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Niagara Falls

$142+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YYZ
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$295
(Kiwi.com)

One-way from

$142
(Trip.com)

Popular in

September

Cheapest in

November

Average price

$597
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From Ontario to Niagara Falls
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One-way flight from Ontario to Niagara Falls
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Highest demand for flights based on searches. 27% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/52:05 pmONT - YYZ
2 stops45h 08mMultiple Airlines
Fri 12/129:35 amYYZ - ONT
1 stop14h 42mMultiple Airlines
Deal found 10/28$295
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:15 amONT - YYZ
1 stop10h 40mMultiple Airlines
Sat 12/139:35 amYYZ - ONT
1 stop14h 42mMultiple Airlines
Deal found 10/30$303
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:15 amONT - YYZ
1 stop21h 05mMultiple Airlines
Mon 12/81:30 pmYYZ - ONT
2 stops34h 47mMultiple Airlines
Deal found 10/30$306
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Wed 11/265:06 pmONT - YYZ
1 stop26h 54mMultiple Airlines
Wed 12/39:35 amYYZ - ONT
1 stop14h 42mMultiple Airlines
Deal found 10/28$322

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 October 30, 2025.
Use the filters below to find and compare flights from Ontario to Niagara Falls that are best for you.

Fly from

Ontario

Fly to

Niagara Falls

Route

Depart

Return

Price

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 12/25

6:07 pm-6:47 am

1 stop9h 40m

Toronto Pearson Intl

Tue 12/30

6:30 pm-5:15 pm

2 stops25h 45m

$456

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sat 12/6

1:26 pm-3:35 pm

2 stops23h 09m

Toronto Pearson Intl

Sat 12/13

4:45 pm-8:03 pm

2 stops30h 18m

$458

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 1/8

5:59 pm-3:35 pm

2 stops18h 36m

Toronto Pearson Intl

Mon 1/12

4:45 pm-5:05 pm

2 stops27h 20m

$468

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 12/5

7:10 am-3:35 pm

2 stops29h 25m

Toronto Pearson Intl

Fri 12/12

4:45 pm-11:19 am

1 stop21h 34m

$483

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sat 12/6

5:49 pm-11:25 am

2 stops14h 36m

Toronto Pearson Intl

Sat 12/13

10:05 am-10:47 pm

2 stops15h 42m

$519

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 11/20

3:31 pm-6:20 am

1 stop11h 49m

$148

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sat 11/22

11:06 am-11:00 pm

1 stop8h 54m

$176

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 11/21

5:06 pm-6:20 am

1 stop10h 14m

$189

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 11/24

6:01 pm-3:35 pm

1 stop18h 34m

$197

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 1/27

11:53 am-3:35 pm

1 stop24h 42m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 14 results
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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

What is the cheapest month to book a flight from Ontario to Niagara Falls?

Currently, June is the cheapest month in which you can book a flight from Ontario to Niagara Falls (average of $74). Flying from Ontario to Niagara Falls in January is currently the most expensive (average of $141). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to NI4?

Find hourly flight availability from Ontario to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

One of the essential ways to save on airfare from Ontario to Niagara Falls is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 21% on airfare.

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 October 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
7.9
Good
7,993 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
8,998 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
7.2
Good
11,030 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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.
Air Canada
7.1
Good
10,377 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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 $458, Alaska Airlines can have you in Niagara Falls from Ontario in 23h 09m. The distance between Ontario and Niagara Falls is about 2126 mi.

  • 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.

  • What is the cheapest month to book a flight from Ontario to Niagara Falls?

    Currently, June is the cheapest month in which you can book a flight from Ontario to Niagara Falls (average of $74). Flying from Ontario to Niagara Falls in January is currently the most expensive (average of $141). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Niagara Falls

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$105Average$477FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$279Average$371FlexibilityNo cancel feeOn-time67%
DeltaCheapest$329Average$413FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$458Average$742FlexibilityNo cancel feeOn-time71%

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