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GAI to DET: distance & flight time
Gaithersburg (Montgomery County Airpark) → Detroit (Coleman A. Young Municipal Airport)
379 mi
610 km · 329 nm
1h 28m
estimated nonstop flight time
Same time
time difference · heading northwest
See live GAI→DET fares Phone-only fares on this route — call free
Flight time details
379 miles nonstop takes roughly 1h 28m gate to gate, flying northwest. 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
- GAI — Montgomery County Airpark · Gaithersburg, United States
- DET — Coleman A. Young Municipal Airport · Detroit, 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 GAI
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
Frequently asked questions
How far is GAI from DET?
The flight distance from Gaithersburg (GAI) to Detroit (DET) is 379 miles (610 km, 329 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to DET?
A nonstop flight takes about 1h 28m 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 GAI to DET?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–DET that never appear on search engines, with no booking fees.