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

For as low as C$ 718, Alaska Airlines can have you in Region of Ontario from Ontario in 15h 51m. The distance from Ontario to Region of Ontario is about 3899 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$ 290), United Airlines (C$ 371), and American Airlines (C$ 387).

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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.

How far in advance should I book a flight from Ontario to Region of Ontario?

Find a great deal and save up to 34% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Region of Ontario within the next two weeks, with the cheapest ticket starting at C$ 328.

What is the cheapest month to fly from Ontario to Region of Ontario?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Region of Ontario. Flights to Region of Ontario from Ontario in May are about C$ 433 on average during May, but can be found for as low as C$ 146.

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.

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.

C$ 147+ Cheap Flights from Ontario to Ontario

Q: How much does it cost to fly round-trip from Ontario to Region of Ontario?

Airfare is below average for this route at the moment. Ontario to Region of Ontario flights typically cost between C$ 468 and C$ 840 in October. The cheapest round-trip price found within the last 3 days was C$ 337 on Multiple Airlines (11 Oct-15 Oct).

Cheap flight deals from Ontario to Ontario

Round-trip from	C$ 337
One-way from	C$ 147
Popular in	December
Cheapest in	May
Average price	C$ 402

11/10-15/10
3 total stops
27h 32m total
Ontario to Ontario

Search Deals

19/10
3 total stops
22h 51m total
Ontario to Ontario

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 107 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).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 11 September 2025.

Sat 11/101:37 p.m.ONT - YYZ

2 stops13h 35mMultiple Airlines

Wed 15/109:45 a.m.YYZ - ONT

1 stop13h 57mMultiple Airlines

Deal found 9/9C$ 337

Mon 20/1010:47 p.m.ONT - YYZ

2 stops21h 05mMultiple Airlines

Tue 28/109:35 a.m.YYZ - ONT

1 stop14h 07mMultiple Airlines

Deal found 11/9C$ 388

Fri 10/106:05 a.m.ONT - YYZ

1 stop21h 15mMultiple Airlines

Sun 19/106:30 a.m.YYZ - ONT

2 stops28h 17mMultiple Airlines

Deal found 10/9C$ 398

Fri 10/1010:47 p.m.ONT - YYZ

2 stops21h 05mMultiple Airlines

Wed 15/109:30 a.m.YYZ - ONT

1 stop14h 12mMultiple Airlines

Deal found 11/9C$ 406

Mon 27/105:15 p.m.ONT - YYZ

1 stop23h 40mMultiple Airlines

Tue 4/119:35 a.m.YYZ - ONT

1 stop14h 07mMultiple Airlines

Deal found 10/9C$ 425

Fri 17/1010:30 a.m.ONT - YYZ

2 stops29h 22mMultiple Airlines

Tue 21/109:30 a.m.YYZ - ONT

1 stop14h 12mMultiple Airlines

Deal found 10/9C$ 434

Fri 17/1010:47 p.m.ONT - YYZ

2 stops19h 05mMultiple Airlines

Sat 25/104:45 p.m.YYZ - ONT

1 stop21h 23mMultiple Airlines

Deal found 10/9C$ 439

Thu 6/117:44 p.m.ONT - YYZ

1 stop7h 36mMultiple Airlines

Wed 12/115:00 p.m.YYZ - ONT

2 stops31h 55mMultiple Airlines

Deal found 10/9C$ 443

Tue 7/108:00 a.m.ONT - YYZ

2 stops19h 12mMultiple Airlines

Wed 15/109:45 a.m.YYZ - ONT

1 stop13h 57mMultiple Airlines

Deal found 10/9C$ 448

Wed 29/104:49 p.m.ONT - YUL

2 stops15h 51mAmerican Airlines

Tue 4/112:29 p.m.YUL - ONT

2 stops21h 32mAmerican Airlines

Deal found 10/9C$ 718

Fri 24/104:49 p.m.ONT - YUL

2 stops15h 51mAmerican Airlines

Fri 31/1012:59 p.m.YUL - ONT

2 stops23h 20mAmerican Airlines

Deal found 10/9C$ 790

Fri 24/101:15 p.m.ONT - YUL

2 stops25h 11mUnited Airlines

Fri 31/106:15 p.m.YUL - ONT

1 stop31h 16mUnited Airlines

Deal found 10/9C$ 891

Best flights from Ontario to Ontario
Discover carefully curated flight deals from Ontario to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.

Wed 15/108:00 a.m.ONT - YYZ

1 stop8h 45mMultiple Airlines

Sun 19/106:30 a.m.YYZ - ONT

2 stops18h 25mMultiple Airlines

Deal found 11/9C$ 518

Mon 20/107:10 a.m.ONT - YYZ

2 stops28h 50mAlaska Airlines

Tue 28/104:45 p.m.YYZ - ONT

2 stops20h 13mAlaska Airlines

Deal found 11/9C$ 633

Mon 27/105:50 p.m.ONT - YYZ

2 stops26h 28mDelta

Tue 4/116:00 p.m.YYZ - ONT

2 stops26h 10mDelta

Deal found 10/9C$ 647

Wed 29/104:49 p.m.ONT - YUL

2 stops15h 51mAmerican Airlines

Tue 4/112:29 p.m.YUL - ONT

2 stops21h 32mAmerican Airlines

Deal found 10/9C$ 718

Fri 24/101:15 p.m.ONT - YUL

2 stops25h 11mUnited Airlines

Fri 31/106:15 p.m.YUL - ONT

1 stop31h 16mUnited Airlines

Deal found 10/9C$ 891

Fri 24/107:10 a.m.ONT - YYZ

2 stops28h 50mAlaska Airlines

Tue 28/104:45 p.m.YYZ - ONT

1 stop25h 32mAlaska Airlines

Deal found 11/9C$ 640

Fri 17/107:43 p.m.ONT - YYZ

1 stop16h 17mAlaska Airlines

Sat 25/104:45 p.m.YYZ - ONT

1 stop10h 18mAlaska Airlines

Deal found 10/9C$ 642

Mon 27/106:00 a.m.ONT - YYZ

1 stop30h 35mAlaska Airlines

Tue 4/114:45 p.m.YYZ - ONT

1 stop31h 08mAlaska Airlines

Deal found 10/9C$ 654

Wed 18/27:00 a.m.ONT - YUL

1 stop30h 01mUnited Airlines

Sat 21/21:10 p.m.YUL - ONT

1 stop12h 16mUnited Airlines

Deal found 9/9C$ 937

Thu 13/116:11 p.m.ONT - YYZ

1 stop18h 24mAlaska Airlines

Sun 16/114:45 p.m.YYZ - ONT

1 stop25h 32mAlaska Airlines

Deal found 9/9C$ 711

Wed 29/107:00 a.m.ONT - YUL

1 stop28h 00mUnited Airlines

Tue 4/117:00 a.m.YUL - ONT

2 stops14h 36mUnited Airlines

Deal found 10/9C$ 949

Sun 25/16:55 p.m.ONT - YOW

2 stops16h 49mMultiple Airlines

Thu 29/18:50 a.m.YOW - ONT

2 stops12h 27mMultiple Airlines

Deal found 10/9C$ 1,096

Last-minute flights from Ontario to Ontario
Discover last-minute flight deals from Ontario to Ontario. Data last updated 11 September 2025 and is based on user searches.

Tue 16/98:00 a.m.ONT - YYZ

2 stops29h 36mMultiple Airlines

Sat 20/910:10 a.m.YYZ - ONT

1 stop16h 03mMultiple Airlines

Deal found 10/9C$ 994

Tue 16/98:00 a.m.ONT - YYZ

2 stops29h 36mMultiple Airlines

Fri 19/99:45 a.m.YYZ - ONT

1 stop29h 58mMultiple Airlines

Deal found 10/9C$ 1,117

Tue 16/95:10 a.m.ONT - YYZ

2 stops15h 48mUnited Airlines

Sat 20/99:15 a.m.YYZ - ONT

2 stops16h 15mUnited Airlines

Deal found 10/9C$ 1,434

Tue 16/96:04 a.m.ONT - YYZ

2 stops11h 58mUnited Airlines

Fri 19/99:15 a.m.YYZ - ONT

2 stops15h 10mUnited Airlines

Deal found 10/9C$ 1,472

Thu 18/96:50 p.m.ONT - YUL

1 stop10h 26mUnited Airlines

Sat 27/96:15 a.m.YUL - ONT

1 stop14h 51mUnited Airlines

Deal found 11/9C$ 1,466

Fri 19/99:11 p.m.ONT - YYZ

1 stop20h 44mMultiple Airlines

Sun 21/99:50 a.m.YYZ - ONT

2 stops25h 03mMultiple Airlines

Deal found 10/9C$ 1,019

Fri 19/91:15 p.m.ONT - YYZ

2 stops17h 55mUnited Airlines

Sun 21/99:15 a.m.YYZ - ONT

2 stops16h 15mUnited Airlines

Deal found 10/9C$ 1,304

Fri 19/97:40 p.m.ONT - YYZ

1 stop16h 20mAlaska Airlines

Fri 10/104:45 p.m.YYZ - ONT

1 stop10h 18mAlaska Airlines

Deal found 10/9C$ 1,429

Fri 19/93:06 p.m.ONT - YYZ

1 stop20h 54mAlaska Airlines

Mon 29/94:45 p.m.YYZ - ONT

1 stop10h 18mAlaska Airlines

Deal found 10/9C$ 1,431

Sat 20/96:00 a.m.ONT - YYZ

1 stop30h 00mAlaska Airlines

Wed 24/94:45 p.m.YYZ - ONT

1 stop29h 02mAlaska Airlines

Deal found 10/9C$ 1,488

Sun 21/91:09 a.m.ONT - YYZ

3 stops32h 03mMultiple Airlines

Sat 27/910:10 a.m.YYZ - ONT

1 stop16h 03mMultiple Airlines

Deal found 10/9C$ 1,000

Sun 21/96:50 p.m.ONT - YUL

1 stop10h 26mUnited Airlines

Thu 25/99:45 a.m.YUL - ONT

2 stops10h 38mUnited Airlines

Deal found 11/9C$ 1,473

One-way flights from Ontario to Ontario
Search for one-way flight options from Ontario to Ontario. Find affordable one-way fares based on user searches. Data last updated 11 September 2025.

Sun 19/1010:40 p.m.ONT - YYZ

3 stops22h 51mMultiple Airlines

Deal found 10/9C$ 147

Wed 24/98:00 a.m.ONT - YYZ

1 stop8h 58mMultiple Airlines

Deal found 10/9C$ 148

Sat 11/108:00 a.m.ONT - YYZ

2 stops11h 52mMultiple Airlines

Deal found 10/9C$ 155

Thu 25/99:16 a.m.ONT - YYZ

1 stop7h 42mMultiple Airlines

Deal found 11/9C$ 159

Thu 11/126:30 a.m.ONT - YYZ

1 stop11h 02mMultiple Airlines

Deal found 11/9C$ 162

Thu 6/116:00 a.m.ONT - YYZ

1 stop11h 32mMultiple Airlines

Deal found 11/9C$ 169

Sat 25/108:00 a.m.ONT - YUL

3 stops28h 12mMultiple Airlines

Deal found 10/9C$ 231

Fri 31/108:02 a.m.ONT - YUL

2 stops26h 30mMultiple Airlines

Deal found 10/9C$ 234

Thu 25/99:16 a.m.ONT - YOW

2 stops12h 06mMultiple Airlines

Deal found 10/9C$ 236

Tue 21/107:43 p.m.ONT - YYZ

1 stop16h 17mAlaska Airlines

Deal found 10/9C$ 281

Sat 24/18:30 a.m.ONT - YOW

2 stops27h 14mMultiple Airlines

Deal found 10/9C$ 340

Wed 1/105:05 a.m.ONT - YOW

2 stops14h 00mUnited Airlines

Deal found 10/9C$ 371

Fly from

Fly to

Route

Depart

Return

Price

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 15/10

8:00 a.m.-7:45 p.m.

1 stop8h 45m

Toronto Pearson Intl

Sun 19/10

6:30 a.m.-9:55 p.m.

2 stops18h 25m

C$ 518

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$ 633

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.-3:17 p.m.

1 stop25h 32m

C$ 640

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 17/10

7:43 p.m.-3:00 p.m.

1 stop16h 17m

Toronto Pearson Intl

Sat 25/10

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

1 stop10h 18m

C$ 642

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 27/10

5:50 p.m.-11:18 p.m.

2 stops26h 28m

Toronto Pearson Intl

Tue 4/11

6:00 p.m.-5:10 p.m.

2 stops26h 10m

C$ 647

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Mon 27/10

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

1 stop30h 35m

Toronto Pearson Intl

Tue 4/11

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

1 stop31h 08m

C$ 654

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 13/11

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

1 stop18h 24m

Toronto Pearson Intl

Sun 16/11

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

1 stop25h 32m

C$ 711

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 29/10

4:49 p.m.-11:40 a.m.

2 stops15h 51m

Montreal Pierre Elliott Trudeau Intl

Tue 4/11

2:29 p.m.-9:01 a.m.

2 stops21h 32m

C$ 718

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 20/11

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

1 stop20h 24m

Toronto Pearson Intl

Tue 2/12

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

1 stop21h 34m

C$ 768

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 24/10

1:15 p.m.-5:26 p.m.

2 stops25h 11m

Montreal Pierre Elliott Trudeau Intl

Fri 31/10

6:15 p.m.-10:31 p.m.

1 stop31h 16m

C$ 891

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 53 results

...

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$ 168). 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?

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.

How much does it cost to fly round-trip from Ontario to Region of Ontario?

Reviews of airlines servicing Ontario

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

8,937 reviews

Check prices

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

8,937 reviews

United Airlines

7.4

Good

8,937 reviews

Check prices

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

8,937 reviews

Check prices

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

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$ 718, Alaska Airlines can have you in Region of Ontario from Ontario in 15h 51m. The distance from Ontario to Region of Ontario is about 3899 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$ 290), United Airlines (C$ 371), and American Airlines (C$ 387).
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$ 168). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Ontario

San Francisco to Vancouver Intl flights

Los Angeles to Vancouver Intl flights

Los Angeles to Pearson Intl flights

San Francisco to Pearson Intl flights

Los Angeles to Pierre Elliott Trudeau Intl flights

Los Angeles to Calgary flights

San Diego to Vancouver Intl flights

San Francisco to Pierre Elliott Trudeau Intl flights

Santa Ana to Vancouver Intl flights

San Francisco to Calgary flights

Ontario to Vancouver Intl flights

San Francisco to Abbotsford flights

San Jose to Vancouver Intl flights

Los Angeles to Abbotsford flights

Sacramento to Vancouver Intl flights

San Diego to Pearson Intl flights

Los Angeles to Toronto Island flights

San Jose to Pearson Intl flights

Santa Ana to Pearson Intl flights

Sacramento to Pearson Intl flights

Las Vegas to Pearson Intl flights

Las Vegas to Vancouver Intl flights

Palm Springs to Vancouver Intl flights

Ontario to Pearson Intl flights

Ontario to Calgary flights

San Francisco to Toronto Island flights

San Diego to Pierre Elliott Trudeau Intl flights

Ontario to Pierre Elliott Trudeau Intl flights

Los Angeles to Edmonton flights

Oakland to Vancouver Intl flights

San Diego to Calgary flights

San Diego to Abbotsford flights

San Francisco to Hamilton flights

Los Angeles to Hamilton flights

Los Angeles to Québec City flights

San Francisco to Edmonton flights

Palm Springs to Calgary flights

Las Vegas to Calgary flights

Oakland to Pearson Intl flights

San Francisco to Ottawa flights

Fresno to Pearson Intl flights

Santa Ana to Calgary flights

Sacramento to Calgary flights

Reno to Vancouver Intl flights

San Francisco to Québec City flights

San Jose to Calgary flights

Santa Rosa to Halifax flights

Burbank to Vancouver Intl flights

Complete your trip

Region of Ontario car rentals

Toronto Pearson Intl Airport car rentals

Ottawa Airport car rentals

Toronto Island Airport car rentals

Hamilton Airport car rentals

London Airport car rentals

Thunder Bay Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

Sault Ste Marie Airport car rentals

Timmins Airport car rentals

Kingston Airport car rentals

North Bay Airport car rentals

Direct flights to Canada

Top 2 airlines flying from Ontario to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 446	AverageC$ 725	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 447	AverageC$ 447	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Ontario today with Cheapflights!

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?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.

Cheap flights from Ontario to Ontario from C$ 147

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 11 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Ontario

Cheapest flights from Ontario to OntarioExplore 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 September 2025.

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 September 2025.

Cheapflights Fare Finder

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

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.

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?

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 11 September 2025.

How much does it cost to fly round-trip from Ontario to Region of Ontario?

Reviews of airlines servicing Ontario

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.

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?

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

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

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

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

How can I find direct flights from Ontario to Ontario?

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

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

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.

Top 2 airlines flying from Ontario to Ontario

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?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 September 2025.