The distance from Great Falls International Airport (GTF) to La Guardia Airport (LGA) is 1897 miles or 3053 kilometers or 1647 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
3053 kilometers is the direct flight distance between Great Falls International Airport (United States) and La Guardia Airport (United States).
How long does it take to travel from Great Falls ( United States ) to New York ( United States )?
A one-way nonstop (direct) flight between Great Falls and New York takes around 4 hours 21 minutes.
Estimated
flight time from Great Falls International Airport, Great Falls, United States to La Guardia Airport, New York, United States is
4 hours 21 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • GTF - LGA
| Kilometers | | 3053 km |
| Statute Miles | | 1897 miles |
| Nautical Miles | | 1647 nm |
| Avg. Time of Flight | | 4 hours 21 minutes |
Great Falls International Airport to La Guardia Airport Flight Route Map - GTF to LGA Flight Path
Location of Great Falls International Airport & La Guardia Airport is given below.
Click the map to view Great Falls to New York nonstop flight path and travel direction.
Click to see flight route on Google Map between Great Falls, United States and New York, United States. .
Nonstop flight route between Great Falls, United States and New York, United States.
Time Difference Between the Airports • GTF - LGA
Time difference between
Great Falls (United States) and
New York (United States) is 2 Hours.
New York time is 2 Hours ahead of Great Falls.
| Location | Local Time |
| Great Falls (United States) | 2025-12-16, 09:22:50 MST |
| New York (United States) | 2025-12-16, 11:22:50 EST |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.