Distance From San Antonio Airport to Buffalo Niagara International Airport

The distance from San Antonio Airport () to Buffalo Niagara International Airport (BUF) is 8344 miles or 13429 kilometers or 7246 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 San Antonio ( Philippines ) to Buffalo ( United States )?

A one-way nonstop (direct) flight between San Antonio and Buffalo takes around 19 hours 11 minutes.

Estimated flight time from San Antonio Airport, San Antonio, Philippines to Buffalo Niagara International Airport, Buffalo, United States is 19 hours 11 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		13429 km
Statute Miles		8344 miles
Nautical Miles		7246 nm
Avg. Time of Flight		19 hours 11 minutes

San Antonio Airport to Buffalo Niagara International Airport Flight Route Map - to BUF Flight Path

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

Click to see flight route on Google Map between San Antonio, Philippines and Buffalo, United States. .

Nonstop flight route between San Antonio, Philippines and Buffalo, United States.

Time Difference Between the Airports • - BUF

Time difference between San Antonio (Philippines) and Buffalo (United States) is 12 Hours.
Buffalo time is 12 Hours behind San Antonio.

Location	Local Time
San Antonio (Philippines)	2026-03-19, 13:06:38 PST
Buffalo (United States)	2026-03-19, 01:06:38 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

San Antonio Airport ( / ) San Antonio, Philippines

Destination

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