HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$91+ Cheap flights from Los Angeles (LAX) 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Los Angeles 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 Los Angeles to Ontario

Keep the following information in mind while searching for Los Angeles to Ontario flight deals. Data was last updated July 30, 2025.

Round-trip from

$170
(Mytrip)

One-way from

$91
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$342

Good round-trip deal

$277 or less

Good one-way deal

$147 or less
From Los Angeles to Ontario
Search Deals
One-way flight from Los Angeles to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Los Angeles to Ontario.
Search Deals
Price to beat on a one-way flight from Los Angeles to Ontario.
Search Deals

Find flight deals from Los Angeles to Ontario

Cheapest flights from Los Angeles to Ontario
Explore the most affordable flight options available from Los Angeles to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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.
Sun 9/1411:10 pmLAX - YYZ
Nonstop4h 49mMultiple Airlines
Wed 9/1710:40 amYYZ - LAX
Nonstop5h 20mMultiple Airlines
Deal found 7/29$170
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Tue 11/1811:50 amLAX - YYZ
1 stop9h 48mWestJet
Sun 11/307:45 amYYZ - LAX
2 stops13h 47mWestJet
Deal found 7/28$174
This Flightnetwork deal was found by Cheapflights users on 7/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/610:30 pmLAX - YYZ
1 stop9h 09mAir Canada
Sat 9/136:35 pmYYZ - LAX
Nonstop5h 18mAir Canada
Deal found 7/29$178
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Wed 11/191:40 pmLAX - YYZ
Nonstop4h 42mPorter Airlines
Tue 12/210:00 amYYZ - LAX
Nonstop5h 39mPorter Airlines
Deal found 7/28$198
This Flightnetwork deal was found by Cheapflights users on 7/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/610:30 pmLAX - YTZ
1 stop10h 15mAir Canada
Sat 9/133:25 pmYTZ - LAX
1 stop9h 10mAir Canada
Deal found 7/29$202
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:40 amLAX - YHM
1 stop10h 01mWestJet
Mon 9/16:00 amYHM - LAX
2 stops32h 43mWestJet
Deal found 7/30$232
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:40 amLAX - YKF
1 stop10h 06mWestJet
Sun 8/316:00 amYKF - LAX
1 stop18h 47mWestJet
Deal found 7/29$239
This Flightnetwork deal was found by Cheapflights users on 7/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/262:00 pmLAX - YOW
1 stop7h 21mMultiple Airlines
Tue 9/25:15 amYOW - LAX
1 stop10h 13mMultiple Airlines
Deal found 7/29$249
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Mon 8/1811:30 amLAX - YKF
1 stop16h 40mMultiple Airlines
Mon 8/256:00 amYKF - LAX
1 stop11h 12mMultiple Airlines
Deal found 7/29$270
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Mon 8/257:00 amLAX - YOW
1 stop8h 21mWestJet
Mon 9/15:15 pmYOW - LAX
2 stops21h 28mWestJet
Deal found 7/28$276
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/282:00 pmLAX - YUL
1 stop7h 37mMultiple Airlines
Thu 9/46:45 amYUL - LAX
2 stops13h 31mMultiple Airlines
Deal found 7/29$278
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Wed 10/152:00 pmLAX - YUL
1 stop7h 37mPorter Airlines
Tue 10/216:45 amYUL - LAX
1 stop9h 15mPorter Airlines
Deal found 7/28$282

Cheapflights Fare Finder

 
Customize your flight search to find flights from Los Angeles 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 July 30, 2025.
Use the filters below to find and compare flights from Los Angeles to Ontario that are best for you.

Fly from

Los Angeles

Fly to

Ontario

Route

Depart

Return

Price

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sun 9/14

11:10 pm-6:59 am

Nonstop4h 49m

Toronto Pearson Intl

Wed 9/17

10:40 am-1:00 pm

Nonstop5h 20m

$170

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Mon 8/25

6:05 pm-6:12 am

1 stop9h 07m

Toronto Pearson Intl

Thu 10/30

9:40 am-6:32 pm

2 stops11h 52m

$177

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 9/6

10:30 pm-10:39 am

1 stop9h 09m

Toronto Pearson Intl

Sat 9/13

6:35 pm-8:53 pm

Nonstop5h 18m

$178

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Sat 9/6

10:30 pm-11:45 am

1 stop10h 15m

Toronto Island

Sat 9/13

3:25 pm-9:35 pm

1 stop9h 10m

$202

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 8/21

2:00 pm-9:57 pm

Nonstop4h 57m

Toronto Pearson Intl

Thu 8/28

10:40 am-1:00 pm

Nonstop5h 20m

$203

Los AngelesHamilton

LAX - YHM

LAXYHM

Los Angeles

Wed 8/27

11:40 am-12:41 am

1 stop10h 01m

Hamilton

Mon 9/1

6:00 am-11:43 am

2 stops32h 43m

$232

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Wed 8/27

11:40 am-12:46 am

1 stop10h 06m

Toronto Region of Waterloo Intl

Sun 8/31

6:00 am-9:47 pm

1 stop18h 47m

$239

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Tue 8/26

2:00 pm-12:21 am

1 stop7h 21m

Ottawa

Tue 9/2

5:15 am-12:28 pm

1 stop10h 13m

$249

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Mon 8/18

11:30 am-7:10 am

1 stop16h 40m

Toronto Region of Waterloo Intl

Mon 8/25

6:00 am-2:12 pm

1 stop11h 12m

$270

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Mon 8/25

7:00 am-6:21 pm

1 stop8h 21m

Ottawa

Mon 9/1

5:15 pm-11:43 am

2 stops21h 28m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Los Angeles to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Los Angeles 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 Los Angeles to Ontario

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

Currently, January is the cheapest month in which you can book a flight from Los Angeles to Region of Ontario (average of $243). Flying from Los Angeles to Region of Ontario in August is currently the most expensive (average of $348). 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 LAX to ON?

Find hourly flight availability from Los Angeles 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 July 30, 2025.

When flying from Los Angeles 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.

Weekly flight availability from Los Angeles to Region of Ontario

Explore weekly flight availability from Los Angeles to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2025.

The most flights from LAX to CAON are scheduled on a Tuesday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).

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 July 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Porter Airlines, and Delta from Los Angeles to Ontario. 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

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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.
Porter Airlines
8.0
Very good
318 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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.
Air Transat
7.7
Good
424 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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 Los Angeles 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 Los Angeles to Ontario?

    If you book a flight to Ontario from Los Angeles, you will be flying from Los Angeles, which is the city’s only airport. Los Angeles (LAX) is located 9.4 mi from the center of Los Angeles.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $91. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Los Angeles to Region of Ontario for a low price.

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

    While some choose either Los Angeles - Montreal Pierre Elliott Trudeau Intl or Los Angeles - Toronto Island, Los Angeles - Toronto Pearson Intl is the most popular route from Los Angeles to Region of Ontario.

  • What are the most reliable airlines from Los Angeles to Region of Ontario?

    Before booking your flight to Region of Ontario from Los Angeles, check out the most reliable airlines to get you to your destination on time: Porter Airlines (95%), Air Transat (95%), Brussels Airlines( 91%).

  • What are the cheapest flights from Los Angeles to Region of Ontario?

    While on average a flight from Los Angeles to Region of Ontario is generally $1,199, our data shows the cheapest flight currently is $88. When looking at the most popular route, (Los Angeles - Toronto Pearson Intl), you can expect to pay $170 for that flight.

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

    Yes. In addition to deals on Los Angeles to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to Ontario.

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

    Yes. Cheapflights offers flight deals from Los Angeles 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 Los Angeles to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Los Angeles to Region of Ontario (average of $243). Flying from Los Angeles to Region of Ontario in August is currently the most expensive (average of $348). 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 Los Angeles to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Vancouver Intl flights
Los Angeles to Vancouver Intl flights
Los Angeles to Pearson Intl flights
San Francisco to Pearson Intl flights
San Francisco to Calgary flights
Los Angeles to Calgary flights
San Francisco to Pierre Elliott Trudeau Intl flights
San Francisco to Abbotsford flights
Santa Ana to Vancouver Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Ontario to Vancouver Intl flights
Los Angeles to Abbotsford flights
San Diego to Vancouver Intl flights
Las Vegas to Vancouver Intl flights
Los Angeles to Toronto Island flights
San Jose to Vancouver Intl flights
Sacramento to Vancouver Intl flights
San Diego to Pearson Intl flights
San Diego to Calgary flights
Ontario to Pearson Intl flights
Oakland to Vancouver Intl flights
San Diego to Pierre Elliott Trudeau Intl flights
San Francisco to Toronto Island flights
San Jose to Pearson Intl flights
San Francisco to Hamilton flights
Sacramento to Pearson Intl flights
San Francisco to Region of Waterloo Intl flights
Las Vegas to Pearson Intl flights
Los Angeles to Edmonton flights
Ontario to Calgary flights
San Jose to Calgary flights
Oakland to Pearson Intl flights
Oakland to Calgary flights
San Francisco to Edmonton flights
Las Vegas to Calgary flights
Los Angeles to Hamilton flights
Santa Ana to Calgary flights
Las Vegas to Abbotsford flights
Los Angeles to Region of Waterloo Intl flights
Burbank to Vancouver Intl flights
Santa Ana to Pearson Intl flights
San Diego to Abbotsford flights
Palm Springs to Vancouver Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
Sacramento to Calgary flights
San Francisco to St. John's flights
San Francisco to Ottawa flights
Santa Ana to Hamilton flights
Los Angeles to Québec City flights
Ontario to Winnipeg flights

Top 7 airlines flying from Los Angeles to Ontario

Discover the top 7 airlines that operate flights from Los Angeles 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$118Average$332FlexibilityNo cancel feeOn-time52%
WestJetCheapest$120Average$280FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$130Average$463FlexibilityNo cancel feeOn-time67%
DeltaCheapest$131Average$384FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$144Average$368FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$180Average$414FlexibilityNo cancel feeOn-time71%
Air TransatCheapest$186Average$366FlexibilityNo cancel feeOn-time50%

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.