ONT - EZE

$366 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 6/18. 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

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Everything you should know

Cheapest round-trip
$940
Multiple Airlines
Thu 6/18Mon 6/29
ONT - EZE • 3 stops
Cheapest one-way
$366
Multiple Airlines
Thu 6/18
ONT - EZE • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Ontario and Buenos Aires. You'll need at least 1 connection.
Insights
Insights
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Insights
Top layover airports
Atlanta (ATL)
Cheapest • Avg $1,741 (round-trip)
Dallas (DFW)
Shortest trip • 14h 52m (one-way)
Insights
Insights
Insights
Insights
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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

Thu, Jun 18 - Mon, Jun 29
Multiple Airlines Logo
9:36 pm - 9:16 am
ONT
-
EZE
31h 40m
3 stops
Multiple Airlines Logo
9:15 pm - 11:05 pm
EZE
-
ONT
29h 50m
3 stops
$940Multiple Airlines
Mon, Aug 24 - Tue, Sep 1
Multiple Airlines Logo
9:36 pm - 5:40 am
ONT
-
EZE
28h 04m
3 stops
Multiple Airlines Logo
7:10 am - 9:45 pm
EZE
-
ONT
18h 35m
2 stops
$970Multiple Airlines
Thu, Jun 18 - Wed, Jun 24
Multiple Airlines Logo
9:36 pm - 1:20 am
ONT
-
EZE
23h 44m
3 stops
Multiple Airlines Logo
2:30 am - 9:45 pm
EZE
-
ONT
23h 15m
2 stops
$980Multiple Airlines
Mon, Jun 1 - Wed, Jun 3
Multiple Airlines Logo
9:36 pm - 3:00 am
ONT
-
EZE
25h 24m
3 stops
Multiple Airlines Logo
4:50 pm - 11:05 pm
EZE
-
ONT
34h 15m
3 stops
$989Multiple Airlines
Mon, Jun 8 - Wed, Jun 24
Multiple Airlines Logo
9:36 pm - 5:40 am
ONT
-
EZE
28h 04m
3 stops
Multiple Airlines Logo
2:30 am - 9:45 pm
EZE
-
ONT
23h 15m
2 stops
$998Multiple Airlines
Thu, Aug 6 - Mon, Aug 31
Multiple Airlines Logo
9:36 pm - 1:20 am
ONT
-
EZE
23h 44m
3 stops
Multiple Airlines Logo
7:10 am - 9:45 pm
EZE
-
ONT
42h 35m
2 stops
$1,015Multiple Airlines
Wed, Jun 10 - Tue, Jun 16
Multiple Airlines Logo
9:36 pm - 3:00 am
ONT
-
EZE
25h 24m
3 stops
Multiple Airlines Logo
4:50 pm - 11:05 pm
EZE
-
ONT
34h 15m
3 stops
$1,032Multiple Airlines
Mon, Aug 31 - Mon, Sep 14
Multiple Airlines Logo
12:55 am - 5:40 am
ONT
-
EZE
24h 45m
3 stops
Multiple Airlines Logo
2:30 am - 11:05 pm
EZE
-
ONT
24h 35m
3 stops
$1,037Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
9:36 pm - 3:45 am
ONT
-
EZE
26h 09m
3 stops
Multiple Airlines Logo
9:15 pm - 11:05 pm
EZE
-
ONT
29h 50m
3 stops
$1,045Multiple Airlines
Sun, Jun 21 - Tue, Jun 30
Multiple Airlines Logo
12:55 am - 8:15 am
ONT
-
EZE
27h 20m
3 stops
Multiple Airlines Logo
4:50 pm - 11:05 pm
EZE
-
ONT
34h 15m
3 stops
$1,047Multiple 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.

What is the most popular layover airport when flying from Ontario to Buenos Aires?

Percentage of 1-stop round-trip flights from Ontario to Buenos Aires chosen by KAYAK users via each layover airport in the last 12 months (only includes trips with the same layover airport on both legs).

Atlanta (ATL) is the top choice – 78% of KAYAK users who clicked on 1-stop flights from Ontario to Buenos Aires picked an itinerary connecting there.

What is the cheapest layover airport when flying from Ontario to Buenos Aires?

Average round-trip price for 1-stop flights from Ontario to Buenos Aires clicked by KAYAK users in the last 12 months (only includes trips with the same layover airport on both legs).

Flights via Atlanta (ATL) offer the most affordable fares, with an average round-trip price of $1,741.

Which layover airport offers the shortest total travel time from Ontario to Buenos Aires?

Shortest average total travel time for 1-stop one-way flights from Ontario to Buenos Aires via different layover airports, based on KAYAK user data from the last 12 months.

Consider flying via Dallas (DFW) for the shortest journey. The average one-way travel time for flights connecting there is 14h 52m.

Which layover airport has the quickest connection when flying from Ontario to Buenos Aires?

Average layover duration at different layover airports for 1-stop one-way flights from Ontario to Buenos Aires, based on KAYAK user data from the last 12 months.

If you prefer a quick connection, Dallas (DFW) often has the shortest layovers from Ontario to Buenos Aires, with an average of 1h 31m.

Find deals

Good to know

Cheapest flight$366
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 7 days, the lowest price for a flight from Ontario to Buenos Aires Ministro Pistarini Airport was $366 for a one-way ticket and $940 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.

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

    In the past 7 days, the cheapest round-trip tickets from Ontario to Buenos Aires were found on United Airlines ($1,151) and LATAM Airlines ($1,158).

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)