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Ontario

$172+ Cheap flights from Ontario to Ontario (ONT)

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ONT
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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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 August 1, 2025.

Round-trip from

$308
(Kiwi.com)

One-way from

$172
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$324
From Ontario to Ontario
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One-way flight from Ontario to Ontario
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Highest demand for flights based on searches. 10% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/189:30 amYYZ - ONT
1 stop14h 26mMultiple Airlines
Wed 9/248:00 amONT - YYZ
1 stop8h 45mMultiple Airlines
Deal found 8/1$308
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 10/144:45 pmYYZ - ONT
1 stop10h 18mAlaska Airlines
Sat 10/181:31 pmONT - YYZ
1 stop22h 29mAlaska Airlines
Deal found 7/31$408
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 8/276:49 amYYZ - ONT
2 stops12h 35mAmerican Airlines
Wed 9/36:10 amONT - YYZ
2 stops13h 19mAmerican Airlines
Deal found 7/30$453
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Mon 9/153:44 pmYUL - ONT
1 stop21h 19mAmerican Airlines
Mon 9/224:45 pmONT - YUL
2 stops17h 55mAmerican Airlines
Deal found 8/1$525
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/135:15 amYOW - ONT
2 stops15h 22mUnited Airlines
Sat 9/201:42 pmONT - YOW
2 stops19h 03mUnited Airlines
Deal found 7/30$555
This Air Canada deal was found by Cheapflights users on 8/1. 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.
Mon 9/158:05 amYUL - ONT
1 stop15h 28mMultiple Airlines
Mon 9/226:00 amONT - YUL
1 stop11h 05mMultiple Airlines
Deal found 8/1$579
This Delta deal was found by Cheapflights users on 8/1. 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.
Thu 9/117:00 amYUL - ONT
2 stops15h 15mDelta
Thu 9/1810:00 pmONT - YUL
1 stop10h 34mDelta
Deal found 8/1$605
This SmartFares deal was found by Cheapflights users on 7/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:00 amYXU - ONT
2 stops15h 28mMultiple Airlines
Tue 8/263:04 pmONT - YXU
2 stops11h 10mMultiple Airlines
Deal found 7/30$609
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 8/293:40 pmYXU - ONT
2 stops23h 33mUnited Airlines
Fri 9/51:15 pmONT - YXU
2 stops23h 02mUnited Airlines
Deal found 7/31$612
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 9/149:45 amYUL - ONT
1 stop15h 45mUnited Airlines
Wed 9/177:00 amONT - YUL
2 stops12h 06mUnited Airlines
Deal found 7/31$623
This Air Canada deal was found by Cheapflights users on 7/31. 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.
Thu 9/119:55 amYQG - ONT
2 stops15h 35mMultiple Airlines
Thu 9/181:42 pmONT - YQG
2 stops16h 40mMultiple Airlines
Deal found 7/31$704
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:00 amYUL - ONT
2 stops13h 10mWestJet
Sun 10/196:37 amONT - YUL
2 stops15h 04mWestJet
Deal found 7/31$729

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 August 1, 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

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 9/18

9:30 am-8:56 pm

1 stop14h 26m

Ontario

Wed 9/24

8:00 am-7:45 pm

1 stop8h 45m

$308

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 10/14

4:45 pm-12:03 am

1 stop10h 18m

Ontario

Sat 10/18

1:31 pm-3:00 pm

1 stop22h 29m

$408

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Wed 8/27

6:49 am-4:24 pm

2 stops12h 35m

Ontario

Wed 9/3

6:10 am-10:29 pm

2 stops13h 19m

$453

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 9/15

3:44 pm-10:03 am

1 stop21h 19m

Ontario

Mon 9/22

4:45 pm-1:40 pm

2 stops17h 55m

$525

OttawaOntario

YOW - ONT

YOWONT

Ottawa

Sat 9/13

5:15 am-5:37 pm

2 stops15h 22m

Ontario

Sat 9/20

1:42 pm-11:45 am

2 stops19h 03m

$555

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 9/15

8:05 am-8:33 pm

1 stop15h 28m

Ontario

Mon 9/22

6:00 am-8:05 pm

1 stop11h 05m

$579

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 9/11

7:00 am-7:15 pm

2 stops15h 15m

Ontario

Thu 9/18

10:00 pm-11:34 am

1 stop10h 34m

$605

LondonOntario

YXU - ONT

YXUONT

London

Fri 8/22

6:00 am-6:28 pm

2 stops15h 28m

Ontario

Tue 8/26

3:04 pm-5:14 am

2 stops11h 10m

$609

LondonOntario

YXU - ONT

YXUONT

London

Fri 8/29

3:40 pm-12:13 pm

2 stops23h 33m

Ontario

Fri 9/5

1:15 pm-3:17 pm

2 stops23h 02m

$612

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sun 9/14

9:45 am-10:30 pm

1 stop15h 45m

Ontario

Wed 9/17

7:00 am-10:06 pm

2 stops12h 06m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 36 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 Region of Ontario to Ontario?

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Ontario (average of $246). Flying from Region of Ontario to Ontario in March is currently the most expensive (average of $328). 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 ON to ONT?

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 August 1, 2025.

When flying from Region of Ontario to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United Airlines from Ontario to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 3.1 mi from the city center, is the airport you fly into when you book flights from Ontario to Ontario.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $229. Users have also found prices from $261 and $267 on Delta and American Airlines, respectively.

  • 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, August is the cheapest month in which you can book a flight from Region of Ontario to Ontario (average of $246). Flying from Region of Ontario to Ontario in March is currently the most expensive (average of $328). 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 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 2,558,603 searches. Data last updated August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$274Average$467FlexibilityNo cancel feeOn-time69%
DeltaCheapest$294Average$357FlexibilityNo cancel feeOn-timeN/A

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