Distance From Cat Bi International Airport to Buffalo Niagara International Airport, HPH - BUF Distance

The distance from Cat Bi International Airport (HPH) to Buffalo Niagara International Airport (BUF) is 8018 miles or 12903 kilometers or 6963 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 Haiphong (Hai An) ( Vietnam ) to Buffalo ( United States )?

A one-way nonstop (direct) flight between Haiphong (Hai An) and Buffalo takes around 18 hours 25 minutes.

Estimated flight time from Cat Bi International Airport, Haiphong (Hai An), Vietnam to Buffalo Niagara International Airport, Buffalo, United States is 18 hours 25 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 • HPH - BUF

Kilometers		12903 km
Statute Miles		8018 miles
Nautical Miles		6963 nm
Avg. Time of Flight		18 hours 25 minutes

Cat Bi International Airport to Buffalo Niagara International Airport Flight Route Map - HPH to BUF Flight Path

Location of Cat Bi International Airport & Buffalo Niagara International Airport is given below.
Click the map to view Haiphong (Hai An) to Buffalo nonstop flight path and travel direction.

Click to see flight route on Google Map between Haiphong (Hai An), Vietnam and Buffalo, United States. .

Nonstop flight route between Haiphong (Hai An), Vietnam and Buffalo, United States.

Time Difference Between the Airports • HPH - BUF

Time difference between Haiphong (Hai An) (Vietnam) and Buffalo (United States) is 11 Hours.
Buffalo time is 11 Hours behind Haiphong (Hai An).

Location	Local Time
Haiphong (Hai An) (Vietnam)	2026-05-03, 18:18:48 +07
Buffalo (United States)	2026-05-03, 07:18:48 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

Cat Bi International Airport (HPH / VVCI) Haiphong (Hai An), Vietnam

Destination

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