$34 Cheap Frontier Airlines flights Seattle (SEA) to Phoenix (PHX)

$34 Cheap Frontier Airlines flights Seattle (SEA) to Phoenix (PHX)

Prices were available within the past 7 days and start at $34 for one-way flights and $68 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Dec 5 - Sat, Dec 6

SEA

Seattle

PHX

Phoenix

$68 Roundtrip, just found

$68

Roundtrip

just found

Select Frontier Airlines flight, departing Fri, Dec 5 from Seattle to Phoenix, returning Sat, Dec 6, priced at $68 just found

Fri, Nov 28 - Fri, Dec 5

SEA

Seattle

PHX

Phoenix

$70 Roundtrip, found 8 hours ago

$70

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Nov 28 from Seattle to Phoenix, returning Fri, Dec 5, priced at $70 found 8 hours ago

Sat, Jan 3 - Mon, Jan 12

SEA

Seattle

PHX

Phoenix

$78 Roundtrip, found 1 day ago

$78

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jan 3 from Seattle to Phoenix, returning Mon, Jan 12, priced at $78 found 1 day ago

Sat, Dec 6 - Fri, Dec 12

SEA

Seattle

PHX

Phoenix

$93 Roundtrip, just found

$93

Roundtrip

just found

Select Frontier Airlines flight, departing Sat, Dec 6 from Seattle to Phoenix, returning Fri, Dec 12, priced at $93 just found

Fri, Nov 28 - Thu, Dec 11

SEA

Seattle

PHX

Phoenix

$96 Roundtrip, found 8 hours ago

$96

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Nov 28 from Seattle to Phoenix, returning Thu, Dec 11, priced at $96 found 8 hours ago

Sun, Jan 18 - Thu, Jan 22

SEA

Seattle

PHX

Phoenix

$104 Roundtrip, found 1 day ago

$104

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jan 18 from Seattle to Phoenix, returning Thu, Jan 22, priced at $104 found 1 day ago