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$123+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(American Airlines)

One-way from

$123
(Kiwi.com)
Provider with most accurate pricing for Buffalo-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Toronto (YTO) flights.
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From Buffalo to Ontario
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One-way flight from Buffalo to Ontario
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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 January 30, 2025.

This American Airlines deal was found by Cheapflights users on 1/30. 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 3/124:20 pmBUF - YUL
1 stop17h 50mAmerican Airlines
Thu 3/1312:55 pmYUL - BUF
2 stops9h 51mAmerican Airlines
Deal found 1/30$329
This Delta deal was found by Cheapflights users on 1/30. 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.
Fri 2/286:22 amBUF - YUL
1 stop5h 37mDelta
Mon 3/35:15 pmYUL - BUF
1 stop5h 29mDelta
Deal found 1/30$358
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Thu 2/64:07 pmBUF - YYZ
1 stop7h 37mMultiple Airlines
Sun 2/98:15 pmYYZ - BUF
1 stop13h 26mMultiple Airlines
Deal found 1/29$371
This Sun Country Air deal was found by Cheapflights users on 1/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1411:40 amBUF - YYZ
1 stop5h 50mSun Country Air
Sun 8/176:36 pmYYZ - BUF
1 stop16h 08mSun Country Air
Deal found 1/30$380
This Air Canada deal was found by Cheapflights users on 1/30. 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.
Mon 3/245:52 pmBUF - YUL
2 stops8h 01mAir Canada
Sat 3/298:50 amYUL - BUF
2 stops8h 09mAir Canada
Deal found 1/30$410
This Justfly.com deal was found by Cheapflights users on 1/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/612:09 pmBUF - YUL
1 stop11h 43mWestJet
Sat 2/87:00 amYUL - BUF
1 stop6h 06mWestJet
Deal found 1/29$498
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Sat 3/156:00 amBUF - YUL
1 stop13h 48mUnited Airlines
Sat 3/2210:30 amYUL - BUF
2 stops23h 22mUnited Airlines
Deal found 1/29$511
This Delta deal was found by Cheapflights users on 1/29. 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.
Fri 2/77:00 amBUF - YYZ
1 stop10h 14mDelta
Sun 2/96:00 amYYZ - BUF
1 stop9h 19mDelta
Deal found 1/29$515
This United deal was found by Cheapflights users on 1/30. 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.
Fri 5/26:00 amBUF - YOW
1 stop16h 05mMultiple Airlines
Mon 5/56:05 amYOW - BUF
1 stop17h 52mMultiple Airlines
Deal found 1/30$629
This United deal was found by Cheapflights users on 1/29. 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.
Thu 2/66:00 amBUF - YTZ
2 stops12h 43mMultiple Airlines
Sun 2/910:20 amYTZ - BUF
2 stops13h 10mMultiple Airlines
Deal found 1/29$657
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Sat 5/246:00 amBUF - YYZ
1 stop11h 09mUnited Airlines
Sun 5/2510:05 amYYZ - BUF
1 stop8h 16mUnited Airlines
Deal found 1/29$672
This United deal was found by Cheapflights users on 1/29. 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.
Sun 5/256:00 amBUF - YUL
2 stops14h 20mMultiple Airlines
Fri 5/306:20 pmYUL - BUF
1 stop23h 08mMultiple Airlines
Deal found 1/29$723

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 2,558,603 searches. Data last updated January 30, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 3/12

4:20 pm-10:10 am

1 stop17h 50m

Montreal Pierre Elliott Trudeau Intl

Thu 3/13

12:55 pm-10:46 pm

2 stops9h 51m

$329

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 2/28

6:22 am-11:59 am

1 stop5h 37m

Montreal Pierre Elliott Trudeau Intl

Mon 3/3

5:15 pm-10:44 pm

1 stop5h 29m

$358

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Thu 2/6

4:07 pm-11:44 pm

1 stop7h 37m

Toronto Pearson Intl

Sun 2/9

8:15 pm-9:41 am

1 stop13h 26m

$371

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 3/24

5:52 pm-1:53 am

2 stops8h 01m

Montreal Pierre Elliott Trudeau Intl

Sat 3/29

8:50 am-4:59 pm

2 stops8h 09m

$410

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 3/15

6:00 am-7:48 pm

1 stop13h 48m

Montreal Pierre Elliott Trudeau Intl

Sat 3/22

10:30 am-9:52 am

2 stops23h 22m

$511

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Fri 2/7

7:00 am-5:14 pm

1 stop10h 14m

Toronto Pearson Intl

Sun 2/9

6:00 am-3:19 pm

1 stop9h 19m

$515

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Fri 5/2

6:00 am-10:05 pm

1 stop16h 05m

Ottawa

Mon 5/5

6:05 am-11:57 pm

1 stop17h 52m

$629

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Thu 5/15

6:05 am-12:15 pm

1 stop6h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 5/18

4:55 pm-11:07 pm

1 stop6h 12m

$639

BuffaloToronto

BUF - YTZ

BUFYTZ

Buffalo

Fri 2/28

6:00 am-8:43 pm

2 stops14h 43m

Toronto Island

Fri 3/7

10:20 am-11:28 pm

2 stops13h 08m

$661

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sun 5/25

6:00 am-8:20 pm

2 stops14h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 5/30

6:20 pm-5:28 pm

1 stop23h 08m

$723

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 25 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 January 30, 2025.

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 January 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines 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
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

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
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

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
8,913 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

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
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

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
7.2
Good
2,817 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

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.

Air Canada
7.0
Good
8,640 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

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 United Airlines. According to our data, you can fly for as low as $148. Users have also found prices from $154 and $180 on American Airlines and WestJet, 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 $243). 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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