ONT - EZE

$412 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 8/14. 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

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
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Flights 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

Tue, Dec 2 - Thu, Dec 11
Avianca Logo
10:30 pm - 12:15 amONT-EZE
20h 45m2 stops
Avianca Logo
5:50 am - 9:00 pmEZE-ONT
20h 10m3 stops
$884Avianca
Find Deal
Tue, Oct 7 - Mon, Oct 20
Avianca Logo
11:25 pm - 1:25 amONT-EZE
22h 00m3 stops
Avianca Logo
2:30 am - 9:55 pmEZE-ONT
23h 25m3 stops
$907Avianca
Find Deal
Tue, Oct 7 - Tue, Oct 21
Avianca Logo
11:25 pm - 1:25 amONT-EZE
22h 00m3 stops
Avianca Logo
6:50 am - 9:55 pmEZE-ONT
19h 05m2 stops
$911Avianca
Find Deal
Wed, Oct 1 - Wed, Oct 15
United Airlines Logo
9:36 am - 8:00 amONT-EZE
18h 24m2 stops
United Airlines Logo
9:00 pm - 8:24 pmEZE-ONT
27h 24m2 stops
$1,030United Airlines
Find Deal
Wed, Nov 26 - Sat, Dec 6
United Airlines Logo
6:09 am - 7:20 amONT-EZE
20h 11m1 stop
United Airlines Logo
11:55 pm - 5:46 pmEZE-ONT
22h 51m2 stops
$1,070United Airlines
Find Deal
Tue, Oct 21 - Sat, Nov 1
 Logo
1:09 am - 10:07 amONT-EZE
28h 58m3 stops
 Logo
9:15 pm - 7:44 pmEZE-ONT
26h 29m3 stops
$1,093
Find Deal
Sat, Nov 22 - Sun, Nov 30
 Logo
10:30 pm - 4:40 amONT-EZE
25h 10m3 stops
 Logo
6:15 am - 11:12 pmEZE-ONT
21h 57m3 stops
$1,176
Find Deal
Wed, Nov 26 - Sat, Dec 6
American Airlines Logo
11:59 pm - 9:10 amONT-EZE
28h 11m1 stop
American Airlines Logo
10:30 pm - 9:34 amEZE-ONT
16h 04m1 stop
$1,268American Airlines
Find Deal
Fri, Aug 22 - Thu, Sep 4
Delta Logo
11:45 am - 9:45 amONT-EZE
18h 00m1 stop
Delta Logo
8:10 pm - 10:35 amEZE-ONT
18h 25m1 stop
$1,277Delta
Find Deal
Fri, Aug 22 - Thu, Sep 4
Delta Logo
11:45 am - 9:45 amONT-EZE
18h 00m1 stop
Delta Logo
8:10 pm - 10:35 amEZE-ONT
18h 25m1 stop
$1,279Delta
Find Deal
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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 Avianca ($884) and United Airlines ($1,030).

Good to know

Cheapest flight$412
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 $412 for a one-way ticket and $884 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.

  • Which airline alliances offer flights from Ontario to Buenos Aires?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Ontario and Buenos Aires, with Star Alliance being the most commonly used for this 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

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