Distance From Ostrava Leos Janáček Airport to Buffalo Niagara International Airport, OSR - BUF Distance

The distance from Ostrava Leos Janáček Airport (OSR) to Buffalo Niagara International Airport (BUF) is 4313 miles or 6940 kilometers or 3745 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 Ostrava ( Czech Republic ) to Buffalo ( United States )?

A one-way nonstop (direct) flight between Ostrava and Buffalo takes around 9 hours 54 minutes.

Estimated flight time from Ostrava Leos Janáček Airport, Ostrava, Czech Republic to Buffalo Niagara International Airport, Buffalo, United States is 9 hours 54 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 • OSR - BUF

Kilometers		6940 km
Statute Miles		4313 miles
Nautical Miles		3745 nm
Avg. Time of Flight		9 hours 54 minutes

Ostrava Leos Janáček Airport to Buffalo Niagara International Airport Flight Route Map - OSR to BUF Flight Path

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

Click to see flight route on Google Map between Ostrava, Czech Republic and Buffalo, United States. .

Nonstop flight route between Ostrava, Czech Republic and Buffalo, United States.

Time Difference Between the Airports • OSR - BUF

Time difference between Ostrava (Czech Republic) and Buffalo (United States) is 6 Hours.
Buffalo time is 6 Hours behind Ostrava.

Location	Local Time
Ostrava (Czech Republic)	2026-04-01, 10:11:56 CEST
Buffalo (United States)	2026-04-01, 04:11:56 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

Ostrava Leos Janáček Airport (OSR / LKMT) Ostrava, Czech Republic

Destination

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