What are the cheapest airlines to fly from Region of Ontario to Buenos Aires one-way?

For one-way options, check prices for Avianca. According to our data, you can fly for as low as C$ 349. Users have also found prices from C$ 511 and C$ 522 on Copa Airlines and Air Canada, respectively.

What are the most popular routes from Region of Ontario to Buenos Aires?

When deciding which route to take from Region of Ontario to Buenos Aires consider Toronto Pearson Intl - Buenos Aires Ministro Pistarini, Toronto Pearson Intl - Buenos Aires Jorge Newbery or Montreal Pierre Elliott Trudeau Intl - Buenos Aires Ministro Pistarini as they are the most popular.

What are the most popular airlines that fly from Region of Ontario to Buenos Aires?

American Airlines, Air Canada and Avianca are the most popular airlines when flying from Region of Ontario to Buenos Aires.

How far in advance should I book a flight from Region of Ontario to Buenos Aires?

Find a great deal and save up to 16% by booking at least 18 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Region of Ontario to Buenos Aires within the next two weeks, with the cheapest ticket starting at C$ 1,183.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Buenos Aires. Flights to Buenos Aires from Region of Ontario in September are about C$ 1,313 on average during September, but can be found for as low as C$ 883.

Can I find deals for flights from Ontario to Buenos Aires that include hotel bookings?

Yes. In addition to deals on Ontario to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Buenos Aires?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Buenos Aires.

Can I find deals for business class flights from Ontario to Buenos Aires?

Yes. Cheapflights offers flight deals from Ontario to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 349+ Flights from Ontario to Buenos Aires

Cheap flight deals from Ontario to Buenos Aires

Round-trip from	C$ 1,071
One-way from	C$ 349
Popular in	December
Cheapest in	September
Average price	C$ 1,239

United Airlines
1/7-20/8
4 total stops
75h 06m total
Ontario to Buenos Aires

Search Deals

Avianca
7/4
1 total stop
14h 55m total
Ontario to Buenos Aires

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (C$ 71 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Ontario to Buenos Aires

Cheapest flights from Ontario to Buenos Aires
Explore the most affordable flight options available from Ontario to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2025.

Tue 1/75:50 p.m.YOW - EZE

2 stops37h 10mUnited Airlines

Wed 20/89:00 p.m.EZE - YOW

2 stops37h 56mUnited Airlines

Deal found 31/3C$ 1,071

Tue 2/99:45 a.m.YUL - EZE

2 stops45h 15mUnited Airlines

Wed 24/99:00 p.m.EZE - YUL

2 stops45h 54mUnited Airlines

Deal found 30/3C$ 1,076

Wed 29/109:00 a.m.YYZ - EZE

1 stop14h 15mAvianca

Tue 11/111:45 a.m.EZE - YYZ

1 stop21h 45mAvianca

Deal found 31/3C$ 1,076

Wed 29/108:15 a.m.YYZ - AEP

2 stops18h 50mMultiple Airlines

Wed 12/113:40 p.m.AEP - YYZ

2 stops21h 35mMultiple Airlines

Deal found 31/3C$ 1,084

Sun 1/611:11 a.m.YUL - AEP

2 stops26h 29mLATAM Airlines

Fri 6/65:00 p.m.AEP - YUL

2 stops21h 41mLATAM Airlines

Deal found 31/3C$ 1,085

Mon 12/511:25 p.m.YUL - EZE

1 stop14h 55mAvianca

Tue 27/51:40 a.m.EZE - YUL

1 stop21h 25mAvianca

Deal found 31/3C$ 1,085

Fri 30/55:25 p.m.YTZ - EZE

2 stops20h 05mAir Canada

Mon 9/64:35 p.m.EZE - YTZ

2 stops26h 15mAir Canada

Deal found 31/3C$ 1,087

Thu 9/109:00 a.m.YYZ - EZE

1 stop14h 55mCopa Airlines

Thu 23/1010:05 a.m.EZE - YYZ

1 stop16h 08mCopa Airlines

Deal found 30/3C$ 1,087

Sun 1/67:00 a.m.YUL - EZE

2 stops21h 55mLATAM Airlines

Fri 6/612:58 p.m.EZE - YUL

2 stops25h 43mLATAM Airlines

Deal found 31/3C$ 1,091

Tue 27/510:15 p.m.YYZ - EZE

1 stop15h 15mAir Canada

Mon 9/64:35 p.m.EZE - YYZ

2 stops31h 39mAir Canada

Deal found 31/3C$ 1,097

Tue 1/710:45 p.m.YUL - EZE

1 stop14h 45mAir Canada

Wed 6/84:35 p.m.EZE - YUL

1 stop14h 40mAir Canada

Deal found 30/3C$ 1,101

Wed 1/108:41 a.m.YUL - EZE

1 stop15h 14mCopa Airlines

Wed 15/102:13 a.m.EZE - YUL

1 stop23h 27mCopa Airlines

Deal found 30/3C$ 1,102

Best flights from Ontario to Buenos Aires
Discover carefully curated flight deals from Ontario to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 1 April 2025.

Tue 1/75:50 p.m.YOW - EZE

2 stops37h 10mUnited Airlines

Wed 20/89:00 p.m.EZE - YOW

2 stops37h 56mUnited Airlines

Deal found 31/3C$ 1,071

Wed 14/511:50 p.m.YYZ - EZE

1 stop23h 20mAvianca

Thu 29/54:45 p.m.EZE - YYZ

1 stop15h 30mAvianca

Deal found 31/3C$ 1,081

Sun 1/611:11 a.m.YUL - AEP

2 stops26h 29mLATAM Airlines

Fri 6/65:00 p.m.AEP - YUL

2 stops21h 41mLATAM Airlines

Deal found 31/3C$ 1,085

Fri 30/55:25 p.m.YTZ - EZE

2 stops20h 05mAir Canada

Mon 9/64:35 p.m.EZE - YTZ

2 stops26h 15mAir Canada

Deal found 31/3C$ 1,087

Wed 7/59:05 a.m.YYZ - AEP

1 stop19h 35mMultiple Airlines

Mon 2/65:45 a.m.AEP - YYZ

2 stops20h 28mMultiple Airlines

Deal found 31/3C$ 1,092

Thu 29/58:41 a.m.YUL - EZE

1 stop15h 17mCopa Airlines

Sun 1/610:05 a.m.EZE - YUL

1 stop15h 35mCopa Airlines

Deal found 29/3C$ 1,102

Mon 7/46:00 p.m.YUL - EZE

1 stop14h 45mDelta

Tue 13/57:40 a.m.EZE - YUL

2 stops35h 00mDelta

Deal found 31/3C$ 1,157

Wed 14/510:55 a.m.YYZ - EZE

1 stop22h 20mAmerican Airlines

Thu 29/59:15 p.m.EZE - YYZ

1 stop14h 00mAmerican Airlines

Deal found 31/3C$ 1,266

Sat 31/511:40 a.m.YYZ - EZE

1 stop14h 45mArajet

Mon 9/68:30 p.m.EZE - YYZ

1 stop15h 10mArajet

Deal found 31/3C$ 1,453

Mon 23/611:10 a.m.YUL - EZE

1 stop33h 15mAeroMexico Connect

Mon 14/711:25 p.m.EZE - YUL

1 stop33h 05mAeroMexico Connect

Deal found 30/3C$ 1,549

Mon 12/511:25 p.m.YUL - EZE

1 stop14h 55mAvianca

Tue 27/51:40 a.m.EZE - YUL

1 stop21h 25mAvianca

Deal found 31/3C$ 1,085

Sun 1/67:00 a.m.YUL - EZE

2 stops21h 55mLATAM Airlines

Fri 6/612:58 p.m.EZE - YUL

2 stops25h 43mLATAM Airlines

Deal found 31/3C$ 1,091

Last-minute flights from Ontario to Buenos Aires
Discover last-minute flight deals from Ontario to Buenos Aires. Data last updated 1 April 2025 and is based on user searches.

Tue 1/412:15 p.m.YYZ - EZE

2 stops22h 33mLATAM Airlines

Tue 8/47:30 a.m.EZE - YYZ

2 stops17h 26mLATAM Airlines

Deal found 31/3C$ 1,167

Tue 1/46:15 p.m.YYZ - AEP

2 stops20h 45mLATAM Airlines

Tue 8/43:40 p.m.AEP - YYZ

2 stops20h 26mLATAM Airlines

Deal found 31/3C$ 1,186

Wed 2/411:50 p.m.YYZ - EZE

1 stop14h 30mAvianca

Mon 7/46:50 a.m.EZE - YYZ

1 stop16h 40mAvianca

Deal found 31/3C$ 1,079

Wed 2/49:05 a.m.YYZ - AEP

1 stop19h 35mAvianca

Mon 7/47:00 a.m.AEP - YYZ

1 stop16h 30mAvianca

Deal found 31/3C$ 1,120

Wed 2/411:25 p.m.YUL - EZE

1 stop14h 55mMultiple Airlines

Tue 8/412:48 p.m.EZE - YUL

2 stops23h 45mMultiple Airlines

Deal found 31/3C$ 1,148

Thu 3/46:00 p.m.YUL - AEP

2 stops21h 00mLATAM Airlines

Tue 8/43:40 p.m.AEP - YUL

2 stops26h 12mLATAM Airlines

Deal found 30/3C$ 1,099

Mon 7/46:00 p.m.YUL - AEP

2 stops21h 00mLATAM Airlines

Tue 13/510:35 a.m.AEP - YUL

2 stops32h 05mLATAM Airlines

Deal found 30/3C$ 1,141

Mon 7/46:00 p.m.YUL - EZE

1 stop14h 45mDelta

Tue 13/57:40 a.m.EZE - YUL

2 stops35h 00mDelta

Deal found 31/3C$ 1,157

Mon 7/412:41 p.m.YUL - EZE

2 stops28h 32mLATAM Airlines

Tue 13/57:30 a.m.EZE - YUL

2 stops29h 09mLATAM Airlines

Deal found 31/3C$ 1,184

Mon 7/46:05 a.m.YOW - EZE

2 stops24h 55mUnited Airlines

Sun 13/49:00 p.m.EZE - YOW

2 stops37h 58mUnited Airlines

Deal found 31/3C$ 1,266

Tue 8/412:14 p.m.YYZ - AEP

2 stops22h 46mLATAM Airlines

Mon 14/45:00 p.m.AEP - YYZ

2 stops24h 59mLATAM Airlines

Deal found 30/3C$ 1,263

Tue 8/49:00 a.m.YYZ - EZE

1 stop14h 58mMultiple Airlines

Mon 14/46:50 a.m.EZE - YYZ

1 stop16h 40mMultiple Airlines

Deal found 30/3C$ 1,376

One-way flights from Ontario to Buenos Aires
Search for one-way flight options from Ontario to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 1 April 2025.

Mon 7/411:25 p.m.YUL - EZE

1 stop14h 55mAvianca

Deal found 31/3C$ 349

Mon 19/511:25 p.m.YUL - AEP

2 stops17h 55mMultiple Airlines

Deal found 30/3C$ 423

Mon 7/411:25 p.m.YUL - EZE

2 stops30h 35mMultiple Airlines

Deal found 30/3C$ 435

Wed 7/59:05 a.m.YYZ - AEP

3 stops39h 27mMultiple Airlines

Deal found 31/3C$ 461

Thu 8/511:50 p.m.YYZ - EZE

3 stops39h 05mMultiple Airlines

Deal found 31/3C$ 469

Fri 4/49:00 a.m.YYZ - EZE

1 stop22h 19mCopa Airlines

Deal found 31/3C$ 511

Mon 5/511:50 p.m.YYZ - EZE

1 stop14h 30mAvianca

Deal found 31/3C$ 520

Tue 6/56:25 p.m.YTZ - EZE

2 stops19h 05mAir Canada

Deal found 31/3C$ 522

Fri 2/510:15 p.m.YYZ - EZE

1 stop15h 15mAir Canada

Deal found 31/3C$ 533

Tue 6/510:45 p.m.YUL - EZE

1 stop14h 45mAir Canada

Deal found 30/3C$ 537

Wed 14/54:05 p.m.YOW - EZE

2 stops21h 25mAir Canada

Deal found 31/3C$ 540

Sun 13/47:00 a.m.YUL - EZE

1 stop23h 20mAmerican Airlines

Deal found 30/3C$ 563

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 1/7

5:50 p.m.-8:00 a.m.

2 stops37h 10m

Buenos Aires Ministro Pistarini

Wed 20/8

9:00 p.m.-9:56 a.m.

2 stops37h 56m

C$ 1,071

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

9:45 a.m.-8:00 a.m.

2 stops45h 15m

Buenos Aires Ministro Pistarini

Wed 24/9

9:00 p.m.-5:54 p.m.

2 stops45h 54m

C$ 1,076

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 14/5

11:50 p.m.-12:10 a.m.

1 stop23h 20m

Buenos Aires Ministro Pistarini

Thu 29/5

4:45 p.m.-7:15 a.m.

1 stop15h 30m

C$ 1,081

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 1/6

11:11 a.m.-2:40 p.m.

2 stops26h 29m

Buenos Aires Jorge Newbery

Fri 6/6

5:00 p.m.-1:41 p.m.

2 stops21h 41m

C$ 1,085

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 12/5

11:25 p.m.-3:20 p.m.

1 stop14h 55m

Buenos Aires Ministro Pistarini

Tue 27/5

1:40 a.m.-10:05 p.m.

1 stop21h 25m

C$ 1,085

TorontoBuenos Aires

YTZ - EZE

YTZEZE

Toronto Island

Fri 30/5

5:25 p.m.-2:30 p.m.

2 stops20h 05m

Buenos Aires Ministro Pistarini

Mon 9/6

4:35 p.m.-5:50 p.m.

2 stops26h 15m

C$ 1,087

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sun 1/6

7:00 a.m.-5:55 a.m.

2 stops21h 55m

Buenos Aires Ministro Pistarini

Fri 6/6

12:58 p.m.-1:41 p.m.

2 stops25h 43m

C$ 1,091

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Wed 7/5

9:05 a.m.-5:40 a.m.

1 stop19h 35m

Buenos Aires Jorge Newbery

Mon 2/6

5:45 a.m.-1:13 a.m.

2 stops20h 28m

C$ 1,092

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 5/5

11:20 p.m.-2:30 p.m.

2 stops38h 10m

Buenos Aires Ministro Pistarini

Mon 12/5

4:35 p.m.-12:39 p.m.

2 stops21h 04m

C$ 1,094

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 1/7

10:45 p.m.-2:30 p.m.

1 stop14h 45m

Buenos Aires Ministro Pistarini

Wed 6/8

4:35 p.m.-6:15 a.m.

1 stop14h 40m

C$ 1,101

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

Showing 1-10 of 60 results

...

Best time to book a flight from Ontario to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Region of Ontario to Buenos Aires?

Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Buenos Aires (average of C$ 816). Flying from Region of Ontario to Buenos Aires in December is currently the most expensive (average of C$ 1,063). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to BUE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Buenos Aires as you normally would.

Rainfall in Buenos Aires by month

In terms of precipitation, rainfall in Buenos Aires ranges from 50.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. June is typically the driest time to visit Buenos Aires when rainfall is around 50.0 mm.

Temperature in Buenos Aires by month

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Buenos Aires

To help decide which airline to fly from Ontario to Buenos Aires, see what other customers have to say about Delta, AeroMexico Connect and Copa Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,899 reviews

Delta

8.0

Very good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

AeroMexico Connect

7.8

Good

74 reviews

Delta

8.0

Very good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Copa Airlines

7.6

Good

1,400 reviews

Delta

8.0

Very good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LATAM Airlines

7.5

Good

1,754 reviews

Delta

8.0

Very good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,615 reviews

Delta

8.0

Very good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Region of Ontario to Buenos Aires one-way?
For one-way options, check prices for Avianca. According to our data, you can fly for as low as C$ 349. Users have also found prices from C$ 511 and C$ 522 on Copa Airlines and Air Canada, respectively.
What are the most popular routes from Region of Ontario to Buenos Aires?
When deciding which route to take from Region of Ontario to Buenos Aires consider Toronto Pearson Intl - Buenos Aires Ministro Pistarini, Toronto Pearson Intl - Buenos Aires Jorge Newbery or Montreal Pierre Elliott Trudeau Intl - Buenos Aires Ministro Pistarini as they are the most popular.
Can I find deals for flights from Ontario to Buenos Aires that include hotel bookings?
Yes. In addition to deals on Ontario to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Buenos Aires?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Buenos Aires.
Can I find deals for business class flights from Ontario to Buenos Aires?
Yes. Cheapflights offers flight deals from Ontario to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Region of Ontario to Buenos Aires?
Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Buenos Aires (average of C$ 816). Flying from Region of Ontario to Buenos Aires in December is currently the most expensive (average of C$ 1,063). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Ontario to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	CheapestC$ 581	AverageC$ 1,263	FlexibilityNo cancel fee	On-time70%	Search Copa Airlines flights
Arajet	CheapestC$ 648	AverageC$ 909	FlexibilityNo cancel fee	On-timeN/A	Search Arajet flights
LATAM Airlines	CheapestC$ 797	AverageC$ 1,353	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
American Airlines	CheapestC$ 1,026	AverageC$ 1,413	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Avianca	CheapestC$ 1,056	AverageC$ 1,323	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
Air Canada	CheapestC$ 1,060	AverageC$ 1,374	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Delta	CheapestC$ 1,073	AverageC$ 1,177	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 1,101	AverageC$ 1,525	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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How does Cheapflights help users find flights from Ontario to Buenos Aires?

Cheapflights helps you search for flights from Ontario to Buenos Aires via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Buenos Aires?

Cheapflights helps you find that perfect flight to Buenos Aires from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Buenos Aires with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Buenos Aires flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Buenos Aires become cheaper?

Yes! Start tracking prices for Ontario to Buenos Aires flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Ontario to Buenos Aires from C$ 349

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Buenos Aires

Keep the following information in mind while searching for Ontario to Buenos Aires flight deals. Data was last updated 1 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Buenos Aires

Cheapest flights from Ontario to Buenos AiresExplore the most affordable flight options available from Ontario to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2025.

Explore the most affordable flight options available from Ontario to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Buenos Aires that are best for you.

Best time to book a flight from Ontario to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Ontario with our price prediction graph.

Cheapflights Insights

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

What is the cheapest month to book a flight from Region of Ontario to Buenos Aires?

What is the cheapest time of day to fly from ON to BUE?

Find hourly flight availability from Ontario to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 April 2025.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

Reviews of airlines servicing Buenos Aires

To help decide which airline to fly from Ontario to Buenos Aires, see what other customers have to say about Delta, AeroMexico Connect and Copa Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Region of Ontario to Buenos Aires one-way?

What are the most popular routes from Region of Ontario to Buenos Aires?

Can I find deals for flights from Ontario to Buenos Aires that include hotel bookings?

How can I find direct flights from Ontario to Buenos Aires?

Can I find deals for business class flights from Ontario to Buenos Aires?

What is the cheapest month to book a flight from Region of Ontario to Buenos Aires?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Ontario to Buenos Aires

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Buenos Aires?

Why should you use Cheapflights to find cheap flight tickets from Ontario to Buenos Aires?

Can Cheapflights find flights from Ontario to Buenos Aires with no change fees?

Can Cheapflights notify me if prices for flights from Ontario to Buenos Aires become cheaper?

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Cheapest flights from Ontario to Buenos Aires
Explore the most affordable flight options available from Ontario to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2025.