Cheap Flight Tickets from Ontario (ONT) to Buenos Aires (EZE), Starting at $1514

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

$1514

DL Delta Airlines • 1 stop • 37h 20m

Aug 04 – Aug 18

The cheapest round trip flight from Ontario to Buenos Aires (ONT-EZE-ONT) is currently $1514

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Fastest Flight

29h 5m

The fastest nonstop flight from Ontario to Buenos Aires (ONT-EZE) takes 29h 5m

Top Airlines Flying from Ontario to Buenos Aires

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

Avianca Airline - AV

Avianca

Lufthansa Airline (LH)

Lufthansa Airlines

American Airlines, AA

American Airlines

Copa Airlines (CM)

Copa Airlines

Aeromexico Airline (AM)

Aeromexico

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.

Aug 04 - Aug 18, Economy
DL
Ontario → Buenos Aires
37h 20m
7:05 AM - 9:45 AM • 1 stop
LA
Ontario → Buenos Aires
42h 12m
1:10 PM - 10:42 AM • 2 stops
$1514
Delta Airlines
Aug 04 - Aug 18, Economy
LA
Ontario → Buenos Aires
29h 5m
12:00 PM - 9:45 AM • 1 stop
LA
Ontario → Buenos Aires
42h 12m
1:10 PM - 10:42 AM • 2 stops
$1740
LATAM Airlines
Aug 05 - Aug 19, Economy
LA
Ontario → Buenos Aires
29h 5m
12:00 PM - 9:45 AM • 1 stop
LA
Ontario → Buenos Aires
55h 20m
1:10 PM - 6:30 PM • 2 stops
$1740
LATAM Airlines
Aug 05 - Aug 19, Economy
LA
Ontario → Buenos Aires
37h 20m
7:05 AM - 9:45 AM • 1 stop
LA
Ontario → Buenos Aires
30h 32m
8:10 PM - 10:42 AM • 1 stop
$1887
LATAM Airlines
Aug 05 - Aug 19, Economy
LA
Ontario → Buenos Aires
29h 5m
12:00 PM - 9:45 AM • 1 stop
LA
Ontario → Buenos Aires
30h 32m
8:10 PM - 10:42 AM • 1 stop
$1990
LATAM Airlines
Aug 04 - Aug 18, Economy
AV
Ontario → Buenos Aires
34h 10m
11:35 PM - 5:00 AM • 3 stops
AV
Ontario → Buenos Aires
38h 35m
1:35 AM - 9:45 PM • 3 stops
$3451
Avianca

Fly from Ontario to Buenos Aires with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Buenos Aires? Find the biggest savings on one-way and round-trip tickets right here.

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 7:05 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 1514
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 11:35 pm

Essential Information for Booking Flights from Ontario (ONT) - AI Insights

What's the cheapest airline from ont to eze?
You can find affordable flights from Ontario to Eze with United Airlines. For a round-trip economy ticket, consider booking in advance to secure Low Fares. Budget-friendly options are available when booking at least 42 days prior to your trip.
What's the popular airline to fly from ont to eze?
LATAM Airlines offers flights from Ontario International Airport (ONT) to Ministro Pistarini International Airport (EZE), a popular choice for travelers. For round-trip economy fares, consider booking at least 42 days in advance to secure the best budget-friendly options. You can find cheap airline tickets and airfares on fareleaders.com.
What's the cheapest day of the week to fly from ont to eze?
The cheapest day to fly from Ontario International Airport (ONT) to Ministro Pistarini International Airport (EZE) is Sunday. Flying on Sundays can result in lower fares compared to other days of the week.
What's the cheapest month to fly from ont to eze?
The cheapest month to fly from Ontario (ONT) to Eze (EZE) is November. Flying during this time can result in budget-friendly flights, making it a great option for travelers looking for affordable airfares.
Which airline/airlines fly from ont to eze?
LATAM Airlines offers flights from Ontario International Airport (ONT) to Ministro Pistarini International Airport (EZE), while United Airlines also operates flights on this route. For a budget-friendly option, consider booking with LATAM or United for affordable airfares and fares.
What is the cheapest airline to fly from Ontario International Airport (ONT) to Ministro Pistarini International Airport (EZE)?
United Airlines (UA)
How far in advance can I book flights for a round trip from Ontario to Buenos Aires?
Advance booking days: 42, recommended booking at least 6 months prior to travel date
Can I find affordable international flights with airlines that operate direct flights from Ontario to EZE?
Yes, LATAM Airlines (LA) offers direct flights from Ontario International Airport (ONT) to Ministro Pistarini International Airport (EZE)
What are the best airfare deals for a 5-person group traveling from Ontario to EZE?
Consider booking with airlines that offer discounts for group bookings, such as United Airlines (UA)
Are there any cheap airline options available for weekend getaways from Ontario to EZE?
Yes, LATAM Airlines (LA) offers affordable flights on weekends
How can I compare fares and find the cheapest airline flights on fareleaders.com?
Use our flight comparison tool to find the best deals on international flights from Ontario International Airport (ONT) to Ministro Pistarini International Airport (EZE)
Can I book a bus ticket or airplant as an alternative to flying from Ontario to EZE?
No, airplants are not a viable option for long-distance travel. Consider booking flights with airlines like United Airlines (UA) or LATAM Airlines (LA)

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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