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Cheap flights from Buffalo to Ontario from C$ 228

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
4 Aug — 11 Aug1
1 adult

Cheap flight deals from Buffalo to Ontario

Keep the following information in mind while searching for Buffalo to Ontario flight deals. Data was last updated 30 July 2025.

Round-trip from

C$ 488

One-way from

C$ 228
Delta
  • Delta
  • 16/9-24/9
  • 2 total stops
  • 19h 33m total
  • Buffalo to Ontario
Search Deals
12/9
  • 12/9
  • 1 total stop
  • 19h 21m total
  • Buffalo to Ontario
Search Deals

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 30 July 2025.

Tue 16/97:00 a.m.BUF - YYZ
1 stop10h 28mDelta
Wed 24/96:03 a.m.YYZ - BUF
1 stop9h 05mDelta
Deal found 30/7C$ 488
Fri 12/96:59 p.m.BUF - YUL
1 stop19h 21mMultiple Airlines
Fri 19/96:45 a.m.YUL - BUF
2 stops11h 29mMultiple Airlines
Deal found 28/7C$ 513
Fri 12/96:59 p.m.BUF - YOW
1 stop21h 58mMultiple Airlines
Fri 19/97:00 a.m.YOW - BUF
2 stops11h 14mMultiple Airlines
Deal found 29/7C$ 575
Sun 14/95:38 a.m.BUF - YYZ
1 stop10h 55mAmerican Airlines
Tue 23/912:45 p.m.YYZ - BUF
1 stop9h 06mAmerican Airlines
Deal found 30/7C$ 583
Fri 12/96:28 p.m.BUF - YUL
1 stop15h 18mAmerican Airlines
Fri 19/95:15 p.m.YUL - BUF
1 stop17h 51mAmerican Airlines
Deal found 30/7C$ 644
Tue 28/106:00 a.m.BUF - YYZ
1 stop11h 49mMultiple Airlines
Fri 7/112:15 p.m.YYZ - BUF
1 stop19h 48mMultiple Airlines
Deal found 29/7C$ 687
Wed 27/810:30 a.m.BUF - YYZ
1 stop11h 44mUnited Airlines
Wed 3/94:30 p.m.YYZ - BUF
1 stop7h 28mUnited Airlines
Deal found 29/7C$ 755
Sat 13/97:05 a.m.BUF - YUL
1 stop14h 24mUnited Airlines
Sat 20/99:45 a.m.YUL - BUF
1 stop11h 31mUnited Airlines
Deal found 30/7C$ 830
Tue 26/88:00 p.m.BUF - YOW
1 stop18h 27mUnited Airlines
Tue 2/97:29 p.m.YOW - BUF
1 stop18h 37mUnited Airlines
Deal found 29/7C$ 913
Fri 15/812:02 p.m.BUF - YUL
1 stop25h 36mWestJet
Sun 17/86:55 p.m.YUL - BUF
1 stop29h 02mWestJet
Deal found 30/7C$ 1,073
Thu 13/1110:37 a.m.BUF - YQT
2 stops12h 23mMultiple Airlines
Mon 17/1111:05 a.m.YQT - BUF
2 stops24h 28mMultiple Airlines
Deal found 27/7C$ 1,117
Sat 13/96:00 a.m.BUF - YQT
2 stops9h 45mUnited Airlines
Sat 20/95:15 a.m.YQT - BUF
2 stops8h 07mUnited Airlines
Deal found 30/7C$ 1,160

Cheapflights Fare Finder

 
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 629,999 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from Buffalo to Ontario that are best for you.

Fly from

Buffalo

Fly to

Ontario

Route

Depart

Return

Price

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Tue 16/9

6:03 a.m.-4:08 p.m.

1 stop10h 05m

Toronto Pearson Intl

Sat 20/9

6:03 a.m.-3:08 p.m.

1 stop9h 05m

C$ 488

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 12/9

6:59 p.m.-2:20 p.m.

1 stop19h 21m

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

6:45 a.m.-6:14 p.m.

2 stops11h 29m

C$ 513

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Fri 12/9

6:59 p.m.-4:57 p.m.

1 stop21h 58m

Ottawa

Fri 19/9

7:00 a.m.-6:14 p.m.

2 stops11h 14m

C$ 575

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sun 14/9

5:38 a.m.-4:33 p.m.

1 stop10h 55m

Toronto Pearson Intl

Tue 23/9

12:45 p.m.-9:51 p.m.

1 stop9h 06m

C$ 583

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 12/9

6:28 p.m.-9:46 a.m.

1 stop15h 18m

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

5:15 p.m.-11:06 a.m.

1 stop17h 51m

C$ 644

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Tue 28/10

6:00 a.m.-5:49 p.m.

1 stop11h 49m

Toronto Pearson Intl

Fri 7/11

2:15 p.m.-10:03 a.m.

1 stop19h 48m

C$ 687

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Thu 9/10

7:07 a.m.-4:43 p.m.

1 stop9h 36m

Toronto Pearson Intl

Tue 14/10

8:20 a.m.-9:13 p.m.

1 stop12h 53m

C$ 743

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 13/9

7:05 a.m.-9:29 p.m.

1 stop14h 24m

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

9:45 a.m.-9:16 p.m.

1 stop11h 31m

C$ 830

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Tue 26/8

8:00 p.m.-2:27 p.m.

1 stop18h 27m

Ottawa

Tue 2/9

7:29 p.m.-2:06 p.m.

1 stop18h 37m

C$ 913

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 15/8

12:02 p.m.-1:38 p.m.

1 stop25h 36m

Montreal Pierre Elliott Trudeau Intl

Sun 17/8

6:55 p.m.-11:57 p.m.

1 stop29h 02m

C$ 1,073

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 32 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.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Ontario
No data available for this route at this time. Please check back soon.

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 30 July 2025.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Buffalo to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

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
7,980 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

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
2,975 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

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
7.1
Good
9,837 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

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 13.4 km from the centre of the city.

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

    One-way options have recently been found by users for as low as C$ 237 on Delta. Other airlines that offer cheap prices include Sun Country Air from C$ 288 and American Airlines from C$ 297 one-way.

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

    Most travellers choose Buffalo - Montreal Pierre Elliott Trudeau Intl, Buffalo - Toronto Pearson Intl or Buffalo - Ottawa 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 C$ 167). Flying from Buffalo to Region of Ontario in July is currently the most expensive (average of C$ 258). 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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Alternative routes for Buffalo to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Buffalo to Ontario?

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Cheapflights helps you find that perfect flight to Ontario from Buffalo by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Certainly. Search results for flights to Ontario from Buffalo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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