Seattle to Phoenix

SEAPHX

Fly from Seattle to Phoenix starting at USD 132 with Frontier Airlines.Best fare available on Aug 2, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Phoenix cheapest flights this week

6 Jul
Southwest Airlines
19:20SEA
07:05PHX
1 StopUSD 172VIEW DEAL
1 Aug
Alaska Airlines
20:50SEA
23:49PHX
DirectUSD 133VIEW DEAL
2 Aug
Frontier Airlines
20:53SEA
11:27PHX
1 StopUSD 132VIEW DEAL
17 Dec
Alaska Airlines
07:55SEA
10:58PHX
DirectUSD 141VIEW DEAL

Seattle to Phoenix monthly flight fare trend

Jul
from USD 172
Aug
from USD 132
Sep
No flights
Oct
No flights
Nov
No flights
Dec
from USD 141

Airport Details

Origin

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Destination

Phoenix

Phoenix Sky Harbor International Airport (PHX)

Phoenix, PHX
Zone

Phoenix

Elev

1135 ft

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