$179+ Cheap flights from Ontario (ONT) to Niagara Falls, 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YYZ
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Niagara Falls 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Ontario to Niagara Falls
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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 August 11, 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 August 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/108:24 pm -
1 stop7h 15m
Wed 9/169:55 am -
1 stop10h 04m
Deal found 8/7![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/118:24 pm -
1 stop7h 15m
Sat 9/129:55 am -
1 stop24h 09m
Deal found 8/7![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Tue 9/225:44 pm -
1 stop23h 25m
Tue 9/2910:50 am -
2 stops25h 19m
Deal found 8/8![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Fri 9/118:24 pm -
1 stop7h 15m
Mon 10/1212:40 pm -
2 stops24h 41m
Deal found 8/8![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/155:44 pm -
1 stop23h 25m
Tue 9/227:00 am -
2 stops12h 59m
Deal found 8/10![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Mon 9/148:24 pm -
1 stop20h 45m
Mon 9/2112:40 pm -
2 stops23h 29m
Deal found 8/10![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/218:24 pm -
1 stop20h 45m
Mon 9/2812:40 pm -
2 stops23h 29m
Deal found 8/7![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Tue 9/83:13 pm -
2 stops25h 56m
Thu 10/159:45 am -
1 stop13h 32m
Deal found 8/8![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/108:24 pm -
1 stop7h 15m
Mon 10/1212:40 pm -
2 stops24h 41m
Deal found 8/8![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Fri 9/118:24 pm -
1 stop7h 15m
Thu 10/159:45 am -
1 stop13h 32m
Deal found 8/8![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/172:30 pm -
1 stop13h 09m
Sun 9/202:50 pm -
2 stops19h 14m
Deal found 8/8![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/57:56 pm -
2 stops22h 59m
Sat 9/129:55 am -
1 stop24h 09m
Deal found 8/7![Multiple Airlines logo]()
$429
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 August 11, 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 August 11, 2026.
This Delta deal was found by Cheapflights users on 8/10. 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.
Wed 9/2312:19 pm -
1 stop8h 40m
Fri 10/25:04 pm -
2 stops21h 01m
Deal found 8/10![Delta logo]()
$572
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/245:00 am -
1 stop7h 14m
Sun 9/276:30 am -
1 stop8h 48m
Deal found 8/8![United Airlines logo]()
$610
This Delta deal was found by Cheapflights users on 8/10. 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 9/226:00 am -
2 stops14h 13m
Fri 10/27:04 pm -
2 stops19h 01m
Deal found 8/10![Delta logo]()
$578
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/47:13 pm -
1 stop8h 47m
Fri 9/115:15 pm -
1 stop8h 44m
Deal found 8/7![United Airlines logo]()
$610
This Delta deal was found by Cheapflights users on 8/10. 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 9/207:05 am -
1 stop11h 54m
Mon 9/287:04 pm -
2 stops19h 01m
Deal found 8/10![Delta logo]()
$581
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Wed 9/97:00 am -
1 stop7h 56m
Mon 9/143:53 pm -
1 stop9h 06m
Deal found 8/8![United Airlines logo]()
$610
This Delta deal was found by Cheapflights users on 8/9. 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.
Sat 10/246:00 am -
2 stops8h 19m
Sat 10/3111:38 am -
1 stop10h 52m
Deal found 8/9![Delta logo]()
$588
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/216:08 am -
1 stop7h 06m
Mon 9/285:15 pm -
1 stop8h 34m
Deal found 8/7![United Airlines logo]()
$610
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 9/1912:17 pm -
1 stop8h 42m
Wed 9/306:10 pm -
2 stops8h 37m
Deal found 8/10![Delta logo]()
$588
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am -
1 stop7h 56m
Mon 9/143:53 pm -
1 stop9h 06m
Deal found 8/9![United Airlines logo]()
$610
This Delta deal was found by Cheapflights users on 8/6. 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 9/710:00 pm -
2 stops14h 15m
Thu 9/172:24 pm -
2 stops12h 23m
Deal found 8/6![Delta logo]()
$610
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 10/55:00 am -
1 stop7h 14m
Fri 10/165:15 pm -
1 stop8h 34m
Deal found 8/8![United Airlines logo]()
$610
Last-minute flights from Ontario to Niagara FallsDiscover last-minute flight deals from Ontario to Niagara Falls. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Niagara Falls. Data last updated August 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/57:56 pm -
2 stops22h 59m
Sat 9/129:55 am -
1 stop24h 09m
Deal found 8/7![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Tue 9/83:13 pm -
2 stops25h 56m
Thu 10/159:45 am -
1 stop13h 32m
Deal found 8/8![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/108:24 pm -
1 stop7h 15m
Wed 9/169:55 am -
1 stop10h 04m
Deal found 8/7![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/108:24 pm -
1 stop7h 15m
Mon 10/1212:40 pm -
2 stops24h 41m
Deal found 8/8![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/118:24 pm -
1 stop7h 15m
Sat 9/129:55 am -
1 stop24h 09m
Deal found 8/7![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Fri 9/118:24 pm -
1 stop7h 15m
Mon 10/1212:40 pm -
2 stops24h 41m
Deal found 8/8![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Fri 9/118:24 pm -
1 stop7h 15m
Thu 10/159:45 am -
1 stop13h 32m
Deal found 8/8![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Mon 9/148:24 pm -
1 stop20h 45m
Mon 9/2112:40 pm -
2 stops23h 29m
Deal found 8/10![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/155:44 pm -
1 stop23h 25m
Tue 9/227:00 am -
2 stops12h 59m
Deal found 8/10![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/172:30 pm -
1 stop13h 09m
Sun 9/202:50 pm -
2 stops19h 14m
Deal found 8/8![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/218:24 pm -
1 stop20h 45m
Mon 9/2812:40 pm -
2 stops23h 29m
Deal found 8/7![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Tue 9/225:44 pm -
1 stop23h 25m
Tue 9/2910:50 am -
2 stops25h 19m
Deal found 8/8![Multiple Airlines logo]()
$409
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 August 11, 2026.
Search for one-way flight options from Ontario to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Trip.com deal was found by Cheapflights users on 8/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am -
1 stop19h 39m
Deal found 8/10![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/212:30 pm -
1 stop26h 39m
Deal found 8/7![Multiple Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Mon 9/288:24 pm -
1 stop20h 45m
Deal found 8/9![Multiple Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Tue 9/83:13 pm -
2 stops25h 56m
Deal found 8/8![Multiple Airlines logo]()
$191
This Trip.com deal was found by Cheapflights users on 8/7. 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.
Fri 11/1311:19 am -
1 stop7h 31m
Deal found 8/7![Multiple Airlines logo]()
$195
This Trip.com deal was found by Cheapflights users on 8/7. 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.
Thu 12/1010:05 am -
1 stop8h 45m
Deal found 8/7![Multiple Airlines logo]()
$210
This Trip.com deal was found by Cheapflights users on 8/6. 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.
Sat 9/53:40 pm -
1 stop11h 59m
Deal found 8/6![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/258:00 am -
3 stops18h 45m
Deal found 8/7![Multiple Airlines logo]()
$215
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 August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $407 (Kiwi.com) |
One-way from | $179 (Trip.com) |
Popular in | January |
Cheapest in | October |
Average price | $747 |
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 August 11, 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 Ontario - YYZ Toronto Pearson Intl
ONTYYZ
Ontario
Wed 9/23
12:19 pm-11:59 pm
1 stop8h 40m
Toronto Pearson Intl
Fri 10/2
5:04 pm-11:05 am
2 stops21h 01m
$572
OntarioToronto
ONT Ontario - YYZ Toronto Pearson Intl
ONTYYZ
Ontario
Tue 9/22
6:00 am-11:13 pm
2 stops14h 13m
Toronto Pearson Intl
Fri 10/2
7:04 pm-11:05 am
2 stops19h 01m
$578
OntarioToronto
ONT Ontario - YYZ Toronto Pearson Intl
ONTYYZ
Ontario
Sun 9/20
7:05 am-9:59 pm
1 stop11h 54m
Toronto Pearson Intl
Mon 9/28
7:04 pm-11:05 am
2 stops19h 01m
$581
OntarioToronto
ONT Ontario - YYZ Toronto Pearson Intl
ONTYYZ
Ontario
Sat 10/24
6:00 am-5:19 pm
2 stops8h 19m
Toronto Pearson Intl
Sat 10/31
11:38 am-7:30 pm
1 stop10h 52m
$588
OntarioToronto
ONT Ontario - YYZ Toronto Pearson Intl
ONTYYZ
Ontario
Sat 9/19
12:17 pm-11:59 pm
1 stop8h 42m
Toronto Pearson Intl
Wed 9/30
6:10 pm-11:47 pm
2 stops8h 37m
$588
OntarioToronto
ONT Ontario - YYZ Toronto Pearson Intl
ONTYYZ
Ontario
Thu 9/24
5:00 am-3:14 pm
1 stop7h 14m
Toronto Pearson Intl
Sun 9/27
6:30 am-12:18 pm
1 stop8h 48m
$610
OntarioToronto
ONT Ontario - YYZ Toronto Pearson Intl
ONTYYZ
Ontario
Fri 9/4
7:13 pm-7:00 am
1 stop8h 47m
Toronto Pearson Intl
Fri 9/11
5:15 pm-10:59 pm
1 stop8h 44m
$610
OntarioToronto
ONT Ontario - YYZ Toronto Pearson Intl
ONTYYZ
Ontario
Wed 9/9
7:00 am-5:56 pm
1 stop7h 56m
Toronto Pearson Intl
Mon 9/14
3:53 pm-9:59 pm
1 stop9h 06m
$610
Quickest round-trip
OntarioToronto
ONT Ontario - YYZ Toronto Pearson Intl
ONTYYZ
Ontario
Mon 9/21
6:08 am-4:14 pm
1 stop7h 06m
Toronto Pearson Intl
Mon 9/28
5:15 pm-10:49 pm
1 stop8h 34m
$610
OntarioToronto
ONT Ontario - YYZ Toronto Pearson Intl
ONTYYZ
Ontario
Sat 9/12
7:00 am-5:56 pm
1 stop7h 56m
Toronto Pearson Intl
Mon 9/14
3:53 pm-9:59 pm
1 stop9h 06m
$610
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?
Airfare is below average for this route at the moment.
Ontario to Niagara Falls flights typically cost between $575 and $898 in September.The cheapest round-trip price found within the last 5 days was $407 on Multiple Airlines (Sep 10-Sep 16).
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 August 11, 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.
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$142 | Average$507 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$320 | Average$633 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$436 | Average$646 | FlexibilityNo cancel fee | On-time71% |