattle

$183 Roundtrip, found 5 days ago

$183

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Apr 4 from Phoenix to Seattle, returning Sat, Apr 11, priced at $183 found 5 days ago

Sat, Apr 4 - Sat, Apr 18

PHX

Phoenix

SEA

Seattle

$184 Roundtrip, found 5 days ago

$184

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Apr 4 from Phoenix to Seattle, returning Sat, Apr 18, priced at $184 found 5 days ago

Sat, Apr 25 - Tue, Apr 28

PHX

Phoenix

SEA

Seattle

$190 Roundtrip, found 8 hours ago

$190

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sat, Apr 25 from Phoenix to Seattle, returning Tue, Apr 28, priced at $190 found 8 hours ago

Tue, Apr 7 - Fri, Apr 10

PHX

Phoenix

SEA

Seattle

$205 Roundtrip, found 5 days ago

$205

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Apr 7 from Phoenix to Seattle, returning Fri, Apr 10, priced at $205 found 5 days ago