United States · 383 miles (616 km)

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 Lines logo
    Delta Air LinesSkyTeam · bookable with 8 programsWho books it
  • United Airlines logo
    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.

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
    United Airlines logo
    Delta Air Lines logo
  • Via Pittsburgh (PIT)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Columbus (CMH)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Middletown (MDT)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Buffalo (BUF)United Airlines, then Delta Air Lines and American Airlines
    United Airlines logo
    Delta Air Lines logo
    American Airlines logo
  • Via Richmond (RIC)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    United Airlines logo
    Air Canada logo
    Delta Air Lines logo
  • Via Rochester (ROC)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Philadelphia (PHL)United Airlines, then American Airlines, Delta Air Lines and 1 more
    United Airlines logo
    American Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
  • Via Cincinnati (CVG)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via South Bend (SBN)Breeze Airways and United Airlines, then Delta Air Lines
    Breeze Airways logo
    United Airlines logo
    Delta Air Lines logo
  • Via Syracuse (SYR)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Norfolk (ORF)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Greensboro/High Point (GSO)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
See all 38 in Routes

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.