Distance From Biratnagar Airport to Ontario International Airport, BIR - ONT Distance

The distance from Biratnagar Airport (BIR) to Ontario International Airport (ONT) is 7948 miles or 12791 kilometers or 6902 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 Biratnagar ( Nepal ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Biratnagar and Ontario takes around 18 hours 16 minutes.

Estimated flight time from Biratnagar Airport, Biratnagar, Nepal to Ontario International Airport, Ontario, United States is 18 hours 16 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 • BIR - ONT

Kilometers		12791 km
Statute Miles		7948 miles
Nautical Miles		6902 nm
Avg. Time of Flight		18 hours 16 minutes

Biratnagar Airport to Ontario International Airport Flight Route Map - BIR to ONT Flight Path

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

Click to see flight route on Google Map between Biratnagar, Nepal and Ontario, United States. .

Nonstop flight route between Biratnagar, Nepal and Ontario, United States.

Time Difference Between the Airports • BIR - ONT

Time difference between Biratnagar (Nepal) and Ontario (United States) is 13 Hours 45 Minutes.
Ontario time is 13 Hours 45 Minutes behind Biratnagar.

Location	Local Time
Biratnagar (Nepal)	2025-12-14, 11:43:20 +0545
Ontario (United States)	2025-12-13, 21:58:20 PST

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

Biratnagar Airport (BIR / VNVT) Biratnagar, Nepal

Destination

Ontario International Airport (ONT / KONT) Ontario, United States