Dulles (IAD) to Detroit (DTW) flights
2 airlines fly nonstop from Dulles (IAD) to Detroit (DTW): Delta Air Lines and United Airlines. The two airports are 383 miles (616 km) apart. Delta Air Lines is in SkyTeam and United Airlines is in Star Alliance. There are also 38 ways to fly it with one stop, through Cleveland, Pittsburgh and Columbus and more.
Airlines flying nonstop from IAD to DTW
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it

- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAD 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 Canada AeroplanBooks United Airlines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- JetBlue TrueBlueBooks United Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Lufthansa Miles & MoreBooks United Airlines
- SAS EuroBonusBooks Delta Air Lines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
IAD to DTW with one stop
38 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Cleveland (CLE)United Airlines, then Delta Air Lines


- Via Pittsburgh (PIT)United Airlines, then Delta Air Lines


- Via Columbus (CMH)United Airlines, then Delta Air Lines


- Via Middletown (MDT)United Airlines, then Delta Air Lines


- Via Buffalo (BUF)United Airlines, then Delta Air Lines and American Airlines



- Via Richmond (RIC)United Airlines, then Delta Air Lines


- Via Toronto (YYZ)Air Canada the whole way




- Via Rochester (ROC)United Airlines, then Delta Air Lines


- Via Philadelphia (PHL)United Airlines, then American Airlines, Delta Air Lines and 1 more




- Via Cincinnati (CVG)United Airlines, then Delta Air Lines


- Via South Bend (SBN)Breeze Airways and United Airlines, then Delta Air Lines



- Via Syracuse (SYR)United Airlines, then Delta Air Lines


- Via Norfolk (ORF)United Airlines, then Delta Air Lines


- Via New York (EWR)United Airlines the whole way



- Via Greensboro/High Point (GSO)United Airlines, then Delta Air Lines


IAD to DTW: common questions
Which airlines fly nonstop from IAD to DTW?
Delta Air Lines (SkyTeam) and United Airlines (Star Alliance) fly nonstop from Dulles (IAD) to Detroit (DTW).
How far is Dulles from Detroit by plane?
Dulles (IAD) and Detroit (DTW) are 383 miles (616 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAD to DTW award flights?
21 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air Canada Aeroplan, Air France-KLM Flying Blue, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, China Eastern Eastern Miles, Delta SkyMiles and 13 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IAD 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 IAD to DTW with taxes and fees.
Where can I connect between Dulles and Detroit?
The most direct connections are through Cleveland (CLE), Pittsburgh (PIT), Columbus (CMH), Middletown (MDT) and Buffalo (BUF). On 7 of them the same airline flies both flights, for example Air Canada through Toronto.
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.