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$ 509. Users have also found prices from C$ 520 and C$ 543 on Avianca and United Airlines, 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 10% 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$ 1,199.

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$ 1,310 on average during September, but can be found for as low as C$ 855.

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$ 509+ Flights from Ontario to Buenos Aires

Cheap flight deals from Ontario to Buenos Aires

Round-trip from	C$ 1,070
One-way from	C$ 509
Popular in	December
Cheapest in	September
Average price	C$ 1,361

United Airlines
22/4-6/5
4 total stops
48h 49m total
Ontario to Buenos Aires

Search Deals

Copa Airlines
3/4
1 total stop
15h 18m total
Ontario to Buenos Aires

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (C$ 49 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 February 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 20 February 2025.

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

2 stops22h 00mUnited Airlines

Thu 30/1010:55 p.m.EZE - YYZ

2 stops21h 32mUnited Airlines

Deal found 19/2C$ 1,070

Wed 17/99:05 a.m.YYZ - EZE

1 stop19h 30mAvianca

Tue 14/101:40 a.m.EZE - YYZ

1 stop21h 50mAvianca

Deal found 19/2C$ 1,077

Tue 25/210:30 a.m.YYZ - EZE

1 stop22h 20mAmerican Airlines

Tue 25/311:00 p.m.EZE - YYZ

1 stop14h 15mAmerican Airlines

Deal found 19/2C$ 1,097

Mon 15/95:10 p.m.YYZ - AEP

2 stops21h 50mLATAM Airlines

Wed 15/108:10 p.m.AEP - YYZ

2 stops21h 51mLATAM Airlines

Deal found 19/2C$ 1,115

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

2 stops27h 58mLATAM Airlines

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

2 stops29h 35mLATAM Airlines

Deal found 19/2C$ 1,119

Tue 7/106:15 p.m.YUL - AEP

2 stops20h 45mLATAM Airlines

Tue 14/101:30 p.m.AEP - YUL

2 stops23h 16mLATAM Airlines

Deal found 19/2C$ 1,121

Mon 24/22:20 p.m.YUL - EZE

2 stops18h 09mAmerican Airlines

Tue 11/38:30 p.m.EZE - YUL

2 stops18h 00mAmerican Airlines

Deal found 19/2C$ 1,122

Wed 17/911:30 a.m.YYZ - EZE

2 stops17h 40mDelta

Thu 16/107:40 a.m.EZE - YYZ

2 stops17h 17mDelta

Deal found 19/2C$ 1,129

Thu 3/46:15 p.m.YYZ - AEP

2 stops23h 05mMultiple Airlines

Wed 16/45:40 a.m.AEP - YYZ

2 stops19h 16mMultiple Airlines

Deal found 19/2C$ 1,132

Sun 14/96:15 p.m.YUL - EZE

2 stops31h 15mDelta

Mon 22/98:10 p.m.EZE - YUL

1 stop16h 36mDelta

Deal found 20/2C$ 1,132

Mon 7/49:00 a.m.YYZ - EZE

1 stop14h 47mCopa Airlines

Mon 14/42:45 p.m.EZE - YYZ

1 stop35h 29mCopa Airlines

Deal found 18/2C$ 1,136

Thu 27/37:00 a.m.YUL - AEP

2 stops27h 00mMultiple Airlines

Wed 9/412:40 a.m.AEP - YUL

2 stops24h 19mMultiple Airlines

Deal found 18/2C$ 1,141

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 20 February 2025.

Tue 22/410:05 a.m.YYZ - EZE

2 stops20h 55mUnited Airlines

Tue 6/59:00 p.m.EZE - YYZ

2 stops27h 54mUnited Airlines

Deal found 19/2C$ 1,070

Wed 19/31:20 p.m.YYZ - EZE

2 stops18h 40mDelta

Mon 14/48:10 p.m.EZE - YYZ

2 stops16h 15mDelta

Deal found 20/2C$ 1,108

Fri 28/36:05 p.m.YYZ - AEP

2 stops21h 55mLATAM Airlines

Sun 6/410:55 p.m.AEP - YYZ

2 stops26h 35mLATAM Airlines

Deal found 19/2C$ 1,115

Thu 3/46:15 p.m.YYZ - AEP

2 stops23h 05mMultiple Airlines

Wed 16/45:40 a.m.AEP - YYZ

2 stops19h 16mMultiple Airlines

Deal found 19/2C$ 1,132

Mon 7/49:00 a.m.YYZ - EZE

1 stop14h 47mCopa Airlines

Mon 14/42:45 p.m.EZE - YYZ

1 stop35h 29mCopa Airlines

Deal found 18/2C$ 1,136

Thu 3/411:30 p.m.YYZ - EZE

2 stops38h 00mAir Canada

Wed 16/44:35 p.m.EZE - YYZ

2 stops19h 04mAir Canada

Deal found 18/2C$ 1,151

Sun 18/59:05 a.m.YYZ - AEP

1 stop19h 35mAvianca

Thu 22/57:00 a.m.AEP - YYZ

1 stop16h 30mAvianca

Deal found 19/2C$ 1,179

Tue 25/210:59 a.m.YUL - EZE

1 stop21h 51mAmerican Airlines

Mon 10/38:30 p.m.EZE - YUL

1 stop27h 50mAmerican Airlines

Deal found 19/2C$ 1,243

Mon 31/311:06 a.m.YYZ - EZE

1 stop21h 54mAeromexico

Mon 7/412:00 p.m.EZE - YYZ

1 stop19h 10mAeromexico

Deal found 18/2C$ 1,487

Tue 8/411:40 a.m.YUL - EZE

1 stop14h 45mArajet

Mon 21/44:25 a.m.EZE - YUL

1 stop18h 05mArajet

Deal found 20/2C$ 1,575

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

2 stops27h 58mLATAM Airlines

Tue 8/47:35 a.m.EZE - YYZ

2 stops17h 21mLATAM Airlines

Deal found 18/2C$ 1,118

Thu 27/37:00 a.m.YUL - AEP

2 stops27h 00mMultiple Airlines

Wed 9/412:40 a.m.AEP - YUL

2 stops24h 19mMultiple Airlines

Deal found 20/2C$ 1,136

Last-minute flights from Ontario to Buenos Aires
Discover last-minute flight deals from Ontario to Buenos Aires. Data last updated 20 February 2025 and is based on user searches.

Sat 22/210:00 a.m.YYZ - EZE

2 stops19h 20mUnited Airlines

Thu 13/311:55 p.m.EZE - YYZ

1 stop15h 25mUnited Airlines

Deal found 20/2C$ 1,108

Mon 24/22:20 p.m.YUL - EZE

2 stops18h 09mAmerican Airlines

Mon 10/38:30 p.m.EZE - YUL

2 stops19h 55mAmerican Airlines

Deal found 19/2C$ 1,122

Tue 25/210:30 a.m.YYZ - EZE

1 stop22h 20mAmerican Airlines

Tue 25/311:00 p.m.EZE - YYZ

1 stop14h 15mAmerican Airlines

Deal found 19/2C$ 1,097

Tue 25/27:40 p.m.YYZ - EZE

2 stops33h 40mUnited Airlines

Tue 4/310:05 p.m.EZE - YYZ

2 stops21h 41mUnited Airlines

Deal found 19/2C$ 1,109

Tue 25/210:59 a.m.YUL - EZE

1 stop21h 51mAmerican Airlines

Mon 10/38:30 p.m.EZE - YUL

1 stop27h 50mAmerican Airlines

Deal found 19/2C$ 1,243

Tue 25/26:03 p.m.YUL - EZE

1 stop36h 57mDelta

Tue 4/39:00 p.m.EZE - YUL

1 stop16h 47mDelta

Deal found 19/2C$ 1,338

Tue 25/23:25 p.m.YTZ - EZE

2 stops22h 00mAir Canada

Tue 25/34:00 p.m.EZE - YTZ

2 stops18h 50mAir Canada

Deal found 19/2C$ 1,366

Tue 25/212:20 p.m.YYZ - AEP

2 stops28h 10mLATAM Airlines

Tue 4/38:40 a.m.AEP - YYZ

2 stops28h 35mLATAM Airlines

Deal found 19/2C$ 1,376

Tue 25/26:30 p.m.YUL - EZE

2 stops34h 50mUnited Airlines

Tue 4/310:05 p.m.EZE - YUL

2 stops19h 53mUnited Airlines

Deal found 19/2C$ 1,402

Tue 25/212:20 p.m.YYZ - AEP

2 stops20h 40mDelta

Tue 25/36:20 a.m.AEP - YYZ

2 stops18h 38mDelta

Deal found 19/2C$ 1,480

Tue 25/210:30 a.m.YYZ - EZE

1 stop22h 20mAmerican Airlines

Tue 25/311:00 p.m.EZE - YYZ

2 stops17h 50mAmerican Airlines

Deal found 19/2C$ 1,102

Fri 28/212:52 p.m.YUL - EZE

2 stops31h 11mLATAM Airlines

Sat 8/37:45 a.m.EZE - YUL

2 stops18h 07mLATAM Airlines

Deal found 20/2C$ 1,456

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 20 February 2025.

Thu 3/48:29 a.m.YUL - EZE

1 stop15h 18mCopa Airlines

Deal found 20/2C$ 509

Sun 13/49:00 a.m.YYZ - EZE

2 stops28h 50mMultiple Airlines

Deal found 20/2C$ 513

Mon 14/79:05 a.m.YYZ - EZE

1 stop14h 05mAvianca

Deal found 19/2C$ 520

Mon 14/48:29 a.m.YUL - EZE

2 stops18h 16mMultiple Airlines

Deal found 20/2C$ 536

Thu 3/48:29 a.m.YUL - AEP

3 stops38h 41mMultiple Airlines

Deal found 20/2C$ 538

Sun 11/59:05 a.m.YYZ - AEP

1 stop19h 35mAvianca

Deal found 19/2C$ 541

Sat 5/45:30 p.m.YYZ - EZE

2 stops37h 30mUnited Airlines

Deal found 19/2C$ 543

Tue 6/57:00 a.m.YUL - AEP

2 stops26h 30mLATAM Airlines

Deal found 18/2C$ 547

Sat 5/47:29 p.m.YOW - EZE

2 stops35h 31mUnited Airlines

Deal found 19/2C$ 548

Tue 18/36:25 p.m.YTZ - EZE

2 stops19h 00mAir Canada

Deal found 18/2C$ 562

Fri 4/47:30 p.m.YYZ - EZE

2 stops18h 00mAir Canada

Deal found 19/2C$ 571

Thu 3/74:00 p.m.YYZ - AEP

2 stops28h 40mMultiple Airlines

Deal found 18/2C$ 574

Find flights from Ontario to Buenos Aires within your budget

Fly from

Fly to

Route

Depart

Return

Price

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 22/4

10:05 a.m.-8:00 a.m.

2 stops20h 55m

Buenos Aires Ministro Pistarini

Tue 6/5

9:00 p.m.-11:54 p.m.

2 stops27h 54m

C$ 1,070

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Fri 28/3

6:05 p.m.-5:00 p.m.

2 stops21h 55m

Buenos Aires Jorge Newbery

Sun 6/4

10:55 p.m.-12:30 a.m.

2 stops26h 35m

C$ 1,115

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 1/4

12:15 p.m.-5:13 p.m.

2 stops27h 58m

Buenos Aires Ministro Pistarini

Tue 8/4

7:35 a.m.-11:56 p.m.

2 stops17h 21m

C$ 1,118

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Thu 3/4

6:15 p.m.-6:20 p.m.

2 stops23h 05m

Buenos Aires Jorge Newbery

Wed 16/4

5:40 a.m.-11:56 p.m.

2 stops19h 16m

C$ 1,132

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 19/3

12:40 p.m.-9:00 a.m.

1 stop19h 20m

Buenos Aires Ministro Pistarini

Wed 26/3

7:35 a.m.-10:27 a.m.

2 stops27h 52m

C$ 1,134

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 7/4

9:00 a.m.-12:47 a.m.

1 stop14h 47m

Buenos Aires Ministro Pistarini

Mon 14/4

2:45 p.m.-1:14 a.m.

1 stop35h 29m

C$ 1,136

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Thu 27/3

7:00 a.m.-11:00 a.m.

2 stops27h 00m

Buenos Aires Jorge Newbery

Thu 10/4

6:20 a.m.-11:59 p.m.

2 stops18h 39m

C$ 1,141

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 8/4

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

2 stops21h 15m

Buenos Aires Ministro Pistarini

Tue 13/5

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

2 stops21h 26m

C$ 1,148

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 3/4

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

2 stops38h 00m

Buenos Aires Ministro Pistarini

Wed 16/4

4:35 p.m.-10:39 a.m.

2 stops19h 04m

C$ 1,151

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sat 5/4

8:29 a.m.-12:47 a.m.

1 stop15h 18m

Buenos Aires Ministro Pistarini

Sat 12/4

2:45 p.m.-12:40 a.m.

1 stop34h 55m

C$ 1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

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.

Travel insights for flights from Ontario to Buenos Aires

Get recent, data-driven insights about flights from Ontario to Buenos Aires including ideal travel times, pricing trends, and more.

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.

Weekly flight availability from Region of Ontario to Buenos Aires

The most flights from CAON to BUE are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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, Copa Airlines and SWISS. 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

8,220 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

8,220 reviews

Delta

8.0

Very good

8,220 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

1,510 reviews

Delta

8.0

Very good

8,220 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

1,568 reviews

Delta

8.0

Very good

8,220 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

1,795 reviews

Delta

8.0

Very good

8,220 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

8,766 reviews

Delta

8.0

Very good

8,220 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$ 509. Users have also found prices from C$ 520 and C$ 543 on Avianca and United Airlines, 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$ 575	AverageC$ 1,266	FlexibilityNo cancel fee	On-time70%	Search Copa Airlines flights
Arajet	CheapestC$ 682	AverageC$ 891	FlexibilityNo cancel fee	On-timeN/A	Search Arajet flights
LATAM Airlines	CheapestC$ 841	AverageC$ 1,360	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
American Airlines	CheapestC$ 1,016	AverageC$ 1,255	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Avianca	CheapestC$ 1,045	AverageC$ 1,290	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
Delta	CheapestC$ 1,062	AverageC$ 1,158	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 1,087	AverageC$ 1,572	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 1,117	AverageC$ 1,364	FlexibilityNo cancel fee	On-time67%	Search Air Canada 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$ 509

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 3/4. 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 20 February 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 20 February 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 20 February 2025.

Find flights from Ontario to Buenos Aires within your budget

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.

Travel insights for flights from Ontario to Buenos Aires

Get recent, data-driven insights about flights from Ontario to Buenos Aires including ideal travel times, pricing trends, and more.

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 20 February 2025.

Weekly flight availability from Region of Ontario to Buenos Aires

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, Copa Airlines and SWISS. 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

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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 20 February 2025.