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$112+ Cheap flights from Buffalo (BUF) to Ontario

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Buffalo to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Buffalo to Ontario

Cheapest flights from Buffalo to Ontario
Explore the most affordable flight options available from Buffalo to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/167:50 pmBUF - YUL
1 stop11h 55mUnited Airlines
Wed 12/186:00 amYUL - BUF
1 stop15h 00mUnited Airlines
Deal found 11/19$321
This Air Canada deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/77:00 amBUF - YUL
1 stop7h 47mAir Canada
Sat 12/141:10 pmYUL - BUF
1 stop8h 08mAir Canada
Deal found 11/19$325
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:06 amBUF - YUL
1 stop4h 04mAmerican Airlines
Fri 12/65:30 pmYUL - BUF
1 stop5h 17mAmerican Airlines
Deal found 11/19$385
This FlightHub deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1312:07 pmBUF - YUL
1 stop11h 48mWestJet
Sun 12/156:09 pmYUL - BUF
1 stop16h 53mWestJet
Deal found 11/20$423
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1710:32 amBUF - YYZ
1 stop8h 58mMultiple Airlines
Tue 12/245:35 pmYYZ - BUF
1 stop24h 29mMultiple Airlines
Deal found 11/18$444
This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/176:00 amBUF - YYZ
1 stop10h 17mDelta
Tue 12/247:00 amYYZ - BUF
1 stop13h 22mDelta
Deal found 11/18$570
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/173:00 pmBUF - YYZ
1 stop7h 15mUnited Airlines
Tue 12/247:40 pmYYZ - BUF
1 stop18h 43mUnited Airlines
Deal found 11/19$598
This United deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/187:15 pmBUF - YOW
1 stop26h 46mMultiple Airlines
Wed 12/253:11 pmYOW - BUF
1 stop8h 04mMultiple Airlines
Deal found 11/18$657
This Gotogate deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/221:55 pmBUF - YYZ
1 stop5h 50mAir Canada
Fri 1/33:30 pmYYZ - BUF
1 stop5h 31mAir Canada
Deal found 11/20$658
This Air Canada deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:00 amBUF - YUL
1 stop11h 17mMultiple Airlines
Sat 1/41:15 pmYUL - BUF
1 stop10h 00mMultiple Airlines
Deal found 11/20$742
This Air Canada deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/181:54 pmBUF - YOW
2 stops9h 38mAir Canada
Wed 12/256:45 amYOW - BUF
2 stops9h 59mAir Canada
Deal found 11/18$803
This Expedia deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1712:07 pmBUF - YYZ
2 stops20h 17mWestJet
Tue 12/2411:15 pmYYZ - BUF
2 stops13h 46mWestJet
Deal found 11/18$1,344

Find flights from Buffalo to Ontario within your budget

Customize your flight search to find flights from Buffalo to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

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Any airport

Route

Depart

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Price

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 12/16

7:50 pm-7:45 am

1 stop11h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 12/18

6:00 am-9:00 pm

1 stop15h 00m

$321

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 12/7

7:00 am-2:47 pm

1 stop7h 47m

Montreal Pierre Elliott Trudeau Intl

Sat 12/14

1:10 pm-9:18 pm

1 stop8h 08m

$325

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sun 1/12

4:40 pm-10:10 am

1 stop17h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 1/15

10:54 am-11:56 pm

2 stops13h 02m

$349

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 12/13

12:07 pm-11:55 pm

1 stop11h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 12/15

6:09 pm-11:02 am

1 stop16h 53m

$423

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Tue 12/17

10:32 am-7:30 pm

1 stop8h 58m

Toronto Pearson Intl

Tue 12/24

5:35 pm-6:04 pm

1 stop24h 29m

$444

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Tue 12/17

6:00 am-4:17 pm

1 stop10h 17m

Toronto Pearson Intl

Tue 12/24

7:00 am-8:22 pm

1 stop13h 22m

$570

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Wed 1/8

6:00 am-4:16 pm

1 stop10h 16m

Ottawa

Fri 1/10

10:30 am-11:30 pm

2 stops13h 00m

$590

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Tue 12/17

3:00 pm-10:15 pm

1 stop7h 15m

Toronto Pearson Intl

Tue 12/24

7:40 pm-2:23 pm

1 stop18h 43m

$598

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sun 12/22

1:55 pm-7:45 pm

1 stop5h 50m

Toronto Pearson Intl

Fri 1/3

3:30 pm-9:01 pm

1 stop5h 31m

$658

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Fri 1/3

10:28 am-6:54 pm

1 stop8h 26m

Ottawa

Fri 1/10

10:30 am-11:30 pm

2 stops13h 00m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 23 results
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Best time to book a flight from Buffalo to Ontario

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

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

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

Find hourly flight availability from Buffalo 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 November 20, 2024.

When flying from Buffalo 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

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

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated November 20, 2024.
Get a feel of what it's like to fly with WestJet, United Airlines and Air Canada from Buffalo to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Brussels Airlines
7.4
Good
367 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

United Airlines
7.4
Good
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

WestJet
7.3
Good
2,811 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

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

  • What airport do you fly from for flights from Buffalo to Ontario?

    For a flight from Buffalo to Ontario, you will be flying from Buffalo. Buffalo (BUF) is just 8.3 mi from the center of the city.

  • What are the cheapest airlines to fly from Buffalo to Region of Ontario one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $132. Users have also found prices from $136 and $146 on Delta and American Airlines, respectively.

  • What are the most popular routes from Buffalo to Region of Ontario?

    Most travelers choose Buffalo - Toronto Pearson Intl, Buffalo - Montreal Pierre Elliott Trudeau Intl or Buffalo - Toronto Island when deciding on the best route from Buffalo to Region of Ontario.

  • Can I find deals for flights from Buffalo to Ontario that include hotel bookings?

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

  • How can I find direct flights from Buffalo to Ontario?

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

  • Can I find deals for business class flights from Buffalo to Ontario?

    Yes. Cheapflights offers flight deals from Buffalo 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 Buffalo to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Buffalo to Region of Ontario (average of $242). Flying from Buffalo to Region of Ontario in July is currently the most expensive (average of $359). 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

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