Portland to Seattle

PDXSEA

Fly from Portland to Seattle starting at USD 76 with Alaska Airlines.Best fare available on Jul 25, 2026.Limited seats. Better plans. Book before it's gone.

Portland to Seattle cheapest flights this week

20 Jul
Alaska Airlines
09:19PDX
10:21SEA
DirectUSD 156VIEW DEAL
22 Jul
Alaska Airlines
06:19PDX
07:17SEA
DirectUSD 98VIEW DEAL
23 Jul
Alaska Airlines
05:00PDX
05:53SEA
DirectUSD 83VIEW DEAL
23 Jul
Alaska Airlines
09:19PDX
10:21SEA
DirectUSD 83VIEW DEAL
24 Jul
Alaska Airlines
05:00PDX
05:53SEA
DirectUSD 192VIEW DEAL
25 Jul
Alaska Airlines
05:00PDX
05:53SEA
DirectUSD 152VIEW DEAL
25 Jul
Alaska Airlines
08:19PDX
09:14SEA
DirectUSD 76VIEW DEAL
28 Jul
Alaska Airlines
05:00PDX
05:53SEA
DirectUSD 154VIEW DEAL
29 Jul
Alaska Airlines
13:48PDX
14:43SEA
DirectUSD 158VIEW DEAL
3 Aug
Alaska Airlines
05:00PDX
05:53SEA
DirectUSD 160VIEW DEAL

Portland to Seattle monthly flight fare trend

Jul
from USD 76
Aug
from USD 160
Sep
from USD 121
Oct
No flights
Nov
No flights
Dec
No flights

Airport Details

Origin

Portland

Portland International Airport (PDX)

Portland, PDX
Zone

Los Angeles

Elev

31 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

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