Detroit (DTW) to Seattle (SEA) flights

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.
| Program | Economy | Taxes and fees |
|---|---|---|
| Alaska Atmos RewardsOn Alaska Airlines | 10,000 | $5.60 |
| Iberia ClubOn Alaska Airlines | 11,000 | $5.60 |
| American AAdvantageOn Alaska Airlines | 12,500 | $5.60 |
| Qatar Airways Privilege ClubOn Alaska Airlines | 14,500 | $5.60 |
| Cathay Pacific Asia MilesOn Alaska Airlines | 15,000 | $5.60 |
| JAL Mileage BankOn Alaska Airlines | 15,000 | $5.60 |
| SAS EuroBonusOn Delta Air Lines | 15,000 | $56–112 |
| Starlux (COSMILE)On Alaska Airlines | 15,000 | $38.60 |
| Finnair PlusOn Alaska Airlines | 17,500 | $5.60 |
| British Airways ClubOn Alaska Airlines | 18,000 | $5.60 |
| Virgin Atlantic Flying ClubOn Delta Air Lines | 18,500 | $5.60 |
| Qantas Frequent FlyerOn Alaska Airlines | 23,000 | $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 PricerAirlines flying nonstop from DTW to SEA
- Alaska Airlinesoneworld · bookable with 9 programsWho books it

- Delta Air LinesSkyTeam · bookable with 8 programsWho books it

Book DTW to SEA 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
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





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


- 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)Delta Air Lines, then American Airlines


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


- Via Calgary (YYC)WestJet the whole way



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



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




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



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


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




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

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+3
- Via Saint Louis (STL)Southwest Airlines the whole way




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.









