Seattle (SEA) to Detroit (DTW) flights
2 airlines fly nonstop from Seattle (SEA) to Detroit (DTW): 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 53 ways to fly it with one stop, through Minneapolis, Milwaukee and Bozeman and more.
Airlines flying nonstop from SEA to DTW
- Alaska Airlinesoneworld · bookable with 9 programsWho books it

- Delta Air LinesSkyTeam · bookable with 8 programsWho books it

Book SEA to DTW with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks Alaska Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
SEA to DTW with one stop
53 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





- Via Milwaukee (MKE)Alaska Airlines, then Delta Air Lines


- Via Bozeman (BZN)Delta Air Lines the whole way



- Via Chicago (ORD)American Airlines, Delta Air Lines and 1 more the whole way

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- Via Chicago (MDW)Southwest Airlines the whole way



- Via Cedar Rapids (CID)American Airlines, then Delta Air Lines


- Via Omaha (OMA)Alaska Airlines, then Delta Air Lines


- Via Calgary (YYC)WestJet the whole way



- Via Portland (PDX)Delta Air Lines the whole way



- Via Vancouver (YVR)Air Canada, Alaska Airlines and 1 more, then WestJet




- Via Indianapolis (IND)Alaska Airlines and American Airlines, then Delta Air Lines



- Via Kansas City (MCI)Delta Air Lines the whole way




- Via Cleveland (CLE)Alaska Airlines, then Delta Air Lines


- Via Denver (DEN)Delta Air Lines, Frontier Airlines and 2 more the whole way

+3

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- Via Saint Louis (STL)Southwest Airlines the whole way




SEA to DTW: common questions
Which airlines fly nonstop from SEA to DTW?
Alaska Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Seattle (SEA) to Detroit (DTW).
How far is Seattle from Detroit by plane?
Seattle (SEA) and Detroit (DTW) 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 SEA to DTW 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 DTW 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 DTW with taxes and fees.
Where can I connect between Seattle and Detroit?
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.