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GAI to LAS: distance & flight time
Gaithersburg (Montgomery County Airpark) → Las Vegas (McCarran International Airport)
2,074 mi
3,339 km · 1,803 nm
4h 32m
estimated nonstop flight time
-3h
time difference · heading west
See live GAI→LAS fares Phone-only fares on this route — call free
Flight time details
2,074 miles nonstop takes roughly 4h 32m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- LAS — McCarran International Airport · Las Vegas, 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 LAS
- HSH · Henderson Executive Airport7 mi away
- VGT · North Las Vegas Airport9 mi away
- LSV · Nellis Air Force Base13 mi away
- INS · Creech Air Force Base45 mi away
Frequently asked questions
How far is GAI from LAS?
The flight distance from Gaithersburg (GAI) to Las Vegas (LAS) is 2,074 miles (3,339 km, 1,803 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to LAS?
A nonstop flight takes about 4h 32m 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 time difference between Gaithersburg and Las Vegas?
Las Vegas is 3 hours behind Gaithersburg.
What is the cheapest way to fly from GAI to LAS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–LAS that never appear on search engines, with no booking fees.