United States · 1,922 miles (3,093 km)

Detroit (DTW) to Seattle (SEA) flights

2 airlines fly nonstop from Detroit (DTW) to Seattle (SEA): Alaska Airlines and Delta Air Lines. The two airports are 1,922 miles (3,093 km) apart. Alaska Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 54 ways to fly it with one stop, through Minneapolis, Milwaukee and Bozeman and more.

Airlines flying nonstop from DTW to SEA

Book DTW to SEA with points

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

DTW to SEA with one stop

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

  • Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
    Delta Air Lines logo
    Sun Country Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
  • Via Milwaukee (MKE)Delta Air Lines, then Alaska Airlines
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Bozeman (BZN)Delta Air Lines the whole way
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Chicago (ORD)American Airlines, Delta Air Lines and 1 more the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +1
  • Via Chicago (MDW)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Cedar Rapids (CID)Delta Air Lines, then American Airlines
    Delta Air Lines logo
    American Airlines logo
  • Via Omaha (OMA)Delta Air Lines, then Alaska Airlines
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Calgary (YYC)WestJet the whole way
    WestJet logo
    Alaska Airlines logo
    WestJet logo
  • Via Portland (PDX)Delta Air Lines the whole way
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Vancouver (YVR)WestJet, then Air Canada, Alaska Airlines and 1 more
    WestJet logo
    Air Canada logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Indianapolis (IND)Delta Air Lines, then Alaska Airlines and American Airlines
    Delta Air Lines logo
    Alaska Airlines logo
    American Airlines logo
  • Via Cleveland (CLE)Delta Air Lines, then Alaska Airlines
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Kansas City (MCI)Delta Air Lines the whole way
    Delta Air Lines logo
    Alaska Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
  • Via Denver (DEN)Delta Air Lines, Frontier Airlines and 2 more the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    United Airlines logo
    +1
    Alaska Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    +3
  • Via Saint Louis (STL)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
See all 54 in Routes

DTW to SEA: common questions

Which airlines fly nonstop from DTW to SEA?

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

How far is Detroit from Seattle by plane?

Detroit (DTW) and Seattle (SEA) are 1,922 miles (3,093 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book DTW to SEA 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 DTW to SEA cost?

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

Where can I connect between Detroit and Seattle?

The most direct connections are through Minneapolis (MSP), Milwaukee (MKE), Bozeman (BZN), Chicago (ORD) and Chicago (MDW). On 40 of them the same airline flies both flights, for example Delta Air Lines through Minneapolis.

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.