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DET to DCA: distance & flight time
Detroit (Coleman A. Young Municipal Airport) → Washington (Ronald Reagan Washington National Airport)
398 mi
640 km · 346 nm
1h 31m
estimated nonstop flight time
Same time
time difference · heading southeast
See live DET→DCA fares Phone-only fares on this route — call free
Flight time details
398 miles nonstop takes roughly 1h 31m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- DET — Coleman A. Young Municipal Airport · Detroit, United States
- DCA — Ronald Reagan Washington National Airport · Washington, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near DET
- DTW · Detroit Metropolitan Wayne County Airport22 mi away
- YQG · Windsor Airport10 mi away
- MTC · Selfridge Air National Guard Base Airport17 mi away
- PTK · Oakland County International Airport27 mi away
Near DCA
Frequently asked questions
How far is DET from DCA?
The flight distance from Detroit (DET) to Washington (DCA) is 398 miles (640 km, 346 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DET to DCA?
A nonstop flight takes about 1h 31m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from DET to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DET–DCA that never appear on search engines, with no booking fees.