Portland to Seattle

PDXSEA

Fly from Portland to Seattle starting at USD 108 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

2 Sept
Alaska Airlines
05:07PDX
06:00SEA
DirectUSD 126VIEW DEAL
4 Sept
Alaska Airlines
06:20PDX
07:20SEA
DirectUSD 115VIEW DEAL
7 Sept
Alaska Airlines
08:07PDX
09:03SEA
DirectUSD 108VIEW DEAL
7 Sept
Alaska Airlines
11:48PDX
12:50SEA
DirectUSD 190VIEW DEAL
8 Sept
Alaska Airlines
21:32PDX
22:39SEA
DirectUSD 190VIEW DEAL
9 Sept
Alaska Airlines
06:20PDX
07:20SEA
DirectUSD 207VIEW DEAL
10 Sept
Alaska Airlines
17:41PDX
18:51SEA
DirectUSD 115VIEW DEAL
10 Sept
Alaska Airlines
21:34PDX
22:41SEA
DirectUSD 184VIEW DEAL
11 Sept
Alaska Airlines
10:30PDX
11:45SEA
DirectUSD 132VIEW DEAL
11 Sept
Alaska Airlines
17:41PDX
18:51SEA
DirectUSD 115VIEW DEAL

Portland to Seattle monthly flight fare trend

Sep
from USD 108
Oct
from USD 140
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

Flights from Portland

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