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Ontario

$142+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YYZ
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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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 octubre 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
vie. 12/52:05 pmONT - YYZ
2 stops45h 08mMultiple Airlines
vie. 12/129:35 amYYZ - ONT
1 stop14h 42mMultiple Airlines
Deal found 10/28$295
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
sáb. 12/66:15 amONT - YYZ
1 stop10h 40mMultiple Airlines
sáb. 12/139:35 amYYZ - ONT
1 stop14h 42mMultiple Airlines
Deal found 10/30$303
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
sáb. 12/66:15 amONT - YYZ
1 stop21h 05mMultiple Airlines
lun. 12/81:30 pmYYZ - ONT
2 stops34h 47mMultiple Airlines
Deal found 10/30$306
This Kiwi.com deal was found by Cheapflights users on 10/28. 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. 11/265:06 pmONT - YYZ
1 stop26h 54mMultiple Airlines
mié. 12/39:35 amYYZ - ONT
1 stop14h 42mMultiple Airlines
Deal found 10/28$322
This American Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/84:47 pmONT - YUL
2 stops19h 23mAmerican Airlines
dom. 12/147:14 amYUL - ONT
2 stops17h 46mAmerican Airlines
Deal found 10/30$712
This Delta deal was found by Cheapflights users on 10/30. 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. 12/86:00 amONT - YUL
2 stops14h 32mDelta
dom. 12/1412:40 pmYUL - ONT
1 stop13h 24mDelta
Deal found 10/30$735
This Delta deal was found by Cheapflights users on 10/29. 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.
mié. 12/246:00 amONT - YUL
2 stops14h 59mDelta
mié. 12/317:00 amYUL - ONT
2 stops18h 33mDelta
Deal found 10/29$736
This Delta deal was found by Cheapflights users on 10/30. 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.
vie. 11/711:36 amONT - YUL
2 stops18h 01mDelta
dom. 11/97:35 pmYUL - ONT
2 stops18h 31mDelta
Deal found 10/30$768
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/66:40 amONT - YTZ
3 stops24h 02mMultiple Airlines
sáb. 12/1310:25 amYTZ - ONT
3 stops33h 42mMultiple Airlines
Deal found 10/29$793
This Gotogate deal was found by Cheapflights users on 10/29. 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.
jue. 11/205:05 amONT - YUL
1 stop8h 53mAir Canada
mié. 11/2612:10 pmYUL - ONT
2 stops11h 34mAir Canada
Deal found 10/29$800
This Delta deal was found by Cheapflights users on 10/30. 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.
mié. 12/246:00 amONT - YUL
2 stops14h 59mDelta
mar. 12/3012:50 pmYUL - ONT
2 stops14h 04mDelta
Deal found 10/30$805
This United Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/86:00 amONT - YUL
2 stops22h 32mUnited Airlines
dom. 12/148:00 pmYUL - ONT
3 stops29h 49mUnited Airlines
Deal found 10/30$806

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 octubre 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$295
(Kiwi.com)

One-way from

$142
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$305
Provider with most accurate pricing for Los Angeles-Toronto (YTO) flight deals.
Search Deals
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. 15% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 octubre 30, 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

jue. 12/25

6:07 pm-6:47 am

1 stop9h 40m

Toronto Pearson Intl

mar. 12/30

6:30 pm-5:15 pm

2 stops25h 45m

$456

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

sáb. 12/6

1:26 pm-3:35 pm

2 stops23h 09m

Toronto Pearson Intl

sáb. 12/13

4:45 pm-8:03 pm

2 stops30h 18m

$458

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

jue. 1/8

5:59 pm-3:35 pm

2 stops18h 36m

Toronto Pearson Intl

lun. 1/12

4:45 pm-5:05 pm

2 stops27h 20m

$468

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

vie. 12/5

7:10 am-3:35 pm

2 stops29h 25m

Toronto Pearson Intl

vie. 12/12

4:45 pm-11:19 am

1 stop21h 34m

$483

OntarioToronto

ONT - YYZ

ONTYYZ

Ontario

sáb. 12/6

5:49 pm-11:25 am

2 stops14h 36m

Toronto Pearson Intl

sáb. 12/13

10:05 am-10:47 pm

2 stops15h 42m

$519

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

sáb. 2/21

10:30 pm-6:49 pm

2 stops17h 19m

Montreal Pierre Elliott Trudeau Intl

mar. 2/24

9:28 am-9:14 pm

2 stops14h 46m

$617

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

lun. 12/8

4:47 pm-3:10 pm

2 stops19h 23m

Montreal Pierre Elliott Trudeau Intl

dom. 12/14

7:14 am-10:00 pm

2 stops17h 46m

$712

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

mié. 12/24

6:00 am-11:59 pm

2 stops14h 59m

Montreal Pierre Elliott Trudeau Intl

mié. 12/31

7:00 am-10:33 pm

2 stops18h 33m

$736

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

mié. 2/18

6:37 pm-4:49 pm

1 stop19h 12m

Montreal Pierre Elliott Trudeau Intl

sáb. 2/21

9:25 am-8:50 pm

2 stops14h 25m

$783

OntarioToronto

ONT - YTZ

ONTYTZ

Ontario

sáb. 12/6

6:40 am-9:42 am

3 stops24h 02m

Toronto Island

sáb. 12/13

10:25 am-5:07 pm

3 stops33h 42m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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, 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 January is currently the most expensive (average of $141). 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 octubre 30, 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.

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 octubre 30, 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
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

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
7,993 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

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
8,998 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

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
11,030 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

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
10,376 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

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, Delta, and American Airlines can get you from Ontario to Region of Ontario in just under 17h 19m. Your travel time can differ by up to 5h 50m. 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 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 January is currently the most expensive (average of $141). 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 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$105Average$477FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$279Average$371FlexibilityNo cancel feeOn-time67%
DeltaCheapest$329Average$413FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$458Average$742FlexibilityNo cancel feeOn-time71%

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