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

For one-way options, check prices for Copa Airlines. According to our data, you can fly for as low as C$ 498. Users have also found prices from C$ 502 and C$ 505 on Air Canada and Avianca, 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 Montreal Pierre Elliott Trudeau Intl - Buenos Aires Ministro Pistarini, Montreal Pierre Elliott Trudeau Intl - Buenos Aires Jorge Newbery or Toronto Pearson 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 32% by booking at least 41 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$ 1,139.

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$ 1,254 on average during September, but can be found for as low as C$ 832.

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$ 400+ Flights from Ontario to Buenos Aires

Cheap flight deals from Ontario to Buenos Aires

Round-trip from	C$ 999
One-way from	C$ 400
Popular in	December
Cheapest in	September
Average price	C$ 1,179

Arajet
17/9-24/9
2 total stops
28h 42m total
Ontario to Buenos Aires

Search Deals

27/5
2 total stops
28h 40m total
Ontario to Buenos Aires

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 92 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 29 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 22 April 2025.

Tue 6/511:40 a.m.YYZ - AEP

2 stops20h 40mMultiple Airlines

Tue 13/59:55 p.m.AEP - YYZ

2 stops21h 00mMultiple Airlines

Deal found 22/4C$ 1,013

Wed 29/106:55 p.m.YYZ - EZE

1 stop14h 12mArajet

Tue 4/114:25 a.m.EZE - YYZ

1 stop14h 30mArajet

Deal found 22/4C$ 1,027

Wed 10/911:25 p.m.YUL - EZE

1 stop14h 55mAvianca

Thu 25/91:40 a.m.EZE - YUL

1 stop21h 25mAvianca

Deal found 22/4C$ 1,038

Mon 16/68:41 a.m.YUL - EZE

1 stop15h 21mCopa Airlines

Mon 23/610:05 a.m.EZE - YUL

1 stop15h 35mCopa Airlines

Deal found 22/4C$ 1,040

Mon 26/59:00 a.m.YYZ - EZE

1 stop36h 11mCopa Airlines

Sat 7/63:47 a.m.EZE - YYZ

1 stop22h 26mCopa Airlines

Deal found 22/4C$ 1,052

Wed 29/106:00 a.m.YYZ - EZE

2 stops23h 20mUnited Airlines

Wed 5/1110:05 p.m.EZE - YYZ

1 stop18h 05mUnited Airlines

Deal found 21/4C$ 1,063

Mon 14/79:15 a.m.YUL - EZE

2 stops45h 45mUnited Airlines

Tue 29/79:00 p.m.EZE - YUL

2 stops38h 40mUnited Airlines

Deal found 22/4C$ 1,069

Fri 26/99:05 a.m.YYZ - EZE

1 stop14h 05mAvianca

Sat 4/104:45 p.m.EZE - YYZ

1 stop15h 30mAvianca

Deal found 21/4C$ 1,070

Tue 10/611:40 a.m.YYZ - EZE

2 stops29h 32mMultiple Airlines

Tue 24/67:13 p.m.EZE - YYZ

2 stops23h 42mMultiple Airlines

Deal found 21/4C$ 1,074

Fri 2/58:55 p.m.YOW - EZE

2 stops16h 35mAir Canada

Thu 15/54:35 p.m.EZE - YOW

2 stops17h 26mAir Canada

Deal found 22/4C$ 1,075

Tue 13/58:25 p.m.YTZ - EZE

2 stops17h 05mAir Canada

Wed 21/54:35 p.m.EZE - YTZ

2 stops18h 12mAir Canada

Deal found 21/4C$ 1,081

Wed 7/510:15 p.m.YYZ - EZE

1 stop15h 15mAir Canada

Wed 11/64:35 p.m.EZE - YYZ

1 stop15h 15mAir Canada

Deal found 21/4C$ 1,088

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 22 April 2025.

Wed 17/96:55 p.m.YYZ - EZE

1 stop14h 12mArajet

Wed 24/94:25 a.m.EZE - YYZ

1 stop14h 30mArajet

Deal found 22/4C$ 999

Tue 10/69:00 a.m.YYZ - EZE

1 stop15h 02mCopa Airlines

Mon 23/63:47 a.m.EZE - YYZ

1 stop22h 26mCopa Airlines

Deal found 22/4C$ 1,035

Wed 10/911:25 p.m.YUL - EZE

1 stop14h 55mAvianca

Thu 25/91:40 a.m.EZE - YUL

1 stop21h 25mAvianca

Deal found 22/4C$ 1,038

Wed 10/93:59 p.m.YYZ - EZE

1 stop15h 01mUnited Airlines

Tue 30/99:00 p.m.EZE - YYZ

2 stops18h 19mUnited Airlines

Deal found 22/4C$ 1,064

Tue 10/611:40 a.m.YYZ - EZE

2 stops29h 32mMultiple Airlines

Tue 24/67:13 p.m.EZE - YYZ

2 stops23h 42mMultiple Airlines

Deal found 21/4C$ 1,074

Fri 2/58:55 p.m.YOW - EZE

2 stops16h 35mAir Canada

Thu 15/54:35 p.m.EZE - YOW

2 stops17h 26mAir Canada

Deal found 22/4C$ 1,075

Wed 21/51:25 p.m.YYZ - AEP

2 stops24h 15mLATAM Airlines

Wed 28/512:55 p.m.AEP - YYZ

2 stops23h 25mLATAM Airlines

Deal found 21/4C$ 1,109

Mon 29/96:00 a.m.YUL - EZE

2 stops46h 55mDelta

Sun 19/103:55 a.m.EZE - YUL

2 stops42h 31mDelta

Deal found 22/4C$ 1,149

Thu 15/510:55 a.m.YYZ - EZE

1 stop22h 20mAmerican Airlines

Mon 26/510:30 p.m.EZE - YYZ

1 stop14h 29mAmerican Airlines

Deal found 22/4C$ 1,164

Tue 22/71:15 a.m.YYZ - EZE

1 stop19h 10mAeromexico

Mon 11/811:25 p.m.EZE - YYZ

1 stop31h 45mAeromexico

Deal found 22/4C$ 1,440

Mon 16/68:41 a.m.YUL - EZE

1 stop15h 21mCopa Airlines

Mon 23/610:05 a.m.EZE - YUL

1 stop15h 35mCopa Airlines

Deal found 22/4C$ 1,040

Mon 14/79:15 a.m.YUL - EZE

2 stops21h 45mUnited Airlines

Thu 31/79:00 p.m.EZE - YUL

2 stops45h 26mUnited Airlines

Deal found 22/4C$ 1,069

Last-minute flights from Ontario to Buenos Aires
Discover last-minute flight deals from Ontario to Buenos Aires. Data last updated 22 April 2025 and is based on user searches.

Sun 27/410:45 p.m.YUL - EZE

1 stop14h 45mAir Canada

Sat 10/54:35 p.m.EZE - YUL

1 stop14h 40mAir Canada

Deal found 21/4C$ 1,106

Sun 27/46:00 p.m.YUL - AEP

2 stops23h 35mLATAM Airlines

Sat 10/53:40 p.m.AEP - YUL

2 stops20h 59mLATAM Airlines

Deal found 21/4C$ 1,279

Sun 27/48:29 a.m.YUL - EZE

1 stop15h 29mCopa Airlines

Fri 9/53:47 a.m.EZE - YUL

1 stop21h 53mCopa Airlines

Deal found 21/4C$ 1,443

Sun 27/411:25 p.m.YUL - EZE

3 stops32h 45mMultiple Airlines

Sat 10/54:35 p.m.EZE - YUL

2 stops23h 46mMultiple Airlines

Deal found 21/4C$ 1,476

Sun 27/47:00 a.m.YUL - AEP

3 stops40h 22mMultiple Airlines

Sat 10/54:55 a.m.AEP - YUL

3 stops30h 26mMultiple Airlines

Deal found 21/4C$ 1,500

Mon 28/47:45 a.m.YYZ - AEP

2 stops29h 55mLATAM Airlines

Sun 4/55:00 p.m.AEP - YYZ

2 stops31h 56mLATAM Airlines

Deal found 21/4C$ 1,158

Mon 28/47:45 a.m.YYZ - EZE

2 stops33h 28mLATAM Airlines

Sat 3/53:55 a.m.EZE - YYZ

2 stops38h 05mLATAM Airlines

Deal found 21/4C$ 1,193

Mon 28/41:27 p.m.YYZ - EZE

1 stop19h 18mDelta

Sun 4/57:40 a.m.EZE - YYZ

2 stops29h 32mDelta

Deal found 21/4C$ 1,243

Mon 28/49:05 a.m.YYZ - EZE

1 stop14h 05mAvianca

Sat 3/51:40 a.m.EZE - YYZ

1 stop21h 50mAvianca

Deal found 21/4C$ 1,494

Fri 2/58:55 p.m.YOW - EZE

2 stops16h 35mAir Canada

Thu 15/54:35 p.m.EZE - YOW

2 stops17h 26mAir Canada

Deal found 22/4C$ 1,075

Fri 2/58:55 p.m.YOW - AEP

2 stops16h 05mMultiple Airlines

Thu 15/53:05 p.m.AEP - YOW

2 stops20h 20mMultiple Airlines

Deal found 22/4C$ 1,547

Fri 2/510:00 a.m.YOW - EZE

2 stops27h 30mMultiple Airlines

Wed 14/52:30 a.m.EZE - YOW

3 stops22h 52mMultiple Airlines

Deal found 22/4C$ 1,699

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 22 April 2025.

Tue 27/511:40 a.m.YYZ - AEP

2 stops28h 40mMultiple Airlines

Deal found 20/4C$ 400

Tue 6/511:40 a.m.YYZ - EZE

2 stops25h 50mMultiple Airlines

Deal found 22/4C$ 445

Sat 24/511:40 a.m.YUL - EZE

2 stops32h 50mMultiple Airlines

Deal found 22/4C$ 467

Wed 18/69:00 a.m.YYZ - EZE

1 stop15h 02mCopa Airlines

Deal found 21/4C$ 498

Tue 13/56:25 p.m.YTZ - EZE

2 stops19h 05mAir Canada

Deal found 21/4C$ 502

Mon 5/511:25 p.m.YUL - EZE

1 stop14h 55mAvianca

Deal found 21/4C$ 505

Wed 18/69:05 a.m.YYZ - EZE

2 stops19h 30mAvianca

Deal found 21/4C$ 516

Mon 5/58:41 a.m.YUL - EZE

1 stop15h 06mCopa Airlines

Deal found 21/4C$ 521

Tue 3/610:15 p.m.YYZ - EZE

1 stop15h 15mAir Canada

Deal found 22/4C$ 531

Fri 6/69:05 a.m.YYZ - AEP

2 stops28h 15mGOL

Deal found 21/4C$ 534

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

1 stop14h 45mAir Canada

Deal found 22/4C$ 535

Sun 1/68:41 a.m.YUL - AEP

3 stops48h 06mMultiple Airlines

Deal found 21/4C$ 539

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

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Tue 6/5

11:40 a.m.-9:20 a.m.

2 stops20h 40m

Buenos Aires Jorge Newbery

Tue 13/5

9:55 p.m.-5:55 p.m.

2 stops21h 00m

C$ 1,013

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

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

1 stop14h 55m

Buenos Aires Ministro Pistarini

Thu 25/9

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

1 stop21h 25m

C$ 1,038

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 16/6

8:41 a.m.-1:02 a.m.

1 stop15h 21m

Buenos Aires Ministro Pistarini

Mon 23/6

10:05 a.m.-12:40 a.m.

1 stop15h 35m

C$ 1,040

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 26/5

9:00 a.m.-10:11 p.m.

1 stop36h 11m

Buenos Aires Ministro Pistarini

Sat 7/6

3:47 a.m.-1:13 a.m.

1 stop22h 26m

C$ 1,052

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 7/10

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

2 stops22h 00m

Buenos Aires Ministro Pistarini

Tue 21/10

9:00 p.m.-7:05 p.m.

2 stops23h 05m

C$ 1,063

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 14/7

9:15 a.m.-8:00 a.m.

2 stops21h 45m

Buenos Aires Ministro Pistarini

Thu 31/7

9:00 p.m.-5:26 p.m.

2 stops45h 26m

C$ 1,069

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Fri 26/9

9:05 a.m.-12:10 a.m.

1 stop14h 05m

Buenos Aires Ministro Pistarini

Sat 4/10

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

1 stop15h 30m

C$ 1,070

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 10/6

11:40 a.m.-6:12 p.m.

2 stops29h 32m

Buenos Aires Ministro Pistarini

Tue 24/6

7:13 p.m.-5:55 p.m.

2 stops23h 42m

C$ 1,074

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Fri 2/5

8:55 p.m.-2:30 p.m.

2 stops16h 35m

Buenos Aires Ministro Pistarini

Thu 15/5

4:35 p.m.-9:01 a.m.

2 stops17h 26m

C$ 1,075

TorontoBuenos Aires

YTZ - EZE

YTZEZE

Toronto Island

Tue 13/5

8:25 p.m.-2:30 p.m.

2 stops17h 05m

Buenos Aires Ministro Pistarini

Wed 21/5

4:35 p.m.-9:47 a.m.

2 stops18h 12m

C$ 1,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/4

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, LATAM Airlines 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

7,920 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

7,920 reviews

Delta

8.0

Very good

7,920 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

1,765 reviews

Delta

8.0

Very good

7,920 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

7.5

Good

1,408 reviews

Delta

8.0

Very good

7,920 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

7.5

Good

1,700 reviews

Delta

8.0

Very good

7,920 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

SWISS

7.5

Good

1,582 reviews

Delta

8.0

Very good

7,920 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 Copa Airlines. According to our data, you can fly for as low as C$ 498. Users have also found prices from C$ 502 and C$ 505 on Air Canada and Avianca, 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 Montreal Pierre Elliott Trudeau Intl - Buenos Aires Ministro Pistarini, Montreal Pierre Elliott Trudeau Intl - Buenos Aires Jorge Newbery or Toronto Pearson 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$ 558	AverageC$ 1,230	FlexibilityNo cancel fee	On-time70%	Search Copa Airlines flights
Arajet	CheapestC$ 624	AverageC$ 875	FlexibilityNo cancel fee	On-timeN/A	Search Arajet flights
LATAM Airlines	CheapestC$ 767	AverageC$ 1,303	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
Delta	CheapestC$ 799	AverageC$ 1,145	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
American Airlines	CheapestC$ 988	AverageC$ 1,361	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	CheapestC$ 999	AverageC$ 1,320	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Avianca	CheapestC$ 1,017	AverageC$ 1,270	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
United Airlines	CheapestC$ 1,060	AverageC$ 1,450	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$ 400

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 27/5. 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 22 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 22 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 22 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 22 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, LATAM Airlines 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 22 April 2025.