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Cheap flights from Niagara Falls to Ontario from C$ 209

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ONT
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Niagara Falls to Ontario are usually found in April or February, booked 70 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Niagara Falls to Ontario

Keep the following information in mind while searching for Niagara Falls to Ontario flight deals. Data was last updated 16 September 2025.

Round-trip from

C$ 343

One-way from

C$ 209

Popular in

August

Cheapest in

April

Average price

C$ 789
22/10-23/10
  • 22/10-23/10
  • 2 total stops
  • 24h 50m total
  • Niagara Falls to Ontario
Search Deals
23/9
  • 23/9
  • 3 total stops
  • 16h 56m total
  • Niagara Falls to Ontario
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 295 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Niagara Falls to Ontario

Cheapest flights from Niagara Falls to Ontario
Explore the most affordable flight options available from Niagara Falls to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Tue 4/119:35 a.m.YYZ - ONT
1 stop14h 07mMultiple Airlines
Tue 11/118:00 a.m.ONT - YYZ
2 stops32h 36mMultiple Airlines
Deal found 13/9C$ 362
Wed 15/106:30 a.m.YYZ - ONT
2 stops29h 40mMultiple Airlines
Wed 22/108:00 a.m.ONT - YYZ
1 stop8h 58mMultiple Airlines
Deal found 15/9C$ 408
Tue 7/1010:00 a.m.YYZ - ONT
2 stops13h 42mMultiple Airlines
Tue 28/108:00 a.m.ONT - YYZ
1 stop12h 00mMultiple Airlines
Deal found 15/9C$ 428
Sat 1/119:35 a.m.YYZ - ONT
1 stop14h 07mMultiple Airlines
Sat 8/111:37 p.m.ONT - YYZ
1 stop13h 43mMultiple Airlines
Deal found 14/9C$ 438
Fri 7/119:45 a.m.YYZ - ONT
1 stop17h 05mMultiple Airlines
Mon 17/117:44 p.m.ONT - YYZ
1 stop21h 11mMultiple Airlines
Deal found 13/9C$ 474
Sun 5/109:45 a.m.YYZ - ONT
1 stop16h 53mMultiple Airlines
Mon 6/1010:28 p.m.ONT - YYZ
2 stops21h 24mMultiple Airlines
Deal found 14/9C$ 493
Thu 16/106:30 a.m.YYZ - ONT
2 stops28h 19mMultiple Airlines
Wed 22/108:00 a.m.ONT - YYZ
1 stop8h 58mMultiple Airlines
Deal found 15/9C$ 495

Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls to Ontario 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 629,999 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Niagara Falls to Ontario that are best for you.

Fly from

Niagara Falls

Fly to

Ontario

Route

Depart

Return

Price

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 3/11

4:45 p.m.-11:05 a.m.

1 stop21h 20m

Ontario

Tue 4/11

4:11 p.m.-3:35 p.m.

1 stop20h 24m

C$ 602

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 2/12

4:45 p.m.-11:19 a.m.

1 stop21h 34m

Ontario

Fri 12/12

7:10 a.m.-3:35 p.m.

2 stops29h 25m

C$ 605

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Wed 3/12

4:45 p.m.-8:03 p.m.

2 stops30h 18m

Ontario

Sun 14/12

7:10 a.m.-3:35 p.m.

2 stops29h 25m

C$ 609

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 7/11

4:45 p.m.-5:05 p.m.

2 stops27h 20m

Ontario

Sun 9/11

7:20 a.m.-3:35 p.m.

2 stops29h 15m

C$ 649

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 20/11

4:45 p.m.-9:55 a.m.

1 stop20h 10m

Ontario

Sun 23/11

6:00 a.m.-3:35 p.m.

1 stop30h 35m

C$ 656

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 8/12

4:45 p.m.-8:03 p.m.

2 stops30h 18m

Ontario

Mon 15/12

4:15 p.m.-3:35 p.m.

1 stop20h 20m

C$ 662

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 25/10

4:45 p.m.-12:03 a.m.

1 stop10h 18m

Ontario

Fri 31/10

4:11 p.m.-3:35 p.m.

1 stop20h 24m

C$ 674

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Wed 29/10

4:45 p.m.-3:17 p.m.

1 stop25h 32m

Ontario

Wed 5/11

6:00 a.m.-3:35 p.m.

1 stop30h 35m

C$ 677

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 6/12

4:45 p.m.-3:21 p.m.

1 stop25h 36m

Ontario

Fri 12/12

7:32 p.m.-3:35 p.m.

1 stop17h 03m

C$ 687

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 8/11

4:45 p.m.-11:05 a.m.

1 stop21h 20m

Ontario

Sun 16/11

7:20 a.m.-3:35 p.m.

2 stops29h 15m

C$ 687

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 19 results
1
2

Best time to book a flight from Niagara Falls to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Niagara Falls 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 Niagara Falls to Ontario

How far ahead should I book a flight from Niagara Falls to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to Ontario. Price data was last updated on 12 September 2025.

To ensure you get the cheapest price possible for a flight from Niagara Falls to Ontario, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Niagara Falls to Ontario (average of C$ 290). Flying from Niagara Falls to Ontario in December is currently the most expensive (average of C$ 461). 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 NI4 to ONT?

Find hourly flight availability from Niagara Falls to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Niagara Falls to Ontario as you normally would.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 16 September 2025.
Read reviews from past customers who have flown Delta,Porter Airlines, andUnited Airlines from Niagara Falls to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Porter Airlines
7.9
Good
363 reviews
Delta
8.0
Very good
7,957 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    Ontario (ONT), located 4.9 km from the city centre, is the airport you fly into when you book flights from Niagara Falls to Ontario. 5 airlines have flights to Ontario from Niagara Falls on a regular basis. Booking flights from Niagara Falls to Ontario should not be difficult; the airport handles an average of 0 inbound flights from Niagara Falls per day.

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

    Departing from Niagara Falls to Ontario will take you 21h 20m. The distance between Niagara Falls and Ontario is about 3421 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Niagara Falls to Ontario 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 Niagara Falls to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Niagara Falls to Ontario (average of C$ 290). Flying from Niagara Falls to Ontario in December is currently the most expensive (average of C$ 461). 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 Niagara Falls to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Niagara Falls to Ontario

Discover the top 5 airlines that operate flights from Niagara Falls to Ontario. 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 629,999 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 132AverageC$ 735FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 275AverageC$ 294FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 376AverageC$ 591FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 392AverageC$ 710FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 400AverageC$ 421FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Niagara Falls to Ontario?

Cheapflights makes it easy to find Niagara Falls to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Niagara Falls to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Niagara Falls by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Niagara Falls to Ontario with no change fees?

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