$72 Cheap Frontier Airlines flights Seattle (SEA) to Phoenix (PHX)

$72 Cheap Frontier Airlines flights Seattle (SEA) to Phoenix (PHX)

Prices were available within the past 7 days and start at $72 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 15 - Sun, Sep 21

SEA

Seattle

PHX

Phoenix

$128 Roundtrip, found 4 days ago

$128

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Sep 15 from Seattle to Phoenix, returning Sun, Sep 21, priced at $128 found 4 days ago

Mon, Sep 15 - Fri, Sep 19

SEA

Seattle

PHX

Phoenix

$142 Roundtrip, found 4 days ago

$142

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Sep 15 from Seattle to Phoenix, returning Fri, Sep 19, priced at $142 found 4 days ago

Fri, Sep 5 - Sun, Sep 14

SEA

Seattle

PHX

Phoenix

$144 Roundtrip, just found

$144

Roundtrip

just found

Select Frontier Airlines flight, departing Fri, Sep 5 from Seattle to Phoenix, returning Sun, Sep 14, priced at $144 just found

Mon, Sep 15 - Thu, Sep 18

SEA

Seattle

PHX

Phoenix

$160 Roundtrip, found 3 days ago

$160

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Sep 15 from Seattle to Phoenix, returning Thu, Sep 18, priced at $160 found 3 days ago

Thu, Sep 4 - Sun, Sep 14

SEA

Seattle

PHX

Phoenix

$161 Roundtrip, just found

$161

Roundtrip

just found

Select Frontier Airlines flight, departing Thu, Sep 4 from Seattle to Phoenix, returning Sun, Sep 14, priced at $161 just found

Tue, Sep 2 - Sun, Sep 14

SEA

Seattle

PHX

Phoenix

$179 Roundtrip, just found

$179

Roundtrip

just found

Select Frontier Airlines flight, departing Tue, Sep 2 from Seattle to Phoenix, returning Sun, Sep 14, priced at $179 just found