Seattle to Phoenix

SEAPHX

Fly from Seattle to Phoenix starting at USD 54 with Frontier Airlines.Best fare available on Sep 10, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Phoenix cheapest flights this week

23 Jul
Alaska Airlines
20:50SEA
23:49PHX
DirectUSD 127VIEW DEAL
23 Jul
Alaska Airlines
16:55SEA
19:53PHX
DirectUSD 154VIEW DEAL
26 Jul
Frontier Airlines
20:53SEA
11:27PHX
1 StopUSD 165VIEW DEAL
29 Jul
Frontier Airlines
20:13SEA
11:27PHX
1 StopUSD 141VIEW DEAL
1 Aug
Alaska Airlines
20:50SEA
23:49PHX
DirectUSD 133VIEW DEAL
2 Aug
Frontier Airlines
20:53SEA
11:27PHX
1 StopUSD 132VIEW DEAL
3 Aug
Hawaiian Airlines
20:50SEA
23:49PHX
DirectUSD 157VIEW DEAL
17 Aug
Alaska Airlines
20:50SEA
23:49PHX
DirectUSD 118VIEW DEAL
10 Sept
Frontier Airlines
21:16SEA
10:49PHX
1 StopUSD 54VIEW DEAL
17 Dec
Alaska Airlines
07:55SEA
10:58PHX
DirectUSD 141VIEW DEAL

Seattle to Phoenix monthly flight fare trend

Jul
from USD 127
Aug
from USD 118
Sep
from USD 54
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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