$49 Cheap Frontier Airlines flights Seattle (SEA) to Phoenix (PHX)

$49 Cheap Frontier Airlines flights Seattle (SEA) to Phoenix (PHX)

Prices were available within the past 7 days and start at $49 for one-way flights and $88 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 17 - Tue, May 20

SEA

Seattle

PHX

Phoenix

$88 Roundtrip, found 6 days ago

$88

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, May 17 from Seattle to Phoenix, returning Tue, May 20, priced at $88 found 6 days ago

Sat, May 31 - Wed, Jun 11

SEA

Seattle

PHX

Phoenix

$93 Roundtrip, found 5 days ago

$93

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 31 from Seattle to Phoenix, returning Wed, Jun 11, priced at $93 found 5 days ago

Wed, Jun 18 - Wed, Jun 25

SEA

Seattle

PHX

Phoenix

$98 Roundtrip, found 5 hours ago

$98

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Wed, Jun 18 from Seattle to Phoenix, returning Wed, Jun 25, priced at $98 found 5 hours ago

Wed, Jun 18 - Thu, Jun 19

SEA

Seattle

PHX

Phoenix

$108 Roundtrip, found 5 hours ago

$108

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Wed, Jun 18 from Seattle to Phoenix, returning Thu, Jun 19, priced at $108 found 5 hours ago

Sat, May 17 - Thu, May 22

SEA

Seattle

PHX

Phoenix

$113 Roundtrip, found 6 days ago

$113

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, May 17 from Seattle to Phoenix, returning Thu, May 22, priced at $113 found 6 days ago

Wed, Jun 11 - Wed, Jun 18

SEA

Seattle

PHX

Phoenix

$117 Roundtrip, found 15 hours ago

$117

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Seattle to Phoenix, returning Wed, Jun 18, priced at $117 found 15 hours ago