Phoenix to Seattle

PHXSEA

Fly from Phoenix to Seattle starting at USD 74 with Frontier Airlines.Best fare available on Sep 21, 2026.Limited seats. Better plans. Book before it's gone.

Phoenix to Seattle cheapest flights this week

31 Jul
Frontier Airlines
18:53PHX
09:17SEA
1 StopUSD 164VIEW DEAL
2 Aug
Hawaiian Airlines
07:20PHX
10:29SEA
DirectUSD 132VIEW DEAL
3 Aug
Frontier Airlines
08:40PHX
09:17SEA
1 StopUSD 129VIEW DEAL
3 Aug
Alaska Airlines
11:23PHX
14:30SEA
DirectUSD 140VIEW DEAL
4 Aug
Alaska Airlines
18:53PHX
22:00SEA
DirectUSD 139VIEW DEAL
8 Aug
Alaska Airlines
18:53PHX
22:00SEA
DirectUSD 144VIEW DEAL
10 Aug
Alaska Airlines
09:10PHX
12:17SEA
DirectUSD 118VIEW DEAL
11 Aug
Alaska Airlines
18:53PHX
22:00SEA
DirectUSD 119VIEW DEAL
14 Aug
Alaska Airlines
18:53PHX
22:00SEA
DirectUSD 119VIEW DEAL
21 Sept
Frontier Airlines
17:23PHX
09:42SEA
1 StopUSD 74VIEW DEAL

Phoenix to Seattle monthly flight fare trend

Jul
from USD 164
Aug
from USD 118
Sep
from USD 74
Oct
No flights
Nov
No flights
Dec
from USD 176

Airport Details

Origin

Phoenix

Phoenix Sky Harbor International Airport (PHX)

Phoenix, PHX
Zone

Phoenix

Elev

1135 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

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