Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Buenos Aires from $366

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Buenos Aires departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Ontario to Buenos Aires

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Buenos Aires that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to Buenos Aires.

Cheap last minute flights

Planning a quick getaway from Ontario to Buenos Aires? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Buenos Aires, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Buenos Aires

Find recent round-trip train or bus tickets from Ontario to Buenos Aires.

All round-trip flight deals to Buenos Aires

The cheapest plane tickets to Buenos Aires found on KAYAK recently.
11:30 pm - 12:15 amONT-EZE
20h 45m2 stops
6:00 am - 10:00 pmEZE-ONT
20h 00m3 stops
$845Avianca
Find Deal
Tue, Mar 25 - Sat, Apr 5
11:30 pm - 12:05 amONT-EZE
20h 35m2 stops
7:00 am - 10:00 pmEZE-ONT
19h 00m2 stops
$848Avianca
Find Deal
Tue, May 6 - Tue, May 20
11:30 pm - 4:40 amONT-EZE
25h 10m3 stops
6:00 am - 10:00 pmEZE-ONT
20h 00m3 stops
$850Avianca
Find Deal
Tue, Mar 25 - Sat, Apr 5
6:00 am - 9:20 amONT-EZE
22h 20m1 stop
9:05 pm - 10:45 pmEZE-ONT
29h 40m2 stops
$1,024United Airlines
Find Deal
Tue, Feb 4 - Tue, Mar 18
6:00 am - 7:20 amONT-EZE
20h 20m1 stop
11:55 pm - 6:31 pmEZE-ONT
23h 36m2 stops
$1,028United Airlines
Find Deal
Wed, Jan 29 - Wed, Feb 19
12:39 pm - 9:45 amONT-EZE
17h 06m1 stop
8:10 pm - 11:24 amEZE-ONT
19h 14m1 stop
$1,559Delta
Find Deal
Tue, Apr 8 - Tue, Apr 29
5:05 am - 7:20 amONT-EZE
21h 15m2 stops
5:50 am - 9:42 pmEZE-ONT
20h 52m3 stops
$1,802
Find Deal
Tue, Dec 3 - Tue, Dec 17
2:53 pm - 10:30 amONT-EZE
14h 37m1 stop
10:25 pm - 6:38 pmEZE-ONT
25h 13m1 stop
$1,914American Airlines
Find Deal
Tue, Dec 3 - Tue, Dec 17
7:10 am - 9:45 amONT-EZE
21h 35m2 stops
8:55 pm - 11:01 amEZE-ONT
19h 06m1 stop
$1,918Delta
Find Deal
Tue, Dec 3 - Tue, Dec 17
6:10 am - 7:20 amONT-EZE
20h 10m1 stop
1:45 am - 9:42 pmEZE-ONT
24h 57m2 stops
$1,953
Find Deal
Tue, Dec 3 - Mon, Dec 16
11:30 pm - 4:40 amONT-EZE
25h 10m3 stops
$366Avianca
Find Deal
Tue, Mar 25
11:30 pm - 12:05 amONT-EZE
20h 35m2 stops
$382Avianca
Find Deal
Tue, Apr 1
8:33 pm - 6:50 amONT-EZE
29h 17m3 stops
Thu, Mar 6
10:39 am - 9:20 amONT-EZE
17h 41m2 stops
$637United Airlines
Find Deal
Sun, Jan 5
6:50 pm - 7:20 amONT-EZE
31h 30m2 stops
$643United Airlines
Find Deal
Fri, Dec 27
10:29 pm - 9:00 amONT-EZE
29h 31m1 stop
$660Delta
Find Deal
Sat, Dec 28
3:08 pm - 10:30 amONT-EZE
14h 22m1 stop
$790American Airlines
Find Deal
Thu, Mar 6
10:00 pm - 9:45 amONT-EZE
31h 45m1 stop
$803Delta
Find Deal
Mon, Apr 21
12:58 am - 6:50 amONT-EZE
24h 52m3 stops
Wed, Feb 5
12:37 pm - 9:10 amONT-EZE
15h 33m1 stop
$1,434American Airlines
Find Deal
Sat, Dec 21
10:35 am - 9:20 amONT-EZE
17h 45m2 stops
10:05 pm - 12:40 pmEZE-ONT
19h 35m2 stops
$1,716United Airlines
Find Deal
Sun, Nov 24 - Tue, Nov 26
6:10 am - 7:20 amONT-EZE
20h 10m1 stop
10:05 pm - 1:00 pmEZE-ONT
19h 55m2 stops
$1,796United Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
6:00 am - 9:20 amONT-EZE
22h 20m2 stops
10:05 pm - 1:00 pmEZE-ONT
19h 55m2 stops
$1,961United Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
6:00 am - 9:20 amONT-EZE
22h 20m2 stops
11:55 pm - 2:34 pmEZE-ONT
19h 39m2 stops
$2,297United Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
10:00 pm - 9:00 amONT-EZE
30h 00m1 stop
9:00 pm - 10:43 amEZE-ONT
18h 43m1 stop
$2,996Delta
Find Deal
Sat, Nov 23 - Wed, Nov 27
10:30 pm - 6:05 amONT-EZE
26h 35m2 stops
1:45 am - 9:00 pmEZE-ONT
24h 15m2 stops
$3,003Avianca
Find Deal
Sat, Nov 23 - Wed, Nov 27
10:00 pm - 9:00 amONT-EZE
30h 00m1 stop
9:00 pm - 10:43 amEZE-ONT
18h 43m1 stop
$3,118Delta
Find Deal
Sat, Nov 23 - Fri, Nov 29
10:00 pm - 9:00 amONT-EZE
30h 00m1 stop
9:00 pm - 10:43 amEZE-ONT
18h 43m1 stop
$3,242Delta
Find Deal
Tue, Nov 26 - Fri, Nov 29
6:00 am - 7:20 amONT-EZE
20h 20m2 stops
10:05 pm - 8:44 pmEZE-ONT
27h 39m2 stops
$8,138United Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
6:10 am - 7:20 amONT-EZE
20h 10m1 stop
10:05 pm - 10:02 pmEZE-ONT
28h 57m1 stop
$8,207United Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24

United Airlines flights from Ontario to Buenos Aires

Our best United Airlines deals on Ontario to Buenos Aires flight tickets
United Airlines
Feb 4
ONT6:00 amOntario
22h 20m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Mar 18
EZE9:05 pmBuenos Aires Ministro Pistarini
29h 40m
2 stops
ONT10:45 pmOntario
United Airlines
Jan 29
ONT6:00 amOntario
20h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 19
EZE11:55 pmBuenos Aires Ministro Pistarini
23h 36m
2 stops
ONT6:31 pmOntario
United Airlines
Feb 4
ONT6:00 amOntario
20h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 17
EZE11:55 pmBuenos Aires Ministro Pistarini
27h 04m
1 stop
ONT9:59 pmOntario

Avianca flights from Ontario to Buenos Aires

Our best Avianca deals on Ontario to Buenos Aires flight tickets
Avianca
Mar 25
ONT11:30 pmOntario
20h 45m
2 stops
EZE12:15 amBuenos Aires Ministro Pistarini
Apr 5
EZE6:00 amBuenos Aires Ministro Pistarini
20h 00m
3 stops
ONT10:00 pmOntario
Avianca
May 6
ONT11:30 pmOntario
20h 35m
2 stops
EZE12:05 amBuenos Aires Ministro Pistarini
May 20
EZE7:00 amBuenos Aires Ministro Pistarini
19h 00m
2 stops
ONT10:00 pmOntario
Avianca
Mar 25
ONT11:30 pmOntario
25h 10m
3 stops
EZE4:40 amBuenos Aires Ministro Pistarini
Apr 5
EZE6:00 amBuenos Aires Ministro Pistarini
20h 00m
3 stops
ONT10:00 pmOntario

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Ontario to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Ontario to Buenos Aires?

July. The cheapest time of year to fly to Buenos Aires from Ontario is July. Most expensive is October

What is the cheapest day to depart Ontario for Buenos Aires?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Thursday

When is the cheapest time to fly from Ontario to Buenos Aires?

In the evening. Ontario to Buenos Aires flights are approximately 41% more expensive in the afternoon than in the evening

What is the cheapest Ontario to Buenos Aires flight route?

Ontario - Buenos Aires Ministro Pistarini. Fly from Ontario to Buenos Aires Ministro Pistarini for the best Ontario - Buenos Aires flight prices

Can stopping save me money on Ontario to Buenos Aires flights?

You could potentially save up to 40% on your flight if you consider stops on a Ontario to Buenos Aires flight.

When to book flights from Ontario to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Buenos Aires (ONT to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Buenos Aires

Best Price Found

$366

Fastest flight time

14h 22m

Direct flights

None

Airports in Buenos Aires

1 airport
The best one-way flight to Buenos Aires from Ontario in the past 72 hours is $366. The best round-trip flight deal from Ontario to Buenos Aires found on momondo in the last 72 hours is $845.
The fastest flight from Ontario to Buenos Aires takes 14h 22m
There are no direct flights from Ontario to Buenos Aires. Popular non-direct route for this connection is Ontario Airport - Buenos Aires Ministro Pistarini Airport.
There is 1 airport near Buenos Aires: Buenos Aires Ministro Pistarini (EZE)

  • How far is Ontario to Buenos Aires by plane?

    The straight-line distance from Ontario to Buenos Aires is 6094.6 mi. By plane, this route typically takes 14h 37m.

  • When did momondo last update prices for flights from Ontario Airport to Buenos Aires?

    Prices for flights from Ontario Airport to Buenos Aires are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario Airport to Buenos Aires?

  • How old do you have to be to fly from Ontario Airport to Buenos Aires?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Ontario to Buenos Aires?


Best airlines flying from Ontario to Buenos Aires

Compare and see reviews for airlines that fly from Ontario to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $1,133Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Buenos Aires?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Buenos Aires. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Buenos Aires with flexible booking policies on momondo?

All flight searches from Ontario to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Buenos Aires?

Once all potential Ontario to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Buenos Aires right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from Ontario and alert you when they change.


An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 11/26
Tue 12/3
Email me momondo's favorite deals

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires