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Uncover the best deals on Ontario to Buenos Aires flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ONT - EZE Flights
Useful information for finding best airline tickets from Ontario International to Ministro Pistarini International on your next trip.
Cheapest Round Trip Flight
$1867
Delta Airlines
• 1 stop
• 28h 49m
Oct 16 – Nov 01
The cheapest round trip flight from Ontario to Buenos Aires (ONT-EZE-ONT) is currently $1867
Fastest Flight
28h 49m
The fastest nonstop flight from Ontario to Buenos Aires (ONT-EZE) takes 28h 49m
Latest Flight Deals from Ontario (ONT) to Buenos Aires (EZE)
Compare and book low fare round-trip air tickets from Ontario to Buenos Aires. Ideal for travelers with confirmed return itineraries.
Oct 16 - Nov 01, Economy
Ontario → Buenos Aires
28h 49m
12:16 PM - 9:45 AM • 1 stop
Ontario → Buenos Aires
54h 6m
7:20 AM - 11:06 AM • 2 stops
Delta Airlines
Oct 16 - Nov 01, Economy
Ontario → Buenos Aires
28h 49m
12:16 PM - 9:45 AM • 1 stop
Ontario → Buenos Aires
25h 40m
7:20 AM - 6:00 PM • 1 stop
Delta Airlines
Oct 16 - Nov 01, Economy
Ontario → Buenos Aires
36h 40m
6:00 AM - 8:00 AM • 1 stop
Ontario → Buenos Aires
38h 50m
2:30 PM - 9:00 AM • 2 stops
United Airlines
Oct 16 - Nov 01, Economy
Ontario → Buenos Aires
30h 35m
9:25 AM - 8:00 AM • 2 stops
Ontario → Buenos Aires
38h 50m
2:30 PM - 9:00 AM • 2 stops
United Airlines
Oct 17 - Nov 02, Economy
Ontario → Buenos Aires
36h 40m
6:00 AM - 8:00 AM • 1 stop
Ontario → Buenos Aires
38h 50m
2:30 PM - 9:00 AM • 2 stops
United Airlines
FAQs on Ontario to Buenos Aires Flights
What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to EZE?
The most popular airline flying from Ontario to Buenos Aires are
Can I fly from ONT to EZE non-stop?
NO
Which airlines fly nonstop between Ontario and Buenos Aires?
The non-stop flights between Ontario and Buenos Aires are .
What’s the earliest departure time from ONT to EZE Airport?
The earliest flight leaves ONT at 6:00 am and lands in EZE - Ministro Pistarini International
What are the airports in Buenos Aires?
EZE
Can I make changes to my Ontario to Buenos Aires flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to EZE?
Read the fare rules of the Ontario to Buenos Aires air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Buenos Aires?
operate flights between Ontario and Buenos Aires
How long does a flight from Ontario to Buenos Aires take?
It takes approximately 12 hour to fly non-stop from ONT to EZE, which is 6087.2 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Buenos Aires (EZE) ?
In the past couple of days, the cheapest tickets to EZE from ONT were found on DL : USD 1908
Do I need a passport to fly between ONT and EZE?
Yes
What’s the latest departure time from ONT to EZE ?
The last flight leaves ONT at 12:16 pm
Ontario (ONT) to Buenos Aires (EZE): Airport Information
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | Ministro Pistarini International , Buenos Aires, AR |
| Distance | 6087 miles |
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