Phoenix to Seattle
PHXSEA
Fly from Phoenix to Seattle starting at USD 146 with Southwest Airlines.
Best fare available on Jul 3, 2026.
Limited seats. Better plans. Book before it's gone.
Phoenix to Seattle cheapest flights this week
Phoenix to Seattle monthly flight fare trend
Jul
from USD 146
Aug
No flights
Sep
No flights
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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