$149+ Cheap flights from Buffalo (BUF) to Ontario
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
Oct 30 — Nov 61
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to Ontario
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Last-minute
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Cheapest flights from Buffalo to OntarioExplore 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 September 30, 2026.
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 September 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Fri 12/42:39 pm -
1 stop9h 36m
Mon 12/149:15 am -
2 stops51h 05m
Deal found 9/28![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 11/128:02 pm -
1 stop17h 38m
Thu 11/1912:20 pm -
2 stops24h 39m
Deal found 9/28![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 10/2912:54 pm -
1 stop24h 46m
Thu 11/512:20 pm -
2 stops24h 43m
Deal found 9/28![Multiple Airlines logo]()
$490
This Mytrip deal was found by Cheapflights users on 9/28. 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.
Wed 10/282:00 pm -
3 stops25h 20m
Wed 11/49:20 am -
3 stops32h 32m
Deal found 9/28![Multiple Airlines logo]()
$491
This Mytrip deal was found by Cheapflights users on 9/26. 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.
Sat 10/241:44 pm -
3 stops34h 11m
Sat 10/316:30 am -
3 stops30h 29m
Deal found 9/26![Multiple Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Fri 10/301:48 pm -
2 stops21h 34m
Sun 11/16:30 am -
1 stop11h 22m
Deal found 9/25![Multiple Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/276:00 am -
1 stop17h 52m
Tue 11/32:45 pm -
1 stop19h 09m
Deal found 9/29![United Airlines logo]()
$568
This Mytrip deal was found by Cheapflights users on 9/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:48 pm -
3 stops31h 37m
Fri 11/204:50 pm -
3 stops27h 40m
Deal found 9/29![Multiple Airlines logo]()
$579
Best flights from Buffalo to OntarioDiscover carefully curated flight deals from Buffalo to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
Discover carefully curated flight deals from Buffalo to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Wed 10/2810:35 am -
1 stop13h 17m
Wed 11/47:44 pm -
1 stop14h 10m
Deal found 9/28![United Airlines logo]()
$568
This Delta deal was found by Cheapflights users on 9/25. 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 10/302:10 pm -
1 stop9h 26m
Sun 11/16:00 am -
1 stop9h 11m
Deal found 9/25![Delta logo]()
$662
This United deal was found by Cheapflights users on 9/28. 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.
Sat 11/146:00 am -
1 stop16h 18m
Sun 11/2212:00 pm -
2 stops10h 59m
Deal found 9/28![Multiple Airlines logo]()
$731
This United Airlines deal was found by Cheapflights users on 9/25. 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 11/97:52 pm -
1 stop18h 33m
Mon 11/166:40 pm -
1 stop15h 14m
Deal found 9/25![United Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 10/297:52 pm -
1 stop15h 30m
Thu 11/56:40 pm -
1 stop15h 14m
Deal found 9/28![United Airlines logo]()
$630
This Expedia deal was found by Cheapflights users on 9/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:55 am -
2 stops12h 10m
Fri 11/68:20 am -
1 stop4h 57m
Deal found 9/29![Multiple Airlines logo]()
$741
This Delta deal was found by Cheapflights users on 9/29. 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.
Tue 10/137:00 am -
1 stop10h 38m
Thu 10/156:00 am -
1 stop9h 11m
Deal found 9/29![Delta logo]()
$760
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/137:59 pm -
2 stops17h 08m
Mon 10/194:05 pm -
2 stops22h 18m
Deal found 9/25![United Airlines logo]()
$656
This United Airlines deal was found by Cheapflights users on 9/30. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/113:00 pm -
1 stop20h 22m
Sun 12/137:44 pm -
1 stop23h 35m
Deal found 9/30![United Airlines logo]()
$709
Last-minute flights from Buffalo to OntarioDiscover last-minute flight deals from Buffalo to Ontario. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Ontario. Data last updated September 30, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/26. 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.
Sat 10/241:44 pm -
3 stops34h 11m
Sat 10/316:30 am -
3 stops30h 29m
Deal found 9/26![Multiple Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/276:00 am -
1 stop17h 52m
Tue 11/32:45 pm -
1 stop19h 09m
Deal found 9/29![United Airlines logo]()
$568
This Delta deal was found by Cheapflights users on 9/27. 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 10/2710:00 am -
1 stop8h 09m
Wed 10/286:10 pm -
2 stops21h 01m
Deal found 9/27![Delta logo]()
$609
This Mytrip deal was found by Cheapflights users on 9/28. 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.
Wed 10/282:00 pm -
3 stops25h 20m
Wed 11/49:20 am -
3 stops32h 32m
Deal found 9/28![Multiple Airlines logo]()
$491
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 10/2912:54 pm -
1 stop24h 46m
Thu 11/512:20 pm -
2 stops24h 43m
Deal found 9/28![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Fri 10/301:48 pm -
2 stops21h 34m
Sun 11/16:30 am -
1 stop11h 22m
Deal found 9/25![Multiple Airlines logo]()
$527
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:33 pm -
1 stop18h 26m
Fri 11/65:14 pm -
1 stop23h 30m
Deal found 9/29![American Airlines logo]()
$602
One-way flights from Buffalo to OntarioSearch for one-way flight options from Buffalo to Ontario. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
Search for one-way flight options from Buffalo to Ontario. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Wed 11/112:00 pm -
2 stops29h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 9/26. 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.
Sat 10/241:44 pm -
2 stops34h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 11/512:54 pm -
1 stop24h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/1212:54 pm -
3 stops34h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$194
This Mytrip deal was found by Cheapflights users on 9/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/271:54 pm -
2 stops23h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 10/2912:54 pm -
1 stop24h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$215
Find flight deals from Buffalo to Ontario
Keep the following information in mind while searching for Buffalo to Ontario flight deals. Data was last updated September 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $464 (Kiwi.com) |
One-way from | $149 (Kiwi.com) |
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 7,457,451 searches. Data last updated September 30, 2026.
Use the filters below to find and compare flights from Buffalo to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloToronto
BUF Buffalo - YYZ Toronto Pearson Intl
BUFYYZ
Buffalo
Fri 11/27
1:54 pm-1:40 pm
2 stops23h 46m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$202
BuffaloToronto
BUF Buffalo - YYZ Toronto Pearson Intl
BUFYYZ
Buffalo
Thu 11/5
6:47 pm-4:15 pm
3 stops21h 28m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$204
BuffaloToronto
BUF Buffalo - YYZ Toronto Pearson Intl
BUFYYZ
Buffalo
Thu 10/29
6:47 pm-1:40 pm
2 stops18h 53m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$242
BuffaloToronto
BUF Buffalo - YYZ Toronto Pearson Intl
BUFYYZ
Buffalo
Sat 10/24
1:44 pm-11:55 pm
3 stops34h 11m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$247
BuffaloToronto
BUF Buffalo - YYZ Toronto Pearson Intl
BUFYYZ
Buffalo
Tue 10/13
6:51 pm-2:05 pm
3 stops43h 14m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$287
BuffaloToronto
BUF Buffalo - YYZ Toronto Pearson Intl
BUFYYZ
Buffalo
Tue 11/10
11:25 am-10:51 pm
1 stop11h 26m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$297
Quickest round-trip
BuffaloToronto
BUF Buffalo - YYZ Toronto Pearson Intl
BUFYYZ
Buffalo
Fri 11/13
7:00 am-5:14 pm
1 stop10h 14m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$307
BuffaloToronto
BUF Buffalo - YYZ Toronto Pearson Intl
BUFYYZ
Buffalo
Wed 10/28
10:35 am-11:52 pm
1 stop13h 17m
Toronto Pearson Intl
Wed 11/4
7:44 pm-9:54 am
1 stop14h 10m
$568
BuffaloToronto
BUF Buffalo - YYZ Toronto Pearson Intl
BUFYYZ
Buffalo
Mon 11/9
7:52 pm-2:25 pm
1 stop18h 33m
Toronto Pearson Intl
Mon 11/16
6:40 pm-9:54 am
1 stop15h 14m
$630
BuffaloToronto
BUF Buffalo - YYZ Toronto Pearson Intl
BUFYYZ
Buffalo
Thu 10/29
7:52 pm-11:22 am
1 stop15h 30m
Toronto Pearson Intl
Thu 11/5
6:40 pm-9:54 am
1 stop15h 14m
$630
Showing 1-10 of 16 resultsSorted by cheapest first
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.
BUF-YYZ
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
BUF-CAON
BUF-YYZ
No data available for this route at this time. Please check back soon.
Related info for your journey
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