Portland to Seattle

PDXSEA

Fly from Portland to Seattle starting at SAR 400 with Alaska Airlines.Best fare available on Sep 7, 2026.Limited seats. Better plans. Book before it's gone.

Portland to Seattle cheapest flights this week

3 Sept
Alaska Airlines
21:32PDX
22:39SEA
DirectSAR 1,351VIEW DEAL
4 Sept
Alaska Airlines
06:20PDX
07:20SEA
DirectSAR 426VIEW DEAL
7 Sept
Alaska Airlines
08:07PDX
09:03SEA
DirectSAR 400VIEW DEAL
7 Sept
Alaska Airlines
11:48PDX
12:50SEA
DirectSAR 703VIEW DEAL
8 Sept
Alaska Airlines
21:32PDX
22:39SEA
DirectSAR 703VIEW DEAL
9 Sept
Alaska Airlines
06:20PDX
07:20SEA
DirectSAR 766VIEW DEAL
10 Sept
Alaska Airlines
17:41PDX
18:51SEA
DirectSAR 426VIEW DEAL
10 Sept
Alaska Airlines
21:34PDX
22:41SEA
DirectSAR 681VIEW DEAL
11 Sept
Alaska Airlines
10:30PDX
11:45SEA
DirectSAR 488VIEW DEAL
11 Sept
Alaska Airlines
17:41PDX
18:51SEA
DirectSAR 426VIEW DEAL

Portland to Seattle monthly flight fare trend

Sep
from SAR 400
Oct
from SAR 518
Nov
No flights
Dec
No flights
Jan
No flights
Feb
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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