United States Β· 129 miles (207 km)

Seattle (SEA) to Portland (PDX) flights

2 airlines fly nonstop from Seattle (SEA) to Portland (PDX): Alaska Airlines and Delta Air Lines. The two airports are 129 miles (207 km) apart. Alaska Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 13 ways to fly it with one stop, through Wenatchee, Bellingham and Eugene and more.

Airlines flying nonstop from SEA to PDX

  • Alaska Airlines logo
    Alaska Airlinesoneworld Β· bookable with 9 programsWho books it
  • Delta Air Lines logo
    Delta Air LinesSkyTeam Β· bookable with 8 programsWho books it

Book SEA to PDX with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

SEA to PDX with one stop

13 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Wenatchee (EAT)Alaska Airlines the whole way
    Alaska Airlines logo
    Alaska Airlines logo
  • Via Bellingham (BLI)Alaska Airlines the whole way
    Alaska Airlines logo
    Alaska Airlines logo
  • Via Eugene (EUG)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Redmond (RDM)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Pasco (PSC)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Vancouver (YVR)Air Canada and Alaska Airlines the whole way
    Air Canada logo
    Alaska Airlines logo
    Delta Air Lines logo
    Air Canada logo
    Alaska Airlines logo
  • Via Spokane (GEG)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Medford (MFR)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Boise (BOI)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Missoula (MSO)Alaska Airlines the whole way
    Alaska Airlines logo
    Alaska Airlines logo
  • Via Kalispell (FCA)Alaska Airlines the whole way
    Alaska Airlines logo
    Alaska Airlines logo
  • Via Calgary (YYC)WestJet the whole way
    Alaska Airlines logo
    WestJet logo
    WestJet logo
  • Via Reno (RNO)Alaska Airlines the whole way
    Alaska Airlines logo
    Alaska Airlines logo

SEA to PDX: common questions

Which airlines fly nonstop from SEA to PDX?

Alaska Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Seattle (SEA) to Portland (PDX).

How far is Seattle from Portland by plane?

Seattle (SEA) and Portland (PDX) are 129 miles (207 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book SEA to PDX award flights?

17 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does SEA to PDX cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to PDX with taxes and fees.

Where can I connect between Seattle and Portland?

The most direct connections are through Wenatchee (EAT), Bellingham (BLI), Eugene (EUG), Redmond (RDM) and Pasco (PSC). On 13 of them the same airline flies both flights, for example Alaska Airlines through Wenatchee.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.