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Niagara Falls

$201+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YYZ
Jul 30 — Aug 61
Thu 7/30
Thu 8/6
1 adult, Economy
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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 June 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Sat 10/102:58 pm
ONT
-
YYZ
2 stops11h 47m
Multiple Airlines
Mon 10/198:35 pm
YYZ
-
ONT
1 stop22h 35m
Multiple Airlines
Deal found 6/27$415
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:26 pm
ONT
-
YYZ
1 stop27h 59m
Multiple Airlines
Tue 9/1510:50 am
YYZ
-
ONT
2 stops13h 04m
Multiple Airlines
Deal found 6/29$433
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Tue 7/218:58 am
ONT
-
YYZ
1 stop9h 27m
Multiple Airlines
Mon 7/279:00 am
YYZ
-
ONT
2 stops26h 03m
Multiple Airlines
Deal found 6/28$434
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Fri 10/92:58 pm
ONT
-
YYZ
2 stops11h 47m
Multiple Airlines
Mon 10/128:35 pm
YYZ
-
ONT
1 stop16h 46m
Multiple Airlines
Deal found 6/26$449
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Wed 7/293:40 pm
ONT
-
YYZ
1 stop11h 59m
Multiple Airlines
Wed 8/52:50 pm
YYZ
-
ONT
2 stops23h 12m
Multiple Airlines
Deal found 6/25$458
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Wed 9/99:49 pm
ONT
-
YYZ
1 stop29h 50m
Multiple Airlines
Tue 9/1510:50 am
YYZ
-
ONT
2 stops13h 04m
Multiple Airlines
Deal found 6/26$460
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Mon 8/248:48 am
ONT
-
YYZ
2 stops17h 57m
Multiple Airlines
Mon 8/318:35 pm
YYZ
-
ONT
1 stop22h 19m
Multiple Airlines
Deal found 6/28$461
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Mon 8/248:48 am
ONT
-
YYZ
2 stops17h 57m
Multiple Airlines
Fri 8/288:35 pm
YYZ
-
ONT
1 stop14h 28m
Multiple Airlines
Deal found 6/28$462
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 10/12:58 pm
ONT
-
YYZ
1 stop12h 41m
Multiple Airlines
Sun 10/43:50 pm
YYZ
-
ONT
2 stops25h 10m
Multiple Airlines
Deal found 6/25$464
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 8/193:40 pm
ONT
-
YYZ
1 stop11h 59m
Multiple Airlines
Wed 8/266:00 am
YYZ
-
ONT
2 stops31h 29m
Multiple Airlines
Deal found 6/27$467
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Sat 8/296:00 am
ONT
-
YYZ
2 stops15h 10m
Multiple Airlines
Mon 8/318:35 pm
YYZ
-
ONT
1 stop22h 19m
Multiple Airlines
Deal found 6/28$471

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 June 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$415
(Kiwi.com)

One-way from

$201
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$646
Provider with most accurate pricing for Los Angeles-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Toronto (YTO) flights.
Search Deals
From Ontario to Niagara Falls
Search Deals
One-way flight from Ontario to Niagara Falls
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 30, 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 7/11

6:10 am-4:56 pm

1 stop7h 46m

Toronto Pearson Intl

Fri 7/17

5:15 pm-10:51 pm

1 stop8h 36m

$567

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sun 7/12

6:10 am-5:56 pm

1 stop8h 46m

Toronto Pearson Intl

Tue 7/21

4:18 pm-8:42 pm

1 stop7h 24m

$567

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sat 7/11

6:10 am-4:56 pm

1 stop7h 46m

Toronto Pearson Intl

Wed 7/15

3:53 pm-9:55 pm

1 stop9h 02m

$581

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 8/10

6:39 pm-7:00 am

1 stop9h 21m

Toronto Pearson Intl

Wed 8/12

6:30 am-12:12 pm

1 stop8h 42m

$581

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 9/16

5:00 am-9:32 pm

1 stop13h 32m

Toronto Pearson Intl

Sun 9/20

6:30 am-8:01 pm

1 stop16h 31m

$588

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 9/30

5:00 am-9:32 pm

1 stop13h 32m

Toronto Pearson Intl

Mon 10/5

4:18 pm-8:58 pm

1 stop7h 40m

$588
Quickest round-trip

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 9/22

6:08 am-4:14 pm

1 stop7h 06m

Toronto Pearson Intl

Sun 9/27

6:30 am-12:18 pm

1 stop8h 48m

$588

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 9/18

6:00 am-4:14 pm

1 stop7h 14m

Toronto Pearson Intl

Sun 9/20

6:30 am-12:12 pm

1 stop8h 42m

$588

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 8/7

10:00 pm-6:12 pm

2 stops17h 12m

Toronto Pearson Intl

Wed 8/19

6:00 am-10:42 am

1 stop7h 42m

$591

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 7/13

5:10 pm-11:19 am

2 stops15h 09m

Toronto Pearson Intl

Tue 7/21

10:00 am-9:50 pm

2 stops14h 50m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

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 June 30, 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.
Delta
7.8
Good
8,451 reviews

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

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.
Delta
7.8
Good
8,451 reviews
Delta
7.8
Good
8,451 reviews

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

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.
United Airlines
7.4
Good
9,901 reviews
Delta
7.8
Good
8,451 reviews

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

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.
American Airlines
7.1
Good
11,762 reviews
Delta
7.8
Good
8,451 reviews

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

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. 3 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 $567, Delta can have you in Niagara Falls from Ontario in 7h 46m. 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 3 airlines flying from Ontario to Niagara Falls

Discover the top 3 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 June 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$142Average$507FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$320Average$629FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$436Average$698FlexibilityNo cancel feeOn-time71%

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