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

To fly one-way, consider booking your trip with Arajet, which is currently one of the cheapest options available, starting at C$ 495. Avianca flights start at C$ 559 while deals on LATAM Airlines start at C$ 685 one-way.

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

The most popular flight routes from Buenos Aires to Region of Ontario are Buenos Aires Ministro Pistarini - Toronto Pearson Intl, Buenos Aires Jorge Newbery - Toronto Pearson Intl and Buenos Aires Ministro Pistarini - Montreal Pierre Elliott Trudeau Intl.

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

Travellers have found it’s best to book a flight 57 days in advance to save up to 179% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 57 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Buenos Aires to Region of Ontario 1-2 weeks in advance for as low as C$ 770, or C$ 1,898 for flights within the next 24 hours.

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

Our data shows that April tends to be the cheapest month to fly to Region of Ontario from Buenos Aires. Users have commonly found prices around C$ 1,726 for the month, but tickets can be as low as C$ 833. Due to multiple factors, prepare for potentially higher prices in January.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Buenos Aires to Ontario 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$ 495+ Flights from Buenos Aires to Ontario

Cheap flight deals from Buenos Aires to Ontario

Round-trip from	C$ 1,136
One-way from	C$ 495
Popular in	January
Cheapest in	April
Average price	C$ 1,638

Avianca
10/9-18/9
4 total stops
56h 40m total
Buenos Aires to Ontario

Search Deals

Arajet
27/6
1 total stop
15h 10m total
Buenos Aires to Ontario

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (C$ 394 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 53 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Buenos Aires to Ontario

Cheapest flights from Buenos Aires to Ontario
Explore the most affordable flight options available from Buenos Aires to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Thu 2/106:40 a.m.EZE - YYZ

2 stops25h 35mAvianca

Fri 3/1011:50 p.m.YYZ - EZE

1 stop23h 20mAvianca

Deal found 10/6C$ 1,133

Fri 27/68:30 p.m.EZE - YUL

1 stop15h 10mMultiple Airlines

Thu 10/76:35 p.m.YUL - EZE

2 stops28h 35mMultiple Airlines

Deal found 10/6C$ 1,161

Sat 20/96:40 a.m.EZE - YYZ

2 stops25h 35mMultiple Airlines

Sat 22/1110:50 a.m.YYZ - EZE

1 stop14h 55mMultiple Airlines

Deal found 11/6C$ 1,176

Tue 26/81:40 a.m.EZE - YUL

1 stop21h 25mAvianca

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

1 stop14h 55mAvianca

Deal found 11/6C$ 1,203

Wed 1/103:47 a.m.EZE - YYZ

1 stop22h 26mCopa Airlines

Fri 3/109:00 a.m.YYZ - EZE

1 stop14h 55mCopa Airlines

Deal found 10/6C$ 1,224

Wed 25/67:00 a.m.AEP - YUL

1 stop16h 05mMultiple Airlines

Tue 1/711:01 a.m.YUL - AEP

2 stops23h 19mMultiple Airlines

Deal found 11/6C$ 1,288

Fri 25/78:30 p.m.EZE - YYZ

1 stop15h 10mArajet

Fri 15/86:55 p.m.YYZ - EZE

1 stop21h 20mArajet

Deal found 10/6C$ 1,308

Sun 27/74:55 p.m.AEP - YYZ

3 stops42h 45mMultiple Airlines

Sat 2/81:55 a.m.YYZ - AEP

3 stops32h 35mMultiple Airlines

Deal found 12/6C$ 1,332

Fri 3/1012:48 p.m.EZE - YUL

3 stops36h 05mLATAM Airlines

Sun 9/1112:45 p.m.YUL - EZE

2 stops36h 10mLATAM Airlines

Deal found 11/6C$ 1,349

Mon 15/97:00 a.m.AEP - YUL

1 stop16h 05mAvianca

Sun 21/911:25 p.m.YUL - AEP

1 stop29h 15mAvianca

Deal found 11/6C$ 1,359

Wed 27/89:15 p.m.EZE - YUL

1 stop28h 30mArajet

Wed 10/96:45 a.m.YUL - EZE

1 stop26h 22mArajet

Deal found 12/6C$ 1,374

Wed 16/77:00 a.m.AEP - YYZ

3 stops24h 40mAvianca

Sun 17/89:05 a.m.YYZ - AEP

1 stop19h 35mAvianca

Deal found 12/6C$ 1,378

Best flights from Buenos Aires to Ontario
Discover carefully curated flight deals from Buenos Aires to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 June 2025.

Wed 10/96:50 a.m.EZE - YYZ

3 stops33h 20mAvianca

Thu 18/911:50 p.m.YYZ - EZE

1 stop23h 20mAvianca

Deal found 11/6C$ 1,136

Fri 27/68:30 p.m.EZE - YUL

1 stop15h 10mMultiple Airlines

Thu 10/76:35 p.m.YUL - EZE

2 stops28h 35mMultiple Airlines

Deal found 10/6C$ 1,161

Fri 25/78:30 p.m.EZE - YYZ

1 stop15h 10mArajet

Fri 15/86:55 p.m.YYZ - EZE

1 stop21h 20mArajet

Deal found 10/6C$ 1,308

Fri 3/1012:48 p.m.EZE - YUL

3 stops36h 05mLATAM Airlines

Sun 9/1112:45 p.m.YUL - EZE

2 stops36h 10mLATAM Airlines

Deal found 11/6C$ 1,349

Wed 27/88:45 p.m.EZE - YUL

1 stop27h 35mAmerican Airlines

Wed 10/912:30 p.m.YUL - EZE

2 stops19h 30mAmerican Airlines

Deal found 10/6C$ 1,404

Wed 27/88:10 p.m.EZE - YUL

1 stop18h 28mDelta

Wed 10/911:00 a.m.YUL - EZE

2 stops21h 45mDelta

Deal found 11/6C$ 1,421

Tue 1/78:54 a.m.EZE - YYZ

1 stop17h 19mCopa Airlines

Tue 8/79:00 a.m.YYZ - EZE

1 stop14h 51mCopa Airlines

Deal found 10/6C$ 1,437

Wed 3/94:35 p.m.EZE - YUL

1 stop14h 40mAir Canada

Sat 14/210:25 p.m.YUL - EZE

1 stop15h 00mAir Canada

Deal found 10/6C$ 1,497

Fri 20/69:00 p.m.EZE - YYZ

1 stop26h 36mUnited Airlines

Mon 30/66:10 a.m.YYZ - EZE

1 stop24h 50mUnited Airlines

Deal found 10/6C$ 1,559

Sat 26/76:20 p.m.AEP - YYZ

2 stops29h 10mGOL

Sat 16/811:50 p.m.YYZ - AEP

2 stops25h 30mGOL

Deal found 10/6C$ 1,821

Tue 26/81:40 a.m.EZE - YUL

1 stop21h 25mAvianca

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

1 stop14h 55mAvianca

Deal found 11/6C$ 1,203

Wed 10/99:15 p.m.EZE - YYZ

1 stop28h 15mMultiple Airlines

Thu 18/95:10 p.m.YYZ - EZE

2 stops30h 00mMultiple Airlines

Deal found 11/6C$ 1,248

Last-minute flights from Buenos Aires to Ontario
Discover last-minute flight deals from Buenos Aires to Ontario. Data last updated 12 June 2025 and is based on user searches.

Tue 17/63:47 a.m.EZE - YYZ

1 stop22h 26mCopa Airlines

Sat 30/89:00 a.m.YYZ - EZE

1 stop14h 55mCopa Airlines

Deal found 10/6C$ 2,198

Wed 18/66:50 a.m.EZE - YYZ

1 stop16h 40mAvianca

Sat 30/87:55 a.m.YYZ - EZE

3 stops19h 55mAvianca

Deal found 10/6C$ 1,556

Wed 18/611:25 p.m.EZE - YYZ

3 stops32h 27mMultiple Airlines

Sat 30/86:07 p.m.YYZ - EZE

2 stops16h 50mMultiple Airlines

Deal found 11/6C$ 1,627

Wed 18/67:00 a.m.AEP - YYZ

1 stop16h 30mAvianca

Sat 30/810:05 a.m.YYZ - AEP

2 stops18h 35mAvianca

Deal found 11/6C$ 1,935

Wed 18/64:35 p.m.EZE - YTZ

2 stops18h 11mMultiple Airlines

Sat 30/85:25 p.m.YTZ - EZE

2 stops29h 45mMultiple Airlines

Deal found 10/6C$ 3,553

Fri 20/69:00 p.m.EZE - YYZ

1 stop26h 36mUnited Airlines

Mon 30/66:10 a.m.YYZ - EZE

1 stop24h 50mUnited Airlines

Deal found 10/6C$ 1,559

Fri 20/62:55 p.m.AEP - YYZ

2 stops21h 29mLATAM Airlines

Mon 30/66:25 p.m.YYZ - AEP

2 stops20h 40mLATAM Airlines

Deal found 10/6C$ 1,980

Fri 20/62:55 p.m.AEP - YYZ

1 stop16h 55mMultiple Airlines

Mon 30/611:20 p.m.YYZ - AEP

2 stops41h 00mMultiple Airlines

Deal found 10/6C$ 2,291

Fri 20/611:25 p.m.EZE - YYZ

1 stop31h 55mAeromexico

Sun 29/61:15 a.m.YYZ - EZE

1 stop19h 10mAeromexico

Deal found 10/6C$ 8,276

Sat 21/64:35 p.m.EZE - YYZ

2 stops19h 05mAir Canada

Tue 8/712:30 a.m.YYZ - EZE

2 stops37h 00mAir Canada

Deal found 12/6C$ 2,451

Sat 21/612:15 p.m.EZE - YYZ

2 stops28h 45mBritish Airways

Wed 9/76:24 p.m.YYZ - EZE

3 stops39h 11mBritish Airways

Deal found 10/6C$ 18,818

Wed 25/67:00 a.m.AEP - YUL

1 stop16h 05mMultiple Airlines

Tue 1/711:01 a.m.YUL - AEP

2 stops23h 19mMultiple Airlines

Deal found 11/6C$ 1,288

One-way flights from Buenos Aires to Ontario
Search for one-way flight options from Buenos Aires to Ontario. Find affordable one-way fares based on user searches. Data last updated 12 June 2025.

Fri 27/68:30 p.m.EZE - YYZ

1 stop15h 10mArajet

Deal found 10/6C$ 495

Mon 11/88:30 p.m.EZE - YUL

1 stop15h 10mArajet

Deal found 10/6C$ 518

Sun 30/111:45 a.m.EZE - YUL

1 stop20h 50mAvianca

Deal found 11/6C$ 559

Mon 7/712:18 p.m.AEP - YYZ

3 stops51h 52mMultiple Airlines

Deal found 10/6C$ 563

Sat 26/79:02 p.m.EZE - YYZ

3 stops34h 38mMultiple Airlines

Deal found 11/6C$ 592

Tue 17/66:40 a.m.EZE - YYZ

2 stops25h 35mAvianca

Deal found 12/6C$ 603

Sun 10/810:10 p.m.AEP - YUL

2 stops24h 20mMultiple Airlines

Deal found 10/6C$ 623

Fri 25/77:00 a.m.AEP - YYZ

3 stops24h 40mAvianca

Deal found 9/6C$ 637

Wed 13/87:00 a.m.AEP - YUL

1 stop16h 05mAvianca

Deal found 10/6C$ 640

Sun 27/76:20 a.m.EZE - YUL

2 stops40h 45mMultiple Airlines

Deal found 12/6C$ 654

Tue 1/75:30 a.m.EZE - YUL

2 stops31h 09mLATAM Airlines

Deal found 10/6C$ 685

Mon 15/98:30 p.m.EZE - YUL

2 stops20h 03mAmerican Airlines

Deal found 11/6C$ 725

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresToronto

EZE - YYZ

EZEYYZ

Buenos Aires Ministro Pistarini

Wed 10/9

6:50 a.m.-3:10 p.m.

3 stops33h 20m

Toronto Pearson Intl

Thu 18/9

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

1 stop23h 20m

C$ 1,136

Buenos AiresMontreal

EZE - YUL

EZEYUL

Buenos Aires Ministro Pistarini

Fri 27/6

8:30 p.m.-10:40 a.m.

1 stop15h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 10/7

6:35 p.m.-12:10 a.m.

2 stops28h 35m

C$ 1,161

Buenos AiresMontreal

EZE - YUL

EZEYUL

Buenos Aires Ministro Pistarini

Tue 26/8

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

1 stop21h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

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

1 stop14h 55m

C$ 1,203

Buenos AiresToronto

EZE - YYZ

EZEYYZ

Buenos Aires Ministro Pistarini

Wed 10/9

9:15 p.m.-12:30 a.m.

1 stop28h 15m

Toronto Pearson Intl

Thu 18/9

5:10 p.m.-12:10 a.m.

2 stops30h 00m

C$ 1,248

Buenos AiresMontreal

AEP - YUL

AEPYUL

Buenos Aires Jorge Newbery

Wed 25/6

7:00 a.m.-10:05 p.m.

1 stop16h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 1/7

11:01 a.m.-11:20 a.m.

2 stops23h 19m

C$ 1,288

Buenos AiresToronto

EZE - YYZ

EZEYYZ

Buenos Aires Ministro Pistarini

Fri 25/7

8:30 p.m.-10:40 a.m.

1 stop15h 10m

Toronto Pearson Intl

Fri 15/8

6:55 p.m.-5:15 p.m.

1 stop21h 20m

C$ 1,308

Buenos AiresToronto

AEP - YYZ

AEPYYZ

Buenos Aires Jorge Newbery

Sun 27/7

4:55 p.m.-10:40 a.m.

3 stops42h 45m

Toronto Pearson Intl

Sat 2/8

1:55 a.m.-11:30 a.m.

3 stops32h 35m

C$ 1,332

Buenos AiresMontreal

EZE - YUL

EZEYUL

Buenos Aires Ministro Pistarini

Fri 3/10

12:48 p.m.-11:53 p.m.

3 stops36h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

12:45 p.m.-2:55 a.m.

2 stops36h 10m

C$ 1,349

Buenos AiresMontreal

AEP - YUL

AEPYUL

Buenos Aires Jorge Newbery

Mon 15/9

7:00 a.m.-10:05 p.m.

1 stop16h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 21/9

11:25 p.m.-5:40 a.m.

1 stop29h 15m

C$ 1,359

Buenos AiresMontreal

EZE - YUL

EZEYUL

Buenos Aires Ministro Pistarini

Wed 27/8

9:15 p.m.-12:45 a.m.

1 stop28h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

6:45 a.m.-10:07 a.m.

1 stop26h 22m

C$ 1,374

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 60 results

...

Best time to book a flight from Buenos Aires to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Buenos Aires 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 Buenos Aires to Ontario

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

Currently, January is the cheapest month in which you can book a flight from Buenos Aires to Region of Ontario (average of C$ 167). Flying from Buenos Aires to Region of Ontario in July is currently the most expensive (average of C$ 255). 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 BUE to ON?

When flying from Buenos Aires to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from Buenos Aires to Ontario by reading reviews from past customers. 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

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines

7.5

Good

1,785 reviews

Delta

8.0

Very good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Copa Airlines

7.5

Good

1,451 reviews

Delta

8.0

Very good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aeromexico

7.5

Good

1,706 reviews

Delta

8.0

Very good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,623 reviews

Delta

8.0

Very good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Buenos Aires to Region of Ontario one-way?
To fly one-way, consider booking your trip with Arajet, which is currently one of the cheapest options available, starting at C$ 495. Avianca flights start at C$ 559 while deals on LATAM Airlines start at C$ 685 one-way.
What are the most popular routes from Buenos Aires to Region of Ontario?
The most popular flight routes from Buenos Aires to Region of Ontario are Buenos Aires Ministro Pistarini - Toronto Pearson Intl, Buenos Aires Jorge Newbery - Toronto Pearson Intl and Buenos Aires Ministro Pistarini - Montreal Pierre Elliott Trudeau Intl.
Can I find deals for flights from Buenos Aires to Ontario that include hotel bookings?
Yes. In addition to deals on Buenos Aires to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Buenos Aires to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buenos Aires to Ontario.
Can I find deals for business class flights from Buenos Aires to Ontario?
Yes. Cheapflights offers flight deals from Buenos Aires to Ontario 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 Buenos Aires to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Buenos Aires to Region of Ontario (average of C$ 167). Flying from Buenos Aires to Region of Ontario in July is currently the most expensive (average of C$ 255). 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

Alternative routes for Buenos Aires to Ontario

Ministro Pistarini to Pearson Intl flights

Jorge Newbery to Pearson Intl flights

Ministro Pistarini to Vancouver Intl flights

Ministro Pistarini to Pierre Elliott Trudeau Intl flights

Jorge Newbery to Pierre Elliott Trudeau Intl flights

Ministro Pistarini to Calgary flights

Ministro Pistarini to Winnipeg flights

Ministro Pistarini to Ottawa flights

Cordoba to Pearson Intl flights

Ministro Pistarini to Edmonton flights

Mendoza to Pearson Intl flights

Cordoba to Pierre Elliott Trudeau Intl flights

Rosario to Pierre Elliott Trudeau Intl flights

Cordoba to Calgary flights

Cordoba to Vancouver Intl flights

Mendoza to Pierre Elliott Trudeau Intl flights

San Miguel de Tucumán to Vancouver Intl flights

Complete your trip

Region of Ontario car rentals

Toronto Pearson Intl Airport car rentals

Ottawa Airport car rentals

Toronto Island Airport car rentals

Hamilton Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

London Airport car rentals

Thunder Bay Airport car rentals

Sault Ste Marie Airport car rentals

Timmins Airport car rentals

Kingston Airport car rentals

North Bay Airport car rentals

Direct flights to Canada

Top 2 airlines flying from Buenos Aires to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 810	AverageC$ 1,689	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Avianca	CheapestC$ 1,084	AverageC$ 1,427	FlexibilityNo cancel fee	On-time71%	Search Avianca flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Buenos Aires to Ontario 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 Buenos Aires to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Buenos Aires to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Yes, Cheapflights offers price alerts on Buenos Aires to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Buenos Aires to Ontario from C$ 495

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 27/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Buenos Aires to Ontario

Keep the following information in mind while searching for Buenos Aires to Ontario flight deals. Data was last updated 12 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Buenos Aires to Ontario

Cheapest flights from Buenos Aires to OntarioExplore the most affordable flight options available from Buenos Aires to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Explore the most affordable flight options available from Buenos Aires to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Buenos Aires to Ontario

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Buenos Aires to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from Buenos Aires to Ontario by reading reviews from past customers. 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 Buenos Aires to Ontario. 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 Buenos Aires to Region of Ontario one-way?

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

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

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

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

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

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 Buenos Aires to Ontario

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

Top 2 airlines flying from Buenos Aires to Ontario

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Cheapest flights from Buenos Aires to Ontario
Explore the most affordable flight options available from Buenos Aires to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.