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

Seattle (SEA) to Detroit (DTW) flights

Alaska Atmos Rewards logo
10,000 milesCheapest economy award, one way, with Alaska Atmos Rewards

An economy award from Seattle (SEA) to Detroit (DTW) starts at 10,000 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $5.60. 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.

How many miles SEA to DTW costs

Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.

ProgramEconomyTaxes and fees
Alaska Atmos RewardsOn Alaska Airlines10,000$5.60
Iberia ClubOn Alaska Airlines11,000$5.60
American AAdvantageOn Alaska Airlines12,500$5.60
Qatar Airways Privilege ClubOn Alaska Airlines14,500$5.60
Cathay Pacific Asia MilesOn Alaska Airlines15,000$5.60
JAL Mileage BankOn Alaska Airlines15,000$5.60
SAS EuroBonusOn Delta Air Lines15,000$56–112
Starlux (COSMILE)On Alaska Airlines15,000$38.60
Finnair PlusOn Alaska Airlines17,500$5.60
British Airways ClubOn Alaska Airlines18,000$5.60
Virgin Atlantic Flying ClubOn Delta Air Lines18,500$5.60
Qantas Frequent FlyerOn Alaska Airlines23,000$5.60

Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.

Compare every program in the Award Flight Pricer

Airlines flying nonstop from SEA to DTW

Book SEA to DTW with points

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

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
    Alaska Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
  • Via Milwaukee (MKE)Alaska Airlines, then Delta Air Lines
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Bozeman (BZN)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Chicago (ORD)American Airlines, Delta Air Lines and 1 more the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +1
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Cedar Rapids (CID)American Airlines, then Delta Air Lines
    American Airlines logo
    Delta Air Lines logo
  • Via Omaha (OMA)Alaska Airlines, then Delta Air Lines
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Calgary (YYC)WestJet the whole way
    Alaska Airlines logo
    WestJet logo
    WestJet logo
  • Via Portland (PDX)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Vancouver (YVR)Air Canada, Alaska Airlines and 1 more, then WestJet
    Air Canada logo
    Alaska Airlines logo
    Delta Air Lines logo
    WestJet logo
  • Via Indianapolis (IND)Alaska Airlines and American Airlines, then Delta Air Lines
    Alaska Airlines logo
    American Airlines logo
    Delta Air Lines logo
  • Via Kansas City (MCI)Delta Air Lines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Cleveland (CLE)Alaska Airlines, then Delta Air Lines
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Denver (DEN)Delta Air Lines, Frontier Airlines and 2 more the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    +3
    Delta Air Lines logo
    Frontier Airlines logo
    United Airlines logo
    +1
  • Via Saint Louis (STL)Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
See all 53 in Routes

SEA to DTW: common questions

How many miles does SEA to DTW cost?

In economy it starts at 10,000 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $5.60. Next cheapest: Iberia Club (11,000), American AAdvantage (12,500) and Qatar Airways Privilege Club (14,500). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.

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.

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.