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$65+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$142
(Kiwi.com)

One-way from

$65
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$334

Good round-trip deal

$211 or less

Good one-way deal

$115 or less
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 Los Angeles to Ontario
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One-way flight from Los Angeles to Ontario
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Highest demand for flights based on searches. 8% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Los Angeles to Ontario.
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Price to beat on a one-way flight from Los Angeles to Ontario.
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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 April 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/14. 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 7/23:00 pmLAX - YYZ
2 stops11h 51mWestJet
Thu 7/101:30 pmYYZ - LAX
1 stop11h 17mWestJet
Deal found 4/14$142
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Thu 6/511:40 amLAX - YYZ
1 stop9h 44mMultiple Airlines
Sun 6/1510:40 amYYZ - LAX
Nonstop5h 25mMultiple Airlines
Deal found 4/15$147
This Trip.com deal was found by Cheapflights users on 4/15. 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.
Tue 6/1012:35 pmLAX - YOW
2 stops13h 50mWestJet
Fri 6/136:10 amYOW - LAX
2 stops14h 07mWestJet
Deal found 4/15$179
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/712:35 pmLAX - YOW
2 stops15h 10mMultiple Airlines
Sun 5/187:00 amYOW - LAX
1 stop8h 10mMultiple Airlines
Deal found 4/14$180
This Flightnetwork deal was found by Cheapflights users on 4/14. 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.
Thu 5/110:20 pmLAX - YTZ
1 stop10h 27mAir Canada
Sun 5/45:25 pmYTZ - LAX
1 stop8h 34mAir Canada
Deal found 4/14$181
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/301:10 pmLAX - YUL
1 stop8h 27mMultiple Airlines
Wed 6/117:00 amYUL - LAX
1 stop10h 12mMultiple Airlines
Deal found 4/15$188
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/301:10 pmLAX - YUL
1 stop8h 27mPorter Airlines
Mon 6/96:45 amYUL - LAX
1 stop9h 20mPorter Airlines
Deal found 4/15$193
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/303:40 pmLAX - YYZ
Nonstop4h 51mUnited Airlines
Sat 6/78:30 amYYZ - LAX
Nonstop5h 11mUnited Airlines
Deal found 4/14$199
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Sat 5/310:23 amLAX - YKF
2 stops11h 23mMultiple Airlines
Mon 5/126:00 amYKF - LAX
2 stops30h 56mMultiple Airlines
Deal found 4/14$201
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Wed 6/47:00 amLAX - YUL
2 stops14h 37mWestJet
Tue 6/107:00 amYUL - LAX
1 stop10h 12mWestJet
Deal found 4/15$202
This Air Canada deal was found by Cheapflights users on 4/14. 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.
Wed 4/3011:59 pmLAX - YYZ
1 stop8h 50mAir Canada
Fri 5/26:35 pmYYZ - LAX
Nonstop5h 24mAir Canada
Deal found 4/14$202
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/91:10 pmLAX - YYZ
Nonstop4h 53mPorter Airlines
Mon 5/129:45 amYYZ - LAX
Nonstop5h 25mPorter Airlines
Deal found 4/15$210

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 April 15, 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

Wed 7/2

3:00 pm-5:51 am

2 stops11h 51m

Toronto Pearson Intl

Thu 7/10

1:30 pm-9:47 pm

1 stop11h 17m

$142

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 6/5

11:40 am-12:24 am

1 stop9h 44m

Toronto Pearson Intl

Sun 6/15

10:40 am-1:05 pm

Nonstop5h 25m

$147

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Tue 6/10

12:35 pm-5:25 am

2 stops13h 50m

Ottawa

Fri 6/13

6:10 am-5:17 pm

2 stops14h 07m

$179

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Wed 5/7

12:35 pm-6:45 am

2 stops15h 10m

Ottawa

Sun 5/18

7:00 am-12:10 pm

1 stop8h 10m

$180

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Thu 5/1

10:20 pm-11:47 am

1 stop10h 27m

Toronto Island

Sun 5/4

5:25 pm-10:59 pm

1 stop8h 34m

$181

Los AngelesMontreal

LAX - YUL

LAXYUL

Los Angeles

Fri 5/30

1:10 pm-12:37 am

1 stop8h 27m

Montreal Pierre Elliott Trudeau Intl

Wed 6/11

7:00 am-2:12 pm

1 stop10h 12m

$188

Los AngelesMontreal

LAX - YUL

LAXYUL

Los Angeles

Fri 5/30

1:10 pm-12:37 am

1 stop8h 27m

Montreal Pierre Elliott Trudeau Intl

Sun 6/8

6:45 am-1:05 pm

1 stop9h 20m

$193

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 5/10

7:00 am-4:42 pm

1 stop6h 42m

Toronto Pearson Intl

Sat 5/10

7:00 pm-12:35 am

1 stop8h 35m

$194

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sun 5/4

10:20 pm-10:39 am

1 stop9h 19m

Toronto Pearson Intl

Tue 5/6

6:35 pm-8:59 pm

Nonstop5h 24m

$197

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Sat 5/3

10:23 am-12:46 am

2 stops11h 23m

Toronto Region of Waterloo Intl

Mon 5/12

6:00 am-9:56 am

2 stops30h 56m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 60 results
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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 July is currently the most expensive (average of $359). 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 April 15, 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 April 15, 2025.

The most flights from LAX to CAON are scheduled on a Monday (19 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 on average).

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 April 15, 2025.
To help decide which airline to fly from Los Angeles to Ontario, see what other customers have to say about Alaska Airlines, Porter Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Porter Airlines
8.0
Very good
281 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,918 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air Transat
7.8
Good
385 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Finnair
7.6
Good
1,269 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $65. However, be on the lookout for offers from Air Canada and Porter 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: Brussels Airlines (100%), Austrian Airlines (82%), Porter Airlines( 74%).

  • 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 $830, our data shows the cheapest flight currently is $73. When looking at the most popular route, (Los Angeles - Toronto Pearson Intl), you can expect to pay $150 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 July is currently the most expensive (average of $359). 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.

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Alternative routes for Los Angeles to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$128Average$385FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$136Average$355FlexibilityNo cancel feeOn-time52%
WestJetCheapest$137Average$353FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$144Average$537FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$144Average$411FlexibilityNo cancel feeOn-time69%
DeltaCheapest$153Average$413FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$186Average$389FlexibilityNo cancel feeOn-time50%

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