Find flights
When to book
FAQs

Cheap flights from Ontario to Ontario from C$ 279

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ONT
10 Aug — 17 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Ontario

Enter your travel dates to find the best prices.

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 11 July 2026.

Sat 22/87:00 a.m.
YUL
-
ONT
2 stops18h 23m
Delta
Sun 30/810:00 p.m.
ONT
-
YUL
1 stop12h 41m
Delta
Deal found 8/7C$ 565
Thu 6/89:30 a.m.
YUL
-
ONT
2 stops15h 22m
Delta
Tue 11/812:00 p.m.
ONT
-
YUL
1 stop8h 52m
Delta
Deal found 8/7C$ 566
Sat 22/83:45 p.m.
YUL
-
ONT
1 stop20h 49m
American Airlines
Sat 29/812:33 p.m.
ONT
-
YUL
1 stop23h 11m
American Airlines
Deal found 9/7C$ 568
Sat 12/99:55 a.m.
YYZ
-
ONT
1 stop9h 15m
Multiple Airlines
Tue 15/99:49 p.m.
ONT
-
YYZ
1 stop19h 20m
Multiple Airlines
Deal found 8/7C$ 573
Thu 20/87:00 a.m.
YYZ
-
ONT
1 stop12h 22m
Multiple Airlines
Tue 25/83:40 p.m.
ONT
-
YYZ
1 stop11h 59m
Multiple Airlines
Deal found 7/7C$ 583
Wed 9/129:28 a.m.
YUL
-
ONT
2 stops11h 50m
Delta
Wed 16/1212:00 p.m.
ONT
-
YUL
1 stop8h 51m
Delta
Deal found 8/7C$ 586
Fri 28/89:45 a.m.
YUL
-
ONT
1 stop15h 50m
Lufthansa
Wed 9/91:56 p.m.
ONT
-
YUL
1 stop15h 20m
Lufthansa
Deal found 11/7C$ 589
Fri 28/88:35 p.m.
YYZ
-
ONT
1 stop22h 19m
Multiple Airlines
Sun 6/98:48 a.m.
ONT
-
YYZ
2 stops17h 57m
Multiple Airlines
Deal found 9/7C$ 590
Mon 24/86:00 a.m.
YYZ
-
ONT
2 stops35h 03m
Multiple Airlines
Mon 31/810:17 p.m.
ONT
-
YYZ
1 stop15h 52m
Multiple Airlines
Deal found 10/7C$ 592
Thu 30/712:44 p.m.
YUL
-
ONT
1 stop12h 06m
Delta
Mon 10/810:00 p.m.
ONT
-
YUL
1 stop10h 39m
Delta
Deal found 8/7C$ 596
Thu 6/812:44 p.m.
YUL
-
ONT
1 stop12h 08m
Delta
Mon 10/810:00 p.m.
ONT
-
YUL
1 stop10h 39m
Delta
Deal found 8/7C$ 597
Fri 28/812:44 p.m.
YUL
-
ONT
1 stop12h 08m
Delta
Sat 5/912:00 p.m.
ONT
-
YUL
1 stop8h 52m
Delta
Deal found 8/7C$ 599

Find flight deals from Ontario to Ontario

Keep the following information in mind while searching for Ontario to Ontario flight deals. Data was last updated 11 July 2026.

Round-trip from

C$ 565

One-way from

C$ 279

Popular in

June

Cheapest in

September

Average price

C$ 609
United Airlines
  • United Airlines
  • 22/8-29/8
  • 2 total stops
  • 31h 10m total
  • Ontario to Ontario
Search Deals
11/9
  • 11/9
  • 1 total stop
  • 12h 10m total
  • Ontario to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 11 July 2026.
Use the filters below to find and compare flights from Ontario to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

9:45 a.m.-8:01 p.m.

2 stops13h 16m

Ontario

Sun 30/8

7:13 p.m.-10:40 a.m.

2 stops12h 27m

C$ 565

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 10/11

12:45 p.m.-10:14 p.m.

1 stop12h 29m

Ontario

Tue 17/11

12:00 p.m.-11:51 p.m.

1 stop8h 51m

C$ 631

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

9:45 a.m.-10:35 p.m.

1 stop15h 50m

Ontario

Sun 30/8

7:13 p.m.-5:30 p.m.

2 stops19h 17m

C$ 640

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Wed 30/9

4:18 p.m.-8:58 p.m.

1 stop7h 40m

Ontario

Fri 2/10

6:00 a.m.-4:14 p.m.

1 stop7h 14m

C$ 644

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 4/8

12:47 p.m.-11:34 p.m.

2 stops13h 47m

Ontario

Tue 11/8

6:00 a.m.-11:40 p.m.

2 stops14h 40m

C$ 661

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 26/8

9:45 a.m.-8:01 p.m.

2 stops13h 16m

Ontario

Tue 29/9

4:07 p.m.-10:40 a.m.

2 stops15h 33m

C$ 662

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 28/8

6:30 a.m.-12:12 p.m.

1 stop8h 42m

Ontario

Sun 6/9

7:00 a.m.-5:56 p.m.

1 stop7h 56m

C$ 664

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 3/9

5:27 p.m.-10:35 p.m.

1 stop8h 08m

Ontario

Tue 8/9

5:00 a.m.-3:14 p.m.

1 stop7h 14m

C$ 665
Quickest round-trip

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Mon 31/8

4:18 p.m.-8:53 p.m.

1 stop7h 35m

Ontario

Wed 9/9

5:00 a.m.-3:14 p.m.

1 stop7h 14m

C$ 667

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

4:55 p.m.-10:35 p.m.

1 stop8h 40m

Ontario

Tue 29/9

1:52 p.m.-8:16 a.m.

1 stop15h 24m

C$ 672

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 Region of Ontario to Ontario?

Currently, June is the cheapest month in which you can book a flight from Region of Ontario to Ontario (average of C$ 286). Flying from Region of Ontario to Ontario in October is currently the most expensive (average of C$ 848). 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 Region of Ontario to Ontario?

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 into for flights to Ontario from Ontario?

    Ontario (ONT), located 4.9 km from the city centre, is the airport you fly into when you book flights from Ontario to Ontario.

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

    There are many flights that can get you from Region of Ontario to Ontario in 12h 29m. Fly via United Airlines or Delta to get the fastest option. The distance between Region of Ontario and Ontario is about 3899 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    When deciding which route to take from Region of Ontario to Ontario consider Toronto Pearson Intl - Ontario, Montreal Pierre Elliott Trudeau Intl - Ontario or Ottawa - Ontario as they are the most popular.

  • 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 Region of Ontario to Ontario?

    Currently, June is the cheapest month in which you can book a flight from Region of Ontario to Ontario (average of C$ 286). Flying from Region of Ontario to Ontario in October is currently the most expensive (average of C$ 848). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Vancouver Intl to Los Angeles flights
Pearson Intl to Las Vegas flights
Vancouver Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Vancouver Intl to San Francisco flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Vancouver Intl to Ontario flights
Abbotsford to Los Angeles flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Vancouver Intl to San Diego flights
Calgary to Las Vegas flights
Pearson Intl to Ontario flights
Abbotsford to Las Vegas flights
Calgary to Los Angeles flights
Pearson Intl to San Diego flights
Vancouver Intl to Sacramento flights
Abbotsford to San Francisco flights
Toronto Island to Las Vegas flights
Pierre Elliott Trudeau Intl to San Francisco flights
Edmonton to Los Angeles flights
Vancouver Intl to Santa Ana flights
Edmonton to Las Vegas flights
Toronto Island to Los Angeles flights
Pearson Intl to Sacramento flights
Pierre Elliott Trudeau Intl to Ontario flights
Calgary to San Francisco flights
Toronto Island to San Francisco flights
Vancouver Intl to Burbank flights
Region of Waterloo Intl to Las Vegas flights
Hamilton to San Francisco flights
Region of Waterloo Intl to San Francisco flights
Vancouver Intl to Palm Springs flights
Region of Waterloo Intl to Los Angeles flights
Hamilton to Los Angeles flights
Winnipeg to Las Vegas flights
Hamilton to Las Vegas flights
Abbotsford to San Diego flights
Edmonton to San Francisco flights
Abbotsford to Ontario flights
Calgary to Ontario flights
Toronto Island to San Diego flights
Calgary to San Diego flights
Ottawa to Las Vegas flights
Pierre Elliott Trudeau Intl to San Diego flights
Pearson Intl to Santa Ana flights
Québec City to Las Vegas flights
Vancouver Intl to Fresno flights
Pearson Intl to San Jose flights
Edmonton to Ontario flights

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 11 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 364AverageC$ 801FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 605AverageC$ 990FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Ontario 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 Ontario to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Ontario for you. Better yet — we are completely free to use.

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?

Of course! You can now track prices for flights from Ontario to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.