Distance From Bost Airport to Ontario International Airport, BST - ONT Distance

The distance from Bost Airport (BST) to Ontario International Airport (ONT) is 7902 miles or 12716 kilometers or 6862 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 Lashkar Gah ( Afghanistan ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Lashkar Gah and Ontario takes around 18 hours 9 minutes.

Estimated flight time from Bost Airport, Lashkar Gah, Afghanistan to Ontario International Airport, Ontario, United States is 18 hours 9 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 • BST - ONT

Kilometers		12716 km
Statute Miles		7902 miles
Nautical Miles		6862 nm
Avg. Time of Flight		18 hours 9 minutes

Bost Airport to Ontario International Airport Flight Route Map - BST to ONT Flight Path

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

Click to see flight route on Google Map between Lashkar Gah, Afghanistan and Ontario, United States. .

Nonstop flight route between Lashkar Gah, Afghanistan and Ontario, United States.

Time Difference Between the Airports • BST - ONT

Time difference between Lashkar Gah (Afghanistan) and Ontario (United States) is 12 Hours 30 Minutes.
Ontario time is 12 Hours 30 Minutes behind Lashkar Gah.

Location	Local Time
Lashkar Gah (Afghanistan)	2025-12-18, 08:13:56 +0430
Ontario (United States)	2025-12-17, 19:43:56 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

Bost Airport (BST / OABT) Lashkar Gah, Afghanistan

Destination

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