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Niagara Falls

$98+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YYZ
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 2/267:22 pm
ONT
-
YYZ
1 stop8h 21m
Multiple Airlines
Thu 3/58:35 pm
YYZ
-
ONT
1 stop22h 02m
Multiple Airlines
Deal found 1/28$252
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/257:17 pm
ONT
-
YYZ
2 stops21h 19m
Multiple Airlines
Fri 3/68:00 pm
YYZ
-
ONT
1 stop25h 15m
Multiple Airlines
Deal found 1/27$257
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/257:17 pm
ONT
-
YYZ
2 stops21h 19m
Multiple Airlines
Sun 3/18:00 pm
YYZ
-
ONT
1 stop20h 11m
Multiple Airlines
Deal found 1/27$258
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/267:22 pm
ONT
-
YYZ
2 stops31h 51m
Multiple Airlines
Fri 3/68:00 pm
YYZ
-
ONT
1 stop25h 15m
Multiple Airlines
Deal found 1/27$259
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/257:17 pm
ONT
-
YYZ
2 stops21h 19m
Multiple Airlines
Thu 3/58:35 pm
YYZ
-
ONT
1 stop14h 31m
Multiple Airlines
Deal found 1/27$261
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Fri 2/274:46 pm
ONT
-
YYZ
1 stop10h 57m
Multiple Airlines
Thu 3/58:35 pm
YYZ
-
ONT
1 stop14h 31m
Multiple Airlines
Deal found 1/27$271
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/263:24 pm
ONT
-
YYZ
2 stops11h 49m
Multiple Airlines
Sun 3/17:55 pm
YYZ
-
ONT
1 stop20h 16m
Multiple Airlines
Deal found 1/27$281
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/187:17 pm
ONT
-
YYZ
2 stops49h 38m
Multiple Airlines
Fri 2/278:00 pm
YYZ
-
ONT
1 stop20h 11m
Multiple Airlines
Deal found 1/26$282

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$252
(Kiwi.com)

One-way from

$98
(Trip.com)

Popular in

September

Cheapest in

October

Average price

$588
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. 14% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
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 4/16

11:44 am-6:43 am

1 stop15h 59m

Toronto Pearson Intl

Wed 4/22

1:30 pm-8:04 am

2 stops21h 34m

$298

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 2/25

7:59 pm-3:35 pm

2 stops16h 36m

Toronto Pearson Intl

Tue 3/3

4:45 pm-7:14 pm

2 stops29h 29m

$429

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 2/25

4:02 pm-3:35 pm

1 stop20h 33m

Toronto Pearson Intl

Sat 2/28

4:45 pm-11:32 pm

1 stop9h 47m

$454

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 2/25

6:14 am-3:35 pm

1 stop30h 21m

Toronto Pearson Intl

Wed 3/4

4:45 pm-10:44 pm

1 stop8h 59m

$454

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 2/25

4:02 pm-3:35 pm

1 stop20h 33m

Toronto Pearson Intl

Mon 3/2

4:45 pm-3:08 pm

1 stop25h 23m

$465

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 2/26

4:02 pm-3:35 pm

1 stop20h 33m

Toronto Pearson Intl

Tue 3/3

4:45 pm-3:08 pm

1 stop25h 23m

$475

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 2/26

4:02 pm-3:35 pm

1 stop20h 33m

Toronto Pearson Intl

Wed 3/4

4:45 pm-10:44 pm

1 stop8h 59m

$475

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 4/3

12:57 pm-11:57 pm

1 stop8h 00m

Toronto Pearson Intl

Tue 4/7

10:05 am-10:34 pm

2 stops15h 29m

$498

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 2/26

7:00 am-3:35 pm

2 stops29h 35m

Toronto Pearson Intl

Thu 3/5

4:45 pm-6:57 pm

2 stops29h 12m

$498

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 4/14

5:55 pm-11:18 am

2 stops14h 23m

Toronto Pearson Intl

Mon 4/20

11:30 am-9:00 pm

1 stop12h 30m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 21 results
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2
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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 December is currently the most expensive (average of $188). 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.

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 January 29, 2026.
Get a feel of what it's like to fly with United Airlines and Air Canada 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.
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
10,667 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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. 2 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 $429, Alaska Airlines can have you in Niagara Falls from Ontario in 16h 36m. 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 December is currently the most expensive (average of $188). 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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Top 2 airlines flying from Ontario to Niagara Falls

Discover the top 2 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$101Average$588FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$122Average$533FlexibilityNo cancel feeOn-time67%

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