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Did you mean flights from Ontario to Buenos Aires?
Argentina
Ministro Pistarini International Airport
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United States
Ontario International Airport
At present, there are no direct flights from Buenos Aires to Ontario.
However, there are several flights from EZE to ONT with a stopover.
Select a stopover airport from the list below to see which airlines operate flights from EZE to ONT, and to see what flight schedules are available.
In Ontario, the summers are known for being warm, long, and dry, with temperatures typically reaching about 30°C (86°F). The area’s breathtaking scenery complements the sun-filled lifestyle, making it a popular destination for visitors all year round who are looking for relaxation, fun by the water, and the beauty of the outdoors.
Ontario is best explored from mid-spring to summer, specifically between April and September, as most rainfall occurs from October to February.

In total there are 3 airlines that cover the full route from Buenos Aires EZE to Ontario ONT. These airlines are:
All other flights from Buenos Aires to Ontario are operated by a combination of multiple carriers, which are listed below:
In total there are 3 alliances that cover the full route from Buenos Aires EZE to Ontario ONT. These alliances are:
You can fly the full journey from EZE to ONT in either Economy or Business Class. Premium Economy and First Class are not available on this route, at least not on the full route with just 1 stopover.
However, for the first part of this route, Economy, Premium Economy, Business and First Class are available. This depends on the stopover airport of your choice though.
Again depending on your stopover airport, available classes for the second part of this route are Economy and Business Class.
At this moment, it is not possible to cover the full route from Buenos Aires to Ontario (with 1 stopover) with one specific type of aircraft. All flights from Buenos Aires to Ontario are operated by a combination of multiple aircraft types.
The distance between Buenos Aires and Ontario is 6,107 miles (9,828 kilometers).
However, because there are no direct flights between EZE and ONT, the distance of the full journey varies between 6,406 and 7,722 miles (or 10,309 and 12,427 kilometers), depending on your stopover airport.
Flights from Buenos Aires to Ontario take from 13 hours and 52 minutes up to 16 hours and 39 minutes, depending on your stopover airport.
Please note that these times refer to the actual flight times, excluding the stopover time in between connecting flights, as this depends on your stopover airport as well as your date(s) of travel.
There is 1 airport in Ontario: Ontario International Airport (ONT).
From 13 hours and 52 minutes up to 16 hours and 39 minutes, depending on your stopover airport.
Note that this excludes the layover time in between connecting flights.
Because there are no direct flights between EZE and ONT, the total distance of the full journey varies between 6,406 and 7,722 miles (or 10,309 and 12,427 kilometers), depending on your stopover airport.
United Airlines, American Airlines and Delta are flying the full route from Buenos Aires to Ontario.
Frontier Airlines, Aerolineas Argentinas and JetBlue operate several connecting flights, but only partly.
Oneworld, SkyTeam and Star Alliance are flying from Buenos Aires to Ontario.
You can fly the full route from Buenos Aires to Ontario (with 1 stopover) in Economy and Business Class.
There is no specific aircraft type that covers the full route (with 1 stopover) from Buenos Aires to Ontario at this moment.
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