Phoenix to Seattle

PHXSEA

Fly from Phoenix to Seattle starting at USD 89 with Frontier Airlines.Best fare available on Oct 14, 2026.Limited seats. Better plans. Book before it's gone.

Phoenix to Seattle cheapest flights this week

28 Sept
Frontier Airlines
08:00PHX
18:28SEA
1 StopUSD 118VIEW DEAL
28 Sept
Frontier Airlines
17:23PHX
09:42SEA
1 StopUSD 163VIEW DEAL
1 Oct
Frontier Airlines
09:15PHX
15:08SEA
1 StopUSD 185VIEW DEAL
2 Oct
Frontier Airlines
08:27PHX
18:28SEA
1 StopUSD 190VIEW DEAL
14 Oct
Frontier Airlines
14:00PHX
18:45SEA
1 StopUSD 89VIEW DEAL
14 Oct
Southwest Airlines
15:40PHX
18:45SEA
DirectUSD 120VIEW DEAL
6 Nov
Frontier Airlines
19:32PHX
11:59SEA
1 StopUSD 92VIEW DEAL
10 Dec
Frontier Airlines
21:22PHX
20:40SEA
1 StopUSD 114VIEW DEAL
28 Dec
United Airlines
17:13PHX
22:59SEA
1 StopUSD 219VIEW DEAL
30 Dec
Alaska Airlines
12:00PHX
17:41SEA
1 StopUSD 176VIEW DEAL

Phoenix to Seattle monthly flight fare trend

Sep
from USD 118
Oct
from USD 89
Nov
from USD 92
Dec
from USD 114
Jan
from USD 122
Feb
from USD 106

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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