Distance From Buenos Aires Airport to Ontario International Airport, BAI - ONT Distance

The distance from Buenos Aires Airport (BAI) to Ontario International Airport (ONT) is 2770 miles or 4457 kilometers or 2405 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 Punta Arenas ( Costa Rica ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Punta Arenas and Ontario takes around 6 hours 22 minutes.

Estimated flight time from Buenos Aires Airport, Punta Arenas, Costa Rica to Ontario International Airport, Ontario, United States is 6 hours 22 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 • BAI - ONT

Kilometers		4457 km
Statute Miles		2770 miles
Nautical Miles		2405 nm
Avg. Time of Flight		6 hours 22 minutes

Buenos Aires Airport to Ontario International Airport Flight Route Map - BAI to ONT Flight Path

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

Click to see flight route on Google Map between Punta Arenas, Costa Rica and Ontario, United States. .

Nonstop flight route between Punta Arenas, Costa Rica and Ontario, United States.

Time Difference Between the Airports • BAI - ONT

Time difference between Punta Arenas (Costa Rica) and Ontario (United States) is 2 Hours.
Ontario time is 2 Hours behind Punta Arenas.

Location	Local Time
Punta Arenas (Costa Rica)	2026-02-10, 19:59:38 CST
Ontario (United States)	2026-02-10, 17:59:38 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

Buenos Aires Airport (BAI / MRBA) Punta Arenas, Costa Rica

Destination

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