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GAI to ACY: distance & flight time
Gaithersburg (Montgomery County Airpark) → Atlantic City (Atlantic City International Airport)
140 mi
225 km · 122 nm
50m
estimated nonstop flight time
Same time
time difference · heading east
See live GAI→ACY fares Phone-only fares on this route — call free
Flight time details
140 miles nonstop takes roughly 50m gate to gate, flying east. 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
- ACY — Atlantic City International Airport · Atlantic City, 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 ACY
- PHL · Philadelphia International Airport45 mi away
- MIV · Millville Municipal Airport27 mi away
- WWD · Cape May County Airport36 mi away
- LLY · South Jersey Regional Airport36 mi away
Frequently asked questions
How far is GAI from ACY?
The flight distance from Gaithersburg (GAI) to Atlantic City (ACY) is 140 miles (225 km, 122 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to ACY?
A nonstop flight takes about 50m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GAI to ACY?
Nonstop service on GAI–ACY depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 50m nonstop estimate.
What is the cheapest way to fly from GAI to ACY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–ACY that never appear on search engines, with no booking fees.
Why are some GAI to ACY fares phone-only?
Consolidator contracts let us sell certain GAI–ACY tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.