Distance From Sumy Airport to Buffalo Niagara International Airport, UMY - BUF Distance

The distance from Sumy Airport (UMY) to Buffalo Niagara International Airport (BUF) is 4828 miles or 7769 kilometers or 4193 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.

---

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

A one-way nonstop (direct) flight between Sumy and Buffalo takes around 11 hours 5 minutes.

Estimated flight time from Sumy Airport, Sumy, Ukraine to Buffalo Niagara International Airport, Buffalo, United States is 11 hours 5 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 • UMY - BUF

Kilometers		7769 km
Statute Miles		4828 miles
Nautical Miles		4193 nm
Avg. Time of Flight		11 hours 5 minutes

Sumy Airport to Buffalo Niagara International Airport Flight Route Map - UMY to BUF Flight Path

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

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

Nonstop flight route between Sumy, Ukraine and Buffalo, United States.

Time Difference Between the Airports • UMY - BUF

Time difference between Sumy (Ukraine) and Buffalo (United States) is 7 Hours.
Buffalo time is 7 Hours behind Sumy.

Location	Local Time
Sumy (Ukraine)	2026-05-01, 09:10:55 EEST
Buffalo (United States)	2026-05-01, 02:10:55 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

Sumy Airport (UMY / UKHS) Sumy, Ukraine

Destination

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