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Ontario

$91+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YYZ
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/306:04 amONT - YYZ
1 stop13h 33mUnited Airlines
Wed 1/76:10 amYYZ - ONT
1 stop18h 48mUnited Airlines
Deal found 12/15$594
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Tue 12/302:45 pmONT - YYZ
1 stop21h 50mMultiple Airlines
Sun 1/410:15 pmYYZ - ONT
2 stops22h 00mMultiple Airlines
Deal found 12/15$597
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Thu 12/256:07 pmONT - YYZ
1 stop9h 13mMultiple Airlines
Mon 12/2910:15 pmYYZ - ONT
2 stops26h 02mMultiple Airlines
Deal found 12/16$664
This Trip.com deal was found by Cheapflights users on 12/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amONT - YYZ
2 stops14h 11mMultiple Airlines
Thu 1/19:45 amYYZ - ONT
1 stop9h 22mMultiple Airlines
Deal found 12/16$668
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/3111:59 pmONT - YYZ
1 stop6h 59mUnited Airlines
Sun 1/46:10 amYYZ - ONT
1 stop18h 42mUnited Airlines
Deal found 12/15$709
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:00 amONT - YYZ
1 stop7h 52mUnited Airlines
Thu 1/13:30 pmYYZ - ONT
1 stop9h 55mUnited Airlines
Deal found 12/16$720
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/3012:48 pmONT - YYZ
2 stops23h 47mAlaska Airlines
Wed 1/74:45 pmYYZ - ONT
1 stop21h 14mAlaska Airlines
Deal found 12/15$771
This Trip.com deal was found by Cheapflights users on 12/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:17 pmONT - YYZ
1 stop9h 30mMultiple Airlines
Tue 12/239:35 amYYZ - ONT
1 stop9h 15mMultiple Airlines
Deal found 12/15$802
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/295:05 amONT - YYZ
1 stop10h 30mUnited Airlines
Fri 1/28:30 amYYZ - ONT
1 stop7h 08mUnited Airlines
Deal found 12/15$823
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/246:00 amONT - YUL
2 stops14h 59mDelta
Mon 12/2912:37 pmYUL - ONT
1 stop13h 46mDelta
Deal found 12/16$1,087
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:04 amONT - YUL
1 stop7h 46mUnited Airlines
Sat 1/36:00 amYUL - ONT
1 stop19h 25mUnited Airlines
Deal found 12/16$1,110
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/1610:34 pmONT - YUL
1 stop12h 15mAmerican Airlines
Sat 12/204:00 pmYUL - ONT
1 stop9h 14mAmerican Airlines
Deal found 12/16$1,126

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 December 16, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$236
(Kiwi.com)

One-way from

$91
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$472
Provider with most accurate pricing for Los Angeles-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Toronto (YTO) flights.
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From Ontario to Ontario
Search Deals
One-way flight from Ontario to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 2,558,603 searches. Data last updated December 16, 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

Tue 1/20

7:56 pm-3:35 pm

2 stops16h 39m

Toronto Pearson Intl

Tue 1/27

4:45 pm-7:16 pm

2 stops29h 31m

$372

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 1/13

5:59 pm-3:35 pm

2 stops18h 36m

Toronto Pearson Intl

Tue 1/20

4:45 pm-7:16 pm

2 stops29h 31m

$372

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 1/30

1:46 pm-3:35 pm

2 stops22h 49m

Toronto Pearson Intl

Fri 2/6

4:45 pm-7:16 pm

2 stops29h 31m

$394

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 1/30

11:53 am-3:35 pm

1 stop24h 42m

Toronto Pearson Intl

Mon 2/9

4:45 pm-3:08 pm

1 stop25h 23m

$398

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Fri 1/30

6:00 am-3:35 pm

1 stop30h 35m

Toronto Pearson Intl

Tue 2/10

4:45 pm-5:03 pm

2 stops27h 18m

$398

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Tue 1/27

4:03 pm-3:35 pm

1 stop20h 32m

Toronto Pearson Intl

Sun 2/8

4:45 pm-10:59 am

1 stop21h 14m

$398

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Wed 1/28

4:03 pm-3:35 pm

1 stop20h 32m

Toronto Pearson Intl

Tue 2/10

4:45 pm-1:06 pm

2 stops23h 21m

$407

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Sun 2/1

6:00 am-3:35 pm

1 stop30h 35m

Toronto Pearson Intl

Tue 2/10

4:45 pm-1:06 pm

2 stops23h 21m

$407

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 1/29

4:03 pm-3:35 pm

1 stop20h 32m

Toronto Pearson Intl

Tue 2/10

4:45 pm-5:03 pm

2 stops27h 18m

$407

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

Thu 1/29

4:03 pm-3:35 pm

1 stop20h 32m

Toronto Pearson Intl

Sun 2/8

4:45 pm-1:06 pm

2 stops23h 21m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 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, June is the cheapest month in which you can book a flight from Ontario to Region of Ontario (average of $74). Flying from Ontario to Region of Ontario in November is currently the most expensive (average of $150). 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 December 16, 2025.

It’s typically best to fly out from Ontario to Region of Ontario in the evening. Doing so could potentially save you 48% on the flight price compared to flying in the morning, which is usually more expensive.

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

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 December 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Ontario to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,009 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,009 reviews
Delta
7.9
Good
8,009 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
9,094 reviews
Delta
7.9
Good
8,009 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
11,047 reviews
Delta
7.9
Good
8,009 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
10,530 reviews
Delta
7.9
Good
8,009 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Alaska Airlines, American Airlines, and Delta can get you from Ontario to Region of Ontario in just under 13h 22m. Your travel time can differ by up to 3h 41m. The distance from Ontario to Region of Ontario is about 2423 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $141. However, be on the lookout for offers from American Airlines and Delta, 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, June is the cheapest month in which you can book a flight from Ontario to Region of Ontario (average of $74). Flying from Ontario to Region of Ontario in November is currently the most expensive (average of $150). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Ontario

Discover the top 3 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$105Average$588FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$279Average$522FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$458Average$742FlexibilityNo cancel feeOn-time71%

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