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

Detroit (DTW) to Seattle (SEA) flights

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

An economy award from Detroit (DTW) to Seattle (SEA) 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 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.

How many miles DTW to SEA 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 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

How many miles does DTW to SEA 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 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.

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.