ONT - EZE

$553 Find Cheap Flights from Ontario to Buenos Aires

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Buenos Aires departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Buenos Aires Ministro Pistarini Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Buenos Aires, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Buenos Aires, as well as popular online travel agencies
Travelers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$1,018
LATAM Airlines
Mon 3/2Thu 3/12
ONT - EZE • 1 stop
Cheapest one-way
$553
Multiple Airlines
Sun 3/1
ONT - EZE • 3 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Buenos Aires!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Buenos Aires (ONT-EZE)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Buenos Aires that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Buenos Aires

Mon, Mar 2 - Thu, Mar 12
LATAM Airlines Logo
1:15 pm - 9:00 am
ONT
-
EZE
14h 45m1 stop
LATAM Airlines Logo
11:55 pm - 9:04 pm
EZE
-
ONT
25h 09m1 stop
$1,018LATAM Airlines
Sun, Mar 1 - Wed, Mar 11
LATAM Airlines Logo
10:20 pm - 10:15 am
ONT
-
EZE
30h 55m2 stops
LATAM Airlines Logo
11:00 am - 11:40 am
EZE
-
ONT
28h 40m2 stops
$1,022LATAM Airlines
Tue, Mar 3 - Wed, Mar 11
United Airlines Logo
8:00 am - 7:20 am
ONT
-
EZE
18h 20m1 stop
United Airlines Logo
9:05 pm - 10:57 pm
EZE
-
ONT
29h 52m2 stops
$1,030United Airlines
Wed, Feb 25 - Wed, Mar 11
United Airlines Logo
8:00 am - 7:20 am
ONT
-
EZE
18h 20m1 stop
United Airlines Logo
9:05 pm - 10:36 pm
EZE
-
ONT
29h 31m1 stop
$1,038United Airlines
Wed, Feb 25 - Wed, Mar 11
United Airlines Logo
6:37 pm - 7:20 am
ONT
-
EZE
31h 43m2 stops
United Airlines Logo
9:05 pm - 10:36 pm
EZE
-
ONT
29h 31m1 stop
$1,042United Airlines
Sat, Feb 28 - Mon, Mar 9
United Airlines Logo
1:45 pm - 7:20 am
ONT
-
EZE
60h 35m2 stops
United Airlines Logo
9:05 pm - 6:07 pm
EZE
-
ONT
25h 02m1 stop
$1,049United Airlines
Sat, Feb 28 - Tue, Mar 10
United Airlines Logo
1:53 pm - 7:20 am
ONT
-
EZE
60h 27m2 stops
United Airlines Logo
9:05 pm - 5:41 pm
EZE
-
ONT
24h 36m2 stops
$1,050United Airlines
Sat, Feb 28 - Thu, Mar 12
Delta Logo
1:15 pm - 10:15 am
ONT
-
EZE
64h 00m2 stops
Delta Logo
8:55 pm - 11:40 am
EZE
-
ONT
18h 45m1 stop
$1,051Delta
Sat, Feb 28 - Wed, Mar 11
United Airlines Logo
1:45 pm - 7:20 am
ONT
-
EZE
60h 35m2 stops
United Airlines Logo
9:05 pm - 10:36 pm
EZE
-
ONT
29h 31m1 stop
$1,061United Airlines
Sun, Mar 8 - Tue, May 19
United Airlines Logo
6:00 am - 6:20 am
ONT
-
EZE
20h 20m1 stop
United Airlines Logo
9:00 pm - 12:22 pm
EZE
-
ONT
19h 22m2 stops
$1,070United Airlines
Booking Insights

KAYAK's insights & trends for Ontario to Buenos Aires flights

Get data-powered insights and trends into flights from Ontario to Buenos Aires to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Ontario to Buenos Aires?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Ontario to Buenos Aires were found on LATAM Airlines ($1,018) and United Airlines ($1,030).

Find deals

Good to know

Cheapest flight$553
Flight from Ontario to Buenos Aires

When to book flights from Ontario to Buenos Aires

Are your dates flexible? Find out the best times to travel from Ontario to Buenos Aires based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Ontario to Buenos Aires flights

  • What is the cheapest flight from Ontario to Buenos Aires Ministro Pistarini Airport?

    In the last 3 days, the lowest price for a flight from Ontario to Buenos Aires Ministro Pistarini Airport was $553 for a one-way ticket and $1,018 for a round-trip.

  • Do I need a passport to fly between Ontario and Buenos Aires?

    A passport is required to fly from Ontario to Buenos Aires.

  • Which aircraft models fly most regularly from Ontario to Buenos Aires?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Ontario to Buenos Aires?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Buenos Aires.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Buenos Aires?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buenos Aires from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Buenos Aires?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buenos Aires with an airline and back to Ontario with another airline. Booking your flights between Ontario and EZE can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Buenos Aires?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buenos Aires from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Buenos Aires

Information on your arrival and departure airports

Ontario (ONT)
Ministro Pistarini (EZE)