Phoenix to Seattle

PHXSEA

Fly from Phoenix to Seattle starting at USD 84 with Southwest Airlines.Best fare available on Dec 31, 2026.Limited seats. Better plans. Book before it's gone.

Phoenix to Seattle cheapest flights this week

12 Oct
Frontier Airlines
16:23PHX
18:45SEA
1 StopUSD 185VIEW 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
30 Dec
Frontier Airlines
13:25PHX
20:46SEA
1 StopUSD 163VIEW DEAL
31 Dec
Southwest Airlines
16:15PHX
22:30SEA
1 StopUSD 84VIEW DEAL
4 Jan
Southwest Airlines
22:30PHX
01:40SEA
DirectUSD 144VIEW DEAL

Phoenix to Seattle monthly flight fare trend

Oct
from USD 89
Nov
from USD 92
Dec
from USD 84
Jan
from USD 122
Feb
from USD 106
Mar
from USD 153

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