Distance From Marechal Cunha Machado International Airport to Buffalo Niagara International Airport, SLZ - BUF Distance

The distance from Marechal Cunha Machado International Airport (SLZ) to Buffalo Niagara International Airport (BUF) is 3808 miles or 6128 kilometers or 3307 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 São Luís ( Brazil ) to Buffalo ( United States )?

A one-way nonstop (direct) flight between São Luís and Buffalo takes around 8 hours 45 minutes.

Estimated flight time from Marechal Cunha Machado International Airport, São Luís, Brazil to Buffalo Niagara International Airport, Buffalo, United States is 8 hours 45 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 • SLZ - BUF

Kilometers		6128 km
Statute Miles		3808 miles
Nautical Miles		3307 nm
Avg. Time of Flight		8 hours 45 minutes

Marechal Cunha Machado International Airport to Buffalo Niagara International Airport Flight Route Map - SLZ to BUF Flight Path

Location of Marechal Cunha Machado International Airport & Buffalo Niagara International Airport is given below.
Click the map to view São Luís to Buffalo nonstop flight path and travel direction.

Click to see flight route on Google Map between São Luís, Brazil and Buffalo, United States. .

Nonstop flight route between São Luís, Brazil and Buffalo, United States.

Time Difference Between the Airports • SLZ - BUF

Time difference between São Luís (Brazil) and Buffalo (United States) is 1 Hours.
Buffalo time is 1 Hours behind São Luís.

Location	Local Time
São Luís (Brazil)	2026-09-13, 07:50:50 -03
Buffalo (United States)	2026-09-13, 06:50:50 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

Marechal Cunha Machado International Airport (SLZ / SBSL) São Luís, Brazil

Destination

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