$215+ Cheap flights from Ontario (ONT) to Niagara Falls, ON, Canada
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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YYZ
Jun 12 — Jun 191
Round-trip
1 adult, Economy
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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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Cheapest flights from Ontario to Niagara FallsExplore the most affordable flight options available from Ontario to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.
Explore the most affordable flight options available from Ontario to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Thu 8/203:34 pm
ONT
- YYZ
1 stop12h 05m
Multiple Airlines
Sun 8/238:30 pm
YYZ
- ONT
1 stop21h 39m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:40 pm
ONT
- YYZ
1 stop11h 59m
Multiple Airlines
Wed 8/510:50 am
YYZ
- ONT
2 stops12h 03m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:40 pm
ONT
- YYZ
1 stop11h 59m
Multiple Airlines
Thu 8/139:00 am
YYZ
- ONT
2 stops13h 53m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 9/81:27 pm
ONT
- YYZ
2 stops13h 18m
Multiple Airlines
Tue 9/159:55 am
YYZ
- ONT
1 stop9h 15m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/233:34 pm
ONT
- YYZ
2 stops30h 31m
Multiple Airlines
Tue 6/308:30 pm
YYZ
- ONT
1 stop21h 38m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 7/163:40 pm
ONT
- YYZ
1 stop11h 59m
Multiple Airlines
Mon 7/208:30 pm
YYZ
- ONT
1 stop21h 37m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:58 pm
ONT
- YYZ
2 stops26h 07m
Multiple Airlines
Sun 9/208:30 pm
YYZ
- ONT
1 stop16h 51m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Sat 6/63:30 pm
ONT
- YYZ
2 stops25h 35m
Multiple Airlines
Tue 6/99:55 am
YYZ
- ONT
1 stop8h 13m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Wed 8/191:27 pm
ONT
- YYZ
1 stop14h 12m
Multiple Airlines
Thu 9/37:00 am
YYZ
- ONT
2 stops15h 48m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 7/308:39 pm
ONT
- YYZ
2 stops19h 16m
Multiple Airlines
Mon 8/38:30 pm
YYZ
- ONT
1 stop21h 37m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$450
Best flights from Ontario to Niagara FallsDiscover carefully curated flight deals from Ontario to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 13, 2026.
Discover carefully curated flight deals from Ontario to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 13, 2026.
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:00 am
ONT
- YYZ
1 stop7h 14m
United Airlines
Fri 6/510:45 am
YYZ
- ONT
1 stop9h 43m
United Airlines
Deal found 5/11![United Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 5/12. 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.
Thu 6/410:00 pm
ONT
- YYZ
1 stop11h 19m
Delta
Tue 6/95:45 pm
YYZ
- ONT
1 stop9h 04m
Delta
Deal found 5/12![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:56 pm
ONT
- YYZ
1 stop14h 04m
United Airlines
Wed 8/2611:00 am
YYZ
- ONT
2 stops12h 01m
United Airlines
Deal found 5/11![United Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 5/10. 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.
Tue 8/1112:32 pm
ONT
- YYZ
1 stop8h 25m
Delta
Tue 8/186:00 am
YYZ
- ONT
1 stop7h 42m
Delta
Deal found 5/10![Delta logo]()
$536
This Delta deal was found by Cheapflights users on 5/10. 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.
Fri 8/146:00 am
ONT
- YYZ
1 stop7h 35m
Delta
Wed 8/196:00 am
YYZ
- ONT
1 stop7h 42m
Delta
Deal found 5/10![Delta logo]()
$536
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/286:00 am
ONT
- YYZ
1 stop7h 14m
United Airlines
Mon 6/15:15 pm
YYZ
- ONT
1 stop8h 36m
United Airlines
Deal found 5/8![United Airlines logo]()
$579
This Delta deal was found by Cheapflights users on 5/10. 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.
Mon 6/110:00 pm
ONT
- YYZ
1 stop11h 19m
Delta
Fri 6/52:20 pm
YYZ
- ONT
2 stops12h 14m
Delta
Deal found 5/10![Delta logo]()
$546
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/286:00 am
ONT
- YYZ
1 stop7h 14m
United Airlines
Sun 6/76:30 am
YYZ
- ONT
1 stop8h 42m
United Airlines
Deal found 5/8![United Airlines logo]()
$579
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:07 pm
ONT
- YYZ
1 stop8h 51m
Delta
Sun 5/315:45 pm
YYZ
- ONT
1 stop8h 49m
Delta
Deal found 5/11![Delta logo]()
$568
This United Airlines deal was found by Cheapflights users on 5/12. 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 5/295:00 am
ONT
- YYZ
1 stop13h 32m
United Airlines
Sat 6/64:18 pm
YYZ
- ONT
1 stop7h 28m
United Airlines
Deal found 5/12![United Airlines logo]()
$589
This Delta deal was found by Cheapflights users on 5/10. 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.
Sun 5/316:00 am
ONT
- YYZ
1 stop7h 35m
Delta
Wed 6/36:12 pm
YYZ
- ONT
2 stops8h 22m
Delta
Deal found 5/10![Delta logo]()
$578
Last-minute flights from Ontario to Niagara FallsDiscover last-minute flight deals from Ontario to Niagara Falls. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Niagara Falls. Data last updated May 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/12. 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.
Thu 5/2812:07 pm
ONT
- YYZ
1 stop8h 51m
Delta
Wed 6/35:45 pm
YYZ
- ONT
1 stop8h 49m
Delta
Deal found 5/12![Delta logo]()
$489
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Fri 5/296:30 pm
ONT
- YYZ
2 stops11h 49m
United Airlines
Sat 5/301:00 pm
YYZ
- ONT
1 stop12h 51m
United Airlines
Deal found 5/10![United Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 5/2911:59 pm
ONT
- YYZ
1 stop10h 58m
American Airlines
Tue 6/22:55 pm
YYZ
- ONT
1 stop10h 43m
American Airlines
Deal found 5/11![American Airlines logo]()
$496
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Fri 5/2911:59 pm
ONT
- YYZ
1 stop10h 58m
American Airlines
Mon 6/16:18 pm
YYZ
- ONT
1 stop7h 20m
American Airlines
Deal found 5/12![American Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 5/12. 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.
Sat 5/3010:00 pm
ONT
- YYZ
1 stop9h 19m
Delta
Sat 6/61:34 pm
YYZ
- ONT
1 stop8h 02m
Delta
Deal found 5/12![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:00 am
ONT
- YYZ
1 stop7h 14m
United Airlines
Fri 6/510:45 am
YYZ
- ONT
1 stop9h 43m
United Airlines
Deal found 5/11![United Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Mon 6/14:04 pm
ONT
- YYZ
2 stops29h 06m
Multiple Airlines
Tue 6/308:30 pm
YYZ
- ONT
1 stop21h 38m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Sat 6/63:30 pm
ONT
- YYZ
2 stops25h 35m
Multiple Airlines
Tue 6/99:55 am
YYZ
- ONT
1 stop8h 13m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/233:34 pm
ONT
- YYZ
2 stops30h 31m
Multiple Airlines
Tue 6/308:30 pm
YYZ
- ONT
1 stop21h 38m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$427
One-way flights from Ontario to Niagara FallsSearch for one-way flight options from Ontario to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
Search for one-way flight options from Ontario to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This United Airlines deal was found by Cheapflights users on 5/12. 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 5/295:00 am
ONT
- YYZ
1 stop13h 32m
United Airlines
Deal found 5/12![United Airlines logo]()
$215
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:39 pm
ONT
- YYZ
2 stops14h 16m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$218
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:30 am
ONT
- YYZ
1 stop10h 07m
United Airlines
Deal found 5/11![United Airlines logo]()
$220
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 5/2611:59 pm
ONT
- YYZ
2 stops12h 00m
American Airlines
Deal found 5/11![American Airlines logo]()
$226
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
ONT
- YYZ
2 stops14h 59m
United Airlines
Deal found 5/11![United Airlines logo]()
$231
This Delta deal was found by Cheapflights users on 5/12. 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 6/306:00 am
ONT
- YYZ
1 stop7h 35m
Delta
Deal found 5/12![Delta logo]()
$232
This Delta deal was found by Cheapflights users on 5/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
ONT
- YYZ
1 stop7h 35m
Delta
Deal found 5/9![Delta logo]()
$233
This Kissandfly.com deal was found by Cheapflights users on 5/11. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:00 pm
ONT
- YYZ
1 stop11h 25m
KLM
Deal found 5/11![KLM logo]()
$240
This Delta deal was found by Cheapflights users on 5/12. 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.
Sun 6/2810:00 pm
ONT
- YYZ
1 stop11h 25m
Delta
Deal found 5/12![Delta logo]()
$242
This United Airlines deal was found by Cheapflights users on 5/12. 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 7/21:50 pm
ONT
- YYZ
2 stops17h 04m
United Airlines
Deal found 5/12![United Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Sat 8/88:39 pm
ONT
- YYZ
3 stops20h 16m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$246
Find flight deals from Ontario to Niagara Falls
Keep the following information in mind while searching for Ontario to Niagara Falls flight deals. Data was last updated May 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $402 (Kiwi.com) |
One-way from | $215 (United Airlines) |
Popular in | January |
Cheapest in | October |
Average price | $511 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Niagara Falls 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 May 13, 2026.
Use the filters below to find and compare flights from Ontario to Niagara Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioToronto
ONT - YYZ
ONTYYZ
Ontario
Sat 5/30
5:00 am-3:14 pm
1 stop7h 14m
Toronto Pearson Intl
Fri 6/5
10:45 am-5:28 pm
1 stop9h 43m
$490
OntarioToronto
ONT - YYZ
ONTYYZ
Ontario
Thu 6/4
10:00 pm-12:19 pm
1 stop11h 19m
Toronto Pearson Intl
Tue 6/9
5:45 pm-11:49 pm
1 stop9h 04m
$499
OntarioToronto
ONT - YYZ
ONTYYZ
Ontario
Tue 8/25
1:56 pm-7:00 am
1 stop14h 04m
Toronto Pearson Intl
Wed 8/26
11:00 am-8:01 pm
2 stops12h 01m
$521
OntarioToronto
ONT - YYZ
ONTYYZ
Ontario
Tue 8/11
12:32 pm-11:57 pm
1 stop8h 25m
Toronto Pearson Intl
Tue 8/18
6:00 am-10:42 am
1 stop7h 42m
$536
Quickest round-trip
OntarioToronto
ONT - YYZ
ONTYYZ
Ontario
Fri 8/14
6:00 am-4:35 pm
1 stop7h 35m
Toronto Pearson Intl
Wed 8/19
6:00 am-10:42 am
1 stop7h 42m
$536
OntarioToronto
ONT - YYZ
ONTYYZ
Ontario
Mon 6/1
10:00 pm-12:19 pm
1 stop11h 19m
Toronto Pearson Intl
Fri 6/5
2:20 pm-11:34 pm
2 stops12h 14m
$546
OntarioToronto
ONT - YYZ
ONTYYZ
Ontario
Thu 5/28
12:07 pm-11:58 pm
1 stop8h 51m
Toronto Pearson Intl
Sun 5/31
5:45 pm-11:34 pm
1 stop8h 49m
$568
OntarioToronto
ONT - YYZ
ONTYYZ
Ontario
Sun 5/31
6:00 am-4:35 pm
1 stop7h 35m
Toronto Pearson Intl
Wed 6/3
6:12 pm-11:34 pm
2 stops8h 22m
$578
OntarioToronto
ONT - YYZ
ONTYYZ
Ontario
Thu 5/28
6:00 am-4:14 pm
1 stop7h 14m
Toronto Pearson Intl
Mon 6/1
5:15 pm-10:51 pm
1 stop8h 36m
$579
OntarioToronto
ONT - YYZ
ONTYYZ
Ontario
Thu 5/28
6:00 am-4:14 pm
1 stop7h 14m
Toronto Pearson Intl
Sun 6/7
6:30 am-12:12 pm
1 stop8h 42m
$579
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Ontario to Niagara Falls
Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Ontario with our price prediction graph.
ONT-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 Ontario to Niagara Falls
ONT-NI4
ONT-YYZ
How much does it cost to fly round-trip from Ontario to Niagara Falls?
Reviews of airlines servicing Niagara Falls
Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated May 13, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Ontario to Niagara Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
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Ontario and Niagara Falls flights
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$122 | Average$582 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$187 | Average$492 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$320 | Average$633 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$436 | Average$698 | FlexibilityNo cancel fee | On-time71% |