Seattle to Phoenix

SEAPHX

Fly from Seattle to Phoenix starting at USD 107 with Frontier Airlines.Best fare available on Oct 11, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Phoenix cheapest flights this week

27 Sept
Frontier Airlines
21:45SEA
12:22PHX
1 StopUSD 194VIEW DEAL
28 Sept
Frontier Airlines
21:45SEA
11:59PHX
1 StopUSD 163VIEW DEAL
30 Sept
Frontier Airlines
16:27SEA
23:43PHX
1 StopUSD 176VIEW DEAL
1 Oct
Frontier Airlines
16:27SEA
23:43PHX
1 StopUSD 185VIEW DEAL
3 Oct
Frontier Airlines
16:27SEA
23:43PHX
1 StopUSD 206VIEW DEAL
9 Oct
Southwest Airlines
18:50SEA
21:40PHX
DirectUSD 113VIEW DEAL
10 Oct
Southwest Airlines
05:25SEA
08:10PHX
DirectUSD 162VIEW DEAL
11 Oct
Frontier Airlines
20:00SEA
00:10PHX
1 StopUSD 107VIEW DEAL
12 Oct
Alaska Airlines
20:58SEA
23:52PHX
DirectUSD 169VIEW DEAL
21 Oct
Frontier Airlines
20:00SEA
00:10PHX
1 StopUSD 112VIEW DEAL

Seattle to Phoenix monthly flight fare trend

Sep
from USD 163
Oct
from USD 107
Nov
No flights
Dec
from USD 141
Jan
No flights
Feb
No flights

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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