HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$155+ Cheap flights from Ontario (ONT) to Ontario

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YYZ
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 junio 12, 2025.

Round-trip from

$347
(Kiwi.com)

One-way from

$155
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$318
From Ontario to Ontario
Search Deals
One-way flight from Ontario to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 junio 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
mié. 10/2912:47 pmONT - YYZ
1 stop7h 29mMultiple Airlines
jue. 11/61:30 pmYYZ - ONT
2 stops21h 07mMultiple Airlines
Deal found 6/12$347
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/212:22 pmONT - YUL
2 stops20h 23mAmerican Airlines
mié. 9/33:44 pmYUL - ONT
2 stops23h 12mAmerican Airlines
Deal found 6/10$365
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/33:04 pmONT - YYZ
1 stop20h 56mAlaska Airlines
mar. 9/304:45 pmYYZ - ONT
1 stop28h 43mAlaska Airlines
Deal found 6/10$457
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2210:59 pmONT - YYZ
2 stops16h 08mDelta
mié. 10/17:59 amYYZ - ONT
2 stops14h 43mDelta
Deal found 6/11$490
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/136:17 amONT - YYZ
2 stops13h 28mAmerican Airlines
sáb. 8/166:49 amYYZ - ONT
2 stops12h 35mAmerican Airlines
Deal found 6/9$510
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/1510:05 pmONT - YUL
2 stops20h 23mDelta
mié. 7/236:00 amYUL - ONT
2 stops19h 27mDelta
Deal found 6/12$517
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/146:31 pmONT - YOW
2 stops19h 12mUnited Airlines
lun. 8/185:25 pmYOW - ONT
2 stops22h 07mUnited Airlines
Deal found 6/11$596
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/26:50 pmONT - YUL
2 stops17h 36mUnited Airlines
mié. 9/36:30 pmYUL - ONT
1 stop20h 43mUnited Airlines
Deal found 6/10$620
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/46:39 pmONT - YTZ
2 stops14h 07mAir Canada
lun. 8/1812:25 pmYTZ - ONT
2 stops13h 27mAir Canada
Deal found 6/10$686
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/286:00 amONT - YUL
1 stop11h 05mMultiple Airlines
mar. 9/28:05 amYUL - ONT
1 stop15h 28mMultiple Airlines
Deal found 6/10$710
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/46:00 amONT - YTZ
3 stops26h 46mMultiple Airlines
lun. 8/1812:25 pmYTZ - ONT
2 stops11h 29mMultiple Airlines
Deal found 6/10$735
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/296:38 pmONT - YUL
2 stops16h 14mAir Canada
sáb. 8/304:05 pmYUL - ONT
1 stop7h 38mAir Canada
Deal found 6/10$737

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 2,558,603 searches. Data last updated junio 12, 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

mié. 7/23

7:22 pm-7:59 pm

1 stop21h 37m

Toronto Pearson Intl

mié. 7/30

11:00 am-9:52 pm

2 stops13h 52m

$356

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

mar. 9/2

12:22 pm-11:45 am

2 stops20h 23m

Montreal Pierre Elliott Trudeau Intl

mié. 9/3

3:44 pm-11:56 am

2 stops23h 12m

$365

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

mié. 9/3

3:04 pm-3:00 pm

1 stop20h 56m

Toronto Pearson Intl

mar. 9/30

4:45 pm-6:28 pm

1 stop28h 43m

$457

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

mié. 8/13

6:17 am-10:45 pm

2 stops13h 28m

Toronto Pearson Intl

sáb. 8/16

6:49 am-4:24 pm

2 stops12h 35m

$510

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

mar. 7/15

10:05 pm-9:28 pm

2 stops20h 23m

Montreal Pierre Elliott Trudeau Intl

mié. 7/23

6:00 am-10:27 pm

2 stops19h 27m

$517

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

jue. 8/14

6:31 pm-4:43 pm

2 stops19h 12m

Ottawa

lun. 8/18

5:25 pm-12:32 pm

2 stops22h 07m

$596

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

mar. 9/2

6:50 pm-3:26 pm

2 stops17h 36m

Montreal Pierre Elliott Trudeau Intl

mié. 9/3

6:30 pm-12:13 pm

1 stop20h 43m

$620

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

vie. 7/18

5:09 pm-11:16 am

2 stops15h 07m

Toronto Pearson Intl

mar. 7/29

7:45 am-5:16 pm

2 stops12h 31m

$649

OntarioToronto

ONT - YTZ

ONTYTZ

Ontario

lun. 8/4

6:39 pm-11:46 am

2 stops14h 07m

Toronto Island

lun. 8/18

12:25 pm-10:52 pm

2 stops13h 27m

$686

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

jue. 8/28

6:00 am-8:05 pm

1 stop11h 05m

Montreal Pierre Elliott Trudeau Intl

mar. 9/2

8:05 am-8:33 pm

1 stop15h 28m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 37 results
1
2
3
4

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 $243). Flying from Ontario to Region of Ontario in July is currently the most expensive (average of $353). 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 junio 12, 2025.

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

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 junio 12, 2025.
To help decide which airline to fly from Ontario to Ontario, see what other customers have to say about Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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?

    If you book a flight to Ontario from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $206. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Ontario to Region of Ontario for a low price.

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

    When deciding which route to take from Ontario to Region of Ontario consider Ontario - Toronto Pearson Intl, Ontario - Montreal Pierre Elliott Trudeau Intl or Ontario - Ottawa 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 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 $243). Flying from Ontario to Region of Ontario in July is currently the most expensive (average of $353). 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.
Los Angeles to Vancouver Intl flights
Los Angeles to Pearson Intl flights
San Francisco to Vancouver Intl flights
San Francisco to Pearson Intl flights
San Francisco to Calgary flights
Los Angeles to Calgary flights
Los Angeles to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Los Angeles to Abbotsford flights
San Diego to Vancouver Intl flights
Santa Ana to Vancouver Intl flights
San Francisco to Abbotsford flights
Ontario to Vancouver Intl flights
Sacramento to Vancouver Intl flights
Los Angeles to Toronto Island flights
Las Vegas to Vancouver Intl flights
Ontario to Pearson Intl flights
San Diego to Calgary flights
San Diego to Pearson Intl flights
San Francisco to Region of Waterloo Intl flights
San Francisco to Toronto Island flights
San Jose to Vancouver Intl flights
San Francisco to Hamilton flights
Los Angeles to Region of Waterloo Intl flights
Los Angeles to Edmonton flights
San Jose to Pearson Intl flights
San Francisco to Edmonton flights
Las Vegas to Pearson Intl flights
Oakland to Vancouver Intl flights
Santa Ana to Pearson Intl flights
Los Angeles to Hamilton flights
Santa Ana to Calgary flights
San Jose to Calgary flights
Ontario to Calgary flights
San Diego to Pierre Elliott Trudeau Intl flights
Palm Springs to Vancouver Intl flights
San Diego to Abbotsford flights
Las Vegas to Abbotsford flights
Las Vegas to Calgary flights
Sacramento to Pearson Intl flights
Burbank to Vancouver Intl flights
Oakland to Pearson Intl flights
Ontario to Pierre Elliott Trudeau Intl flights
Santa Ana to Hamilton flights
San Francisco to Ottawa flights
Los Angeles to Québec City flights
Fresno to Vancouver Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
San Francisco to Québec City flights
San Francisco to Victoria flights

Top 4 airlines flying from Ontario to Ontario

Discover the top 4 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 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$131Average$475FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$144Average$368FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$338Average$561FlexibilityNo cancel feeOn-time71%
DeltaCheapest$338Average$390FlexibilityNo cancel feeOn-timeN/A

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.