Phoenix to Seattle

PHXSEA

Fly from Phoenix to Seattle starting at USD 100 with Southwest Airlines.Best fare available on Sep 10, 2026.Limited seats. Better plans. Book before it's gone.

Phoenix to Seattle cheapest flights this week

3 Sept
Frontier Airlines
09:03PHX
15:28SEA
1 StopUSD 163VIEW DEAL
7 Sept
Alaska Airlines
06:02PHX
09:05SEA
DirectUSD 179VIEW DEAL
8 Sept
Frontier Airlines
14:04PHX
09:42SEA
1 StopUSD 135VIEW DEAL
8 Sept
Frontier Airlines
16:48PHX
15:08SEA
1 StopUSD 152VIEW DEAL
9 Sept
Southwest Airlines
18:15PHX
21:15SEA
DirectUSD 103VIEW DEAL
9 Sept
Frontier Airlines
06:25PHX
15:08SEA
1 StopUSD 130VIEW DEAL
10 Sept
Southwest Airlines
21:45PHX
00:45SEA
DirectUSD 100VIEW DEAL
11 Sept
Frontier Airlines
16:18PHX
18:36SEA
1 StopUSD 136VIEW DEAL
13 Sept
Frontier Airlines
17:23PHX
09:42SEA
1 StopUSD 148VIEW DEAL
14 Sept
Frontier Airlines
06:25PHX
18:36SEA
1 StopUSD 142VIEW DEAL

Phoenix to Seattle monthly flight fare trend

Sep
from USD 74
Oct
from USD 89
Nov
No flights
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

Flights from Phoenix

Flights from Phoenix to AtlantaFlights from Phoenix to AustinFlights from Phoenix to BostonFlights from Phoenix to CharlotteFlights from Phoenix to DenverFlights from Phoenix to DallasFlights from Phoenix to DetroitFlights from Phoenix to NewarkFlights from Phoenix to Fort LauderdaleFlights from Phoenix to Honolulu