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$227+ Cheap flights from Ontario to Buffalo (BUF)

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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUF
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Buffalo

Keep the following information in mind while searching for Ontario to Buffalo flight deals. Data was last updated junio 12, 2025.

Round-trip from

$364
(Delta)

One-way from

$227
(Kissandfly.com)
From Ontario to Buffalo
Search Deals
One-way flight from Ontario to Buffalo
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Find flight deals from Ontario to Buffalo

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

This Delta deal was found by Cheapflights users on 6/10. 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.
sáb. 8/27:55 amYYZ - BUF
1 stop13h 14mDelta
lun. 8/45:56 pmBUF - YYZ
1 stop22h 17mDelta
Deal found 6/10$364
This United Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 9/19:00 amYYZ - BUF
1 stop7h 52mUnited Airlines
mié. 9/310:55 amBUF - YYZ
1 stop13h 03mUnited Airlines
Deal found 6/10$392
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
vie. 7/114:00 pmYYZ - BUF
1 stop16h 52mMultiple Airlines
lun. 7/148:50 amBUF - YYZ
1 stop15h 09mMultiple Airlines
Deal found 6/11$439
This American Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 7/1011:00 amYYZ - BUF
1 stop12h 59mAmerican Airlines
lun. 7/146:00 amBUF - YYZ
1 stop8h 44mAmerican Airlines
Deal found 6/11$443
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/1011:40 amYYZ - BUF
1 stop22h 52mSun Country Air
dom. 7/1311:23 amBUF - YYZ
1 stop5h 27mSun Country Air
Deal found 6/10$448
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/108:45 amYTZ - BUF
3 stops25h 47mMultiple Airlines
lun. 7/1411:47 amBUF - YTZ
2 stops29h 56mMultiple Airlines
Deal found 6/10$543
This Gotogate deal was found by Cheapflights users on 6/10. 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.
vie. 7/257:25 amYTZ - BUF
2 stops9h 30mAir Canada
vie. 8/110:50 amBUF - YTZ
2 stops9h 46mAir Canada
Deal found 6/10$648
This Gotogate deal was found by Cheapflights users on 6/10. 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.
jue. 7/1012:10 pmYYZ - BUF
1 stop4h 45mAir Canada
dom. 7/1310:50 amBUF - YYZ
2 stops10h 54mAir Canada
Deal found 6/10$669
This Expedia deal was found by Cheapflights users on 6/9. 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.
sáb. 7/511:15 pmYYZ - BUF
2 stops19h 18mWestJet
mié. 7/912:07 pmBUF - YYZ
2 stops20h 04mWestJet
Deal found 6/9$1,146

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Buffalo 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 junio 12, 2025.
Use the filters below to find and compare flights from Ontario to Buffalo that are best for you.

Fly from

Ontario

Fly to

Buffalo

Route

Depart

Return

Price

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

sáb. 8/2

7:55 am-9:09 pm

1 stop13h 14m

Buffalo

lun. 8/4

5:56 pm-4:13 pm

1 stop22h 17m

$364

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

lun. 9/1

9:00 am-4:52 pm

1 stop7h 52m

Buffalo

mié. 9/3

10:55 am-11:58 pm

1 stop13h 03m

$392

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

vie. 7/11

4:00 pm-8:52 am

1 stop16h 52m

Buffalo

lun. 7/14

8:50 am-11:59 pm

1 stop15h 09m

$439

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

jue. 7/10

11:00 am-11:59 pm

1 stop12h 59m

Buffalo

lun. 7/14

6:00 am-2:44 pm

1 stop8h 44m

$443

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

jue. 7/10

11:40 am-10:32 am

1 stop22h 52m

Buffalo

dom. 7/13

11:23 am-4:50 pm

1 stop5h 27m

$448

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

jue. 7/10

8:45 am-10:32 am

3 stops25h 47m

Buffalo

lun. 7/14

11:47 am-5:43 pm

2 stops29h 56m

$543

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

vie. 7/25

7:25 am-4:55 pm

2 stops9h 30m

Buffalo

vie. 8/1

10:50 am-8:36 pm

2 stops9h 46m

$648

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

jue. 7/10

12:10 pm-4:55 pm

1 stop4h 45m

Buffalo

dom. 7/13

10:50 am-9:44 pm

2 stops10h 54m

$669

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

sáb. 7/5

11:15 pm-6:33 pm

2 stops19h 18m

Buffalo

mié. 7/9

12:07 pm-8:11 am

2 stops20h 04m

$1,146

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

sáb. 9/27

2:40 pm-9:29 am

1 stop18h 49m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
1
2

Best time to book a flight from Ontario to Buffalo

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

Cheapflights Insights

Everything you need to know about your flight from Ontario to Buffalo

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Buffalo (average of $256). Flying from Region of Ontario to Buffalo in December is currently the most expensive (average of $337). 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 BUF?

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

When flying from Region of Ontario to Buffalo, 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 Buffalo by month

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

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

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

If weather is an important factor for your trip to Buffalo, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated junio 12, 2025.
See what other customers who have flown with Delta, KLM and United Airlines from Ontario to Buffalo have to say. 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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Ontario to Buffalo. 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 into for flights to Buffalo from Ontario?

    If you book a flight to Buffalo from Ontario, you will be flying to Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo.

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

    For one-way options, check prices for KLM. According to our data, you can fly for as low as $227. Users have also found prices from $242 and $247 on United Airlines and Delta, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Buffalo (average of $256). Flying from Region of Ontario to Buffalo in December is currently the most expensive (average of $337). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Williamsville
Amherst
Orchard Park
Batavia
Eden
Cheektowaga
West Seneca

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