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

17 Aug
Alaska Airlines
20:50SEA
23:49PHX
DirectUSD 118VIEW DEAL
19 Aug
Frontier Airlines
19:06SEA
07:40PHX
1 StopUSD 158VIEW DEAL
24 Aug
Frontier Airlines
19:06SEA
13:17PHX
1 StopUSD 173VIEW DEAL
28 Aug
Frontier Airlines
13:35SEA
21:28PHX
1 StopUSD 139VIEW DEAL
29 Aug
Frontier Airlines
14:37SEA
21:28PHX
1 StopUSD 119VIEW DEAL
10 Sept
Frontier Airlines
21:16SEA
10:49PHX
1 StopUSD 54VIEW DEAL
9 Oct
Southwest Airlines
18:50SEA
21:40PHX
DirectUSD 113VIEW DEAL
11 Oct
Frontier Airlines
20:00SEA
00:10PHX
1 StopUSD 107VIEW DEAL
17 Dec
Alaska Airlines
07:55SEA
10:58PHX
DirectUSD 141VIEW DEAL
5 Mar
Alaska Airlines
18:57SEA
22:01PHX
DirectUSD 146VIEW DEAL

Seattle to Phoenix monthly flight fare trend

Aug
from USD 118
Sep
from USD 54
Oct
from USD 107
Nov
No flights
Dec
from USD 141
Jan
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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