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YCM to GAI: distance & flight time
Saint Catherines (Niagara District Airport) → Gaithersburg (Montgomery County Airpark)
297 mi
478 km · 258 nm
1h 15m
estimated nonstop flight time
Same time
time difference · heading south
See live YCM→GAI fares Phone-only fares on this route — call free
Flight time details
297 miles nonstop takes roughly 1h 15m gate to gate, flying south. 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
- YCM — Niagara District Airport · Saint Catherines, 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 YCM
- YYZ · Lester B. Pearson International Airport41 mi away
- IAG · Niagara Falls International Airport13 mi away
- BUF · Buffalo Niagara International Airport28 mi away
- DU9 · Dunnville Airport31 mi away
Near GAI
Frequently asked questions
How far is YCM from GAI?
The flight distance from Saint Catherines (YCM) to Gaithersburg (GAI) is 297 miles (478 km, 258 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YCM to GAI?
A nonstop flight takes about 1h 15m 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 YCM to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YCM–GAI that never appear on search engines, with no booking fees.