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

20 Aug
United Airlines
09:23PHX
15:52SEA
1 StopUSD 130VIEW DEAL
23 Aug
Alaska Airlines
06:02PHX
09:05SEA
DirectUSD 130VIEW DEAL
23 Aug
Frontier Airlines
16:48PHX
09:19SEA
1 StopUSD 184VIEW DEAL
26 Aug
Frontier Airlines
08:35PHX
09:19SEA
1 StopUSD 155VIEW DEAL
9 Sept
Southwest Airlines
18:15PHX
21:15SEA
DirectUSD 103VIEW DEAL
10 Sept
Southwest Airlines
21:45PHX
00:45SEA
DirectUSD 100VIEW DEAL
21 Sept
Frontier Airlines
17:23PHX
09:42SEA
1 StopUSD 74VIEW DEAL
14 Oct
Frontier Airlines
14:00PHX
18:45SEA
1 StopUSD 89VIEW DEAL
30 Dec
Alaska Airlines
12:00PHX
17:41SEA
1 StopUSD 176VIEW DEAL
4 Jan
Southwest Airlines
22:30PHX
01:40SEA
DirectUSD 165VIEW DEAL

Phoenix to Seattle monthly flight fare trend

Aug
from USD 130
Sep
from USD 74
Oct
from USD 89
Nov
No flights
Dec
from USD 176
Jan
from USD 165

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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