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YUL to GAI: distance & flight time
Montreal (Montreal / Pierre Elliott Trudeau International Airport) → Gaithersburg (Montgomery County Airpark)
469 mi
755 km · 408 nm
1h 29m
estimated nonstop flight time
Same time
time difference · heading southwest
See live YUL→GAI fares Phone-only fares on this route — call free
Flight time details
469 miles nonstop takes roughly 1h 29m gate to gate, flying southwest. 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
- YUL — Montreal / Pierre Elliott Trudeau International Airport · Montreal, Canada
- GAI — Montgomery County Airpark · Gaithersburg, 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 YUL
- YHU · Montréal / Saint-Hubert Airport16 mi away
- YMX · Montreal International (Mirabel) Airport20 mi away
- YJN · St Jean Airport25 mi away
- YCC · Cornwall Regional Airport48 mi away
Near GAI
Frequently asked questions
How far is YUL from GAI?
The flight distance from Montreal (YUL) to Gaithersburg (GAI) is 469 miles (755 km, 408 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YUL to GAI?
A nonstop flight takes about 1h 29m 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 YUL to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YUL–GAI that never appear on search engines, with no booking fees.