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GAI to MHT: distance & flight time
Gaithersburg (Montgomery County Airpark) → Manchester NH (Manchester-Boston Regional Airport)
396 mi
637 km · 344 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading northeast
See live GAI→MHT fares Phone-only fares on this route — call free
Flight time details
396 miles nonstop takes roughly 1h 30m gate to gate, flying northeast. 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
- MHT — Manchester-Boston Regional Airport · Manchester NH, 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 MHT
- BOS · General Edward Lawrence Logan International Airport45 mi away
- ASH · Boire Field11 mi away
- CON · Concord Municipal Airport19 mi away
- LWM · Lawrence Municipal Airport22 mi away
Frequently asked questions
How far is GAI from MHT?
The flight distance from Gaithersburg (GAI) to Manchester NH (MHT) is 396 miles (637 km, 344 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to MHT?
A nonstop flight takes about 1h 30m 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 MHT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–MHT that never appear on search engines, with no booking fees.