Distance From Grier Airport to Buffalo Niagara International Airport

The distance from Grier Airport () to Buffalo Niagara International Airport (BUF) is 1426 miles or 2295 kilometers or 1239 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.

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How long does it take to travel from Boerne ( United States ) to Buffalo ( United States )?

A one-way nonstop (direct) flight between Boerne and Buffalo takes around 3 hours 16 minutes.

Estimated flight time from Grier Airport, Boerne, United States to Buffalo Niagara International Airport, Buffalo, United States is 3 hours 16 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 • - BUF

Kilometers		2295 km
Statute Miles		1426 miles
Nautical Miles		1239 nm
Avg. Time of Flight		3 hours 16 minutes

Grier Airport to Buffalo Niagara International Airport Flight Route Map - to BUF Flight Path

Location of Grier Airport & Buffalo Niagara International Airport is given below.
Click the map to view Boerne to Buffalo nonstop flight path and travel direction.

Click to see flight route on Google Map between Boerne, United States and Buffalo, United States. .

Nonstop flight route between Boerne, United States and Buffalo, United States.

Time Difference Between the Airports • - BUF

Time difference between Boerne (United States) and Buffalo (United States) is 2 Hours.
Buffalo time is 2 Hours ahead of Boerne.

Location	Local Time
Boerne (United States)	2026-08-03, 09:25:55 MDT
Buffalo (United States)	2026-08-03, 11:25:55 EDT

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.

Origin

Grier Airport ( / 71TX) Boerne, United States

Destination

Buffalo Niagara International Airport (BUF / KBUF) Buffalo, United States