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Cheap flights from Ontario to Ontario from C$ 140

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
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to Ontario

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

Round-trip from

C$ 359

One-way from

C$ 140

Popular in

December

Cheapest in

May

Average price

C$ 403
16/10-19/10
  • 16/10-19/10
  • 3 total stops
  • 39h 10m total
  • Ontario to Ontario
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8/10
  • 8/10
  • 1 total stop
  • 8h 58m total
  • Ontario to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Ontario

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

Thu 16/106:05 a.m.ONT - YYZ
1 stop10h 53mMultiple Airlines
Sun 19/106:30 a.m.YYZ - ONT
2 stops28h 17mMultiple Airlines
Deal found 14/9C$ 359
Thu 23/106:05 a.m.ONT - YYZ
1 stop10h 53mMultiple Airlines
Sat 25/108:00 a.m.YYZ - ONT
2 stops30h 08mMultiple Airlines
Deal found 14/9C$ 380
Mon 3/117:44 p.m.ONT - YYZ
1 stop7h 36mMultiple Airlines
Tue 11/111:30 p.m.YYZ - ONT
2 stops34h 12mMultiple Airlines
Deal found 14/9C$ 383
Thu 30/107:44 p.m.ONT - YYZ
2 stops20h 52mMultiple Airlines
Thu 6/119:45 a.m.YYZ - ONT
1 stop15h 10mMultiple Airlines
Deal found 15/9C$ 391
Mon 20/1010:50 p.m.ONT - YYZ
2 stops21h 03mMultiple Airlines
Tue 28/109:35 a.m.YYZ - ONT
1 stop14h 07mMultiple Airlines
Deal found 14/9C$ 399
Thu 30/1010:05 a.m.ONT - YYZ
1 stop9h 55mMultiple Airlines
Mon 3/111:30 p.m.YYZ - ONT
2 stops34h 12mMultiple Airlines
Deal found 14/9C$ 405
Fri 7/117:44 p.m.ONT - YYZ
1 stop7h 36mMultiple Airlines
Tue 11/111:30 p.m.YYZ - ONT
2 stops34h 12mMultiple Airlines
Deal found 15/9C$ 419
Fri 7/117:44 p.m.ONT - YYZ
1 stop7h 36mMultiple Airlines
Wed 12/111:30 p.m.YYZ - ONT
2 stops22h 40mMultiple Airlines
Deal found 15/9C$ 420
Mon 27/1010:47 p.m.ONT - YYZ
1 stop18h 08mMultiple Airlines
Tue 4/1112:40 p.m.YYZ - ONT
1 stop11h 02mMultiple Airlines
Deal found 15/9C$ 448
Wed 29/104:49 p.m.ONT - YUL
2 stops15h 51mAmerican Airlines
Wed 5/112:29 p.m.YUL - ONT
2 stops21h 32mAmerican Airlines
Deal found 14/9C$ 732
Fri 24/106:27 p.m.ONT - YOW
2 stops16h 37mUnited Airlines
Thu 30/1011:10 a.m.YOW - ONT
2 stops14h 41mUnited Airlines
Deal found 15/9C$ 735
Sat 1/116:15 a.m.ONT - YUL
2 stops13h 29mAmerican Airlines
Mon 10/117:30 a.m.YUL - ONT
2 stops17h 29mAmerican Airlines
Deal found 14/9C$ 774

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 Ontario to Ontario that are best for you.

Fly from

Ontario

Fly to

Ontario

Route

Depart

Return

Price

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 29/9

2:45 p.m.-1:38 p.m.

2 stops19h 53m

Toronto Pearson Intl

Thu 2/10

9:45 a.m.-8:56 p.m.

1 stop14h 11m

C$ 501

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 24/10

7:10 a.m.-3:00 p.m.

2 stops28h 50m

Toronto Pearson Intl

Tue 28/10

4:45 p.m.-9:58 a.m.

2 stops20h 13m

C$ 618

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 20/10

7:10 a.m.-3:00 p.m.

2 stops28h 50m

Toronto Pearson Intl

Tue 28/10

4:45 p.m.-9:58 a.m.

2 stops20h 13m

C$ 631

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 3/11

6:11 p.m.-3:35 p.m.

1 stop18h 24m

Toronto Pearson Intl

Tue 11/11

4:45 p.m.-5:09 p.m.

2 stops27h 24m

C$ 638

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 20/10

7:10 a.m.-3:00 p.m.

2 stops28h 50m

Toronto Pearson Intl

Sat 22/11

4:45 p.m.-11:59 p.m.

1 stop10h 14m

C$ 652

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 4/11

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

1 stop20h 24m

Toronto Pearson Intl

Fri 14/11

4:45 p.m.-8:53 p.m.

1 stop31h 08m

C$ 653

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 20/11

11:59 a.m.-3:35 p.m.

1 stop24h 36m

Toronto Pearson Intl

Sat 22/11

4:45 p.m.-11:59 p.m.

1 stop10h 14m

C$ 667

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 31/10

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

1 stop20h 24m

Toronto Pearson Intl

Fri 7/11

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

1 stop25h 32m

C$ 667

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Fri 24/10

6:27 p.m.-2:04 p.m.

2 stops16h 37m

Ottawa

Thu 30/10

11:10 a.m.-10:51 p.m.

2 stops14h 41m

C$ 735

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 20/2

10:38 a.m.-3:20 p.m.

2 stops25h 42m

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

2:25 p.m.-8:42 a.m.

2 stops21h 17m

C$ 858

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 56 results
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Best time to book a flight from Ontario to Ontario

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

What is the cheapest month to book a flight from Ontario to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Ontario to Region of Ontario (average of C$ 169). Flying from Ontario to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 ON?

Find hourly flight availability from Ontario 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.

When flying from Ontario to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 through reviews of airlines operating flights from Ontario to Ontario, such as United Airlines and Air Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,924 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

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
8,924 reviews
United Airlines
7.4
Good
8,924 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

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
10,000 reviews
United Airlines
7.4
Good
8,924 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

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 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 from for flights from Ontario to Ontario?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Ontario. It is only a 4.9 km journey to Ontario (ONT) from Ontario’s city centre.

  • How long is the flight from Ontario to Region of Ontario?

    For as low as C$ 735, Alaska Airlines can have you in Region of Ontario from Ontario in 16h 37m. The distance from Ontario to Region of Ontario is about 3748 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ontario to Region of Ontario one-way?

    The cheapest airlines for a one-way flight from Ontario to Region of Ontario are Alaska Airlines (C$ 280), United Airlines (C$ 296), and American Airlines (C$ 467).

  • What are the most popular routes from Ontario to Region of Ontario?

    The most popular flight routes from Ontario to Region of Ontario are Ontario - Toronto Pearson Intl, Ontario - Montreal Pierre Elliott Trudeau Intl and Ontario - Ottawa.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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 Ontario to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Region of Ontario (average of C$ 169). Flying from Ontario to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to Ontario

Discover the top 2 airlines that operate flights from Ontario 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
Air CanadaCheapestC$ 445AverageC$ 723FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 445AverageC$ 445FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Ontario.

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

Certainly. Search results for flights to Ontario from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Ontario become cheaper?

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