$45 Cheap Frontier Airlines flights Seattle (SEA) to Phoenix (PHX)

$45 Cheap Frontier Airlines flights Seattle (SEA) to Phoenix (PHX)

Prices were available within the past 7 days and start at $45 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 12 - Thu, Jan 15

SEA

Seattle

PHX

Phoenix

$58 Roundtrip, just found

$58

Roundtrip

just found

Select Frontier Airlines flight, departing Mon, Jan 12 from Seattle to Phoenix, returning Thu, Jan 15, priced at $58 just found

Sat, Jan 10 - Thu, Jan 15

SEA

Seattle

PHX

Phoenix

$68 Roundtrip, just found

$68

Roundtrip

just found

Select Frontier Airlines flight, departing Sat, Jan 10 from Seattle to Phoenix, returning Thu, Jan 15, priced at $68 just found

Sat, Mar 7 - Sat, Mar 14

SEA

Seattle

PHX

Phoenix

$73 Roundtrip, found 6 days ago

$73

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Mar 7 from Seattle to Phoenix, returning Sat, Mar 14, priced at $73 found 6 days ago

Sun, Feb 22 - Fri, Feb 27

SEA

Seattle

PHX

Phoenix

$78 Roundtrip, found 4 days ago

$78

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Feb 22 from Seattle to Phoenix, returning Fri, Feb 27, priced at $78 found 4 days ago

Mon, Jan 5 - Thu, Jan 15

SEA

Seattle

PHX

Phoenix

$79 Roundtrip, found 4 hours ago

$79

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Mon, Jan 5 from Seattle to Phoenix, returning Thu, Jan 15, priced at $79 found 4 hours ago

Fri, Mar 6 - Tue, Mar 10

SEA

Seattle

PHX

Phoenix

$82 Roundtrip, found 6 days ago

$82

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Mar 6 from Seattle to Phoenix, returning Tue, Mar 10, priced at $82 found 6 days ago