Niagara Falls

$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
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Cheap flight deals from Ontario to Niagara Falls

Cheapest flights from Ontario to Niagara Falls
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$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$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$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$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$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$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$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$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$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$450

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
Provider with most accurate pricing for Los Angeles-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Toronto (YTO) flights.
From Ontario to Niagara Falls
One-way flight from Ontario to Niagara Falls
Highest demand for flights based on searches. 26% potential increase in price ($226 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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

Price

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 22 resultsSorted by cheapest first
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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.
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

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
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Niagara Falls. 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 Ontario to Niagara Falls?

    For a flight from Ontario to Niagara Falls, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Niagara Falls per day. 4 airlines have flights to Niagara Falls from Ontario on a regular basis.

  • How long is the flight from Ontario to Niagara Falls?

    For as low as $490, United Airlines can have you in Niagara Falls from Ontario in 7h 14m. The distance between Ontario and Niagara Falls is about 2126 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Ontario to Niagara Falls?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Niagara Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 4 airlines flying from Ontario to Niagara Falls

Discover the top 4 airlines that operate flights from Ontario to Niagara Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$122Average$582FlexibilityNo cancel feeOn-time67%
DeltaCheapest$187Average$492FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$320Average$633FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$436Average$698FlexibilityNo cancel feeOn-time71%

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