Need help booking?
Unpublished phone-only deals available
GAI to BUF: distance & flight time
Gaithersburg (Montgomery County Airpark) → Buffalo (Buffalo Niagara International Airport)
273 mi
440 km · 237 nm
1h 11m
estimated nonstop flight time
Same time
time difference · heading north
See live GAI→BUF fares Phone-only fares on this route — call free
Flight time details
273 miles nonstop takes roughly 1h 11m gate to gate, flying north. 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
- BUF — Buffalo Niagara International Airport · Buffalo, 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 BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is GAI from BUF?
The flight distance from Gaithersburg (GAI) to Buffalo (BUF) is 273 miles (440 km, 237 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to BUF?
A nonstop flight takes about 1h 11m 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 BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–BUF that never appear on search engines, with no booking fees.