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Cheap flights from Los Angeles to Ontario from C$ 150

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Los Angeles to Ontario

Enter your travel dates to find the best prices.

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 12 December 2025.

Mon 15/123:30 p.m.LAX - YYZ
1 stop12h 17mMultiple Airlines
Thu 8/17:55 p.m.YYZ - LAX
1 stop22h 17mMultiple Airlines
Deal found 11/12C$ 385
Mon 15/123:30 p.m.LAX - YYZ
1 stop11h 50mMultiple Airlines
Wed 14/110:00 a.m.YYZ - LAX
Nonstop5h 36mMultiple Airlines
Deal found 10/12C$ 397
Mon 15/123:30 p.m.LAX - YYZ
1 stop11h 50mMultiple Airlines
Wed 7/19:35 a.m.YYZ - LAX
1 stop12h 46mMultiple Airlines
Deal found 10/12C$ 421
Thu 25/127:45 a.m.LAX - YYZ
Nonstop4h 45mMultiple Airlines
Thu 29/110:15 p.m.YYZ - LAX
1 stop15h 45mMultiple Airlines
Deal found 9/12C$ 454
Wed 17/123:30 p.m.LAX - YYZ
2 stops17h 58mMultiple Airlines
Fri 16/17:55 p.m.YYZ - LAX
1 stop15h 27mMultiple Airlines
Deal found 10/12C$ 456
Thu 18/123:30 p.m.LAX - YYZ
2 stops17h 58mMultiple Airlines
Fri 16/110:30 a.m.YYZ - LAX
1 stop12h 20mMultiple Airlines
Deal found 10/12C$ 463
Fri 26/127:45 a.m.LAX - YYZ
Nonstop4h 45mMultiple Airlines
Thu 29/11:30 p.m.YYZ - LAX
1 stop11h 33mMultiple Airlines
Deal found 9/12C$ 469
Wed 31/1211:57 p.m.LAX - YUL
1 stop12h 13mAmerican Airlines
Sat 10/17:30 a.m.YUL - LAX
2 stops14h 04mAmerican Airlines
Deal found 11/12C$ 621
Wed 24/1210:45 p.m.LAX - YUL
2 stops22h 45mMultiple Airlines
Tue 13/16:45 a.m.YUL - LAX
1 stop8h 51mMultiple Airlines
Deal found 10/12C$ 632
Wed 31/1211:59 p.m.LAX - YTZ
1 stop15h 58mMultiple Airlines
Sun 11/12:05 p.m.YTZ - LAX
3 stops30h 57mMultiple Airlines
Deal found 10/12C$ 659
Thu 25/128:59 p.m.LAX - YTZ
1 stop21h 16mMultiple Airlines
Thu 22/13:00 p.m.YTZ - LAX
1 stop10h 55mMultiple Airlines
Deal found 10/12C$ 661
Wed 31/1211:57 p.m.LAX - YUL
1 stop12h 13mAmerican Airlines
Tue 6/17:30 a.m.YUL - LAX
2 stops14h 04mAmerican Airlines
Deal found 10/12C$ 662

Find 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 12 December 2025.

Round-trip from

C$ 305

One-way from

C$ 150

Popular in

December

Cheapest in

May

Average price

C$ 643

Good round-trip deal

C$ 243 or less

Good one-way deal

C$ 228 or less
Porter Airlines
  • Porter Airlines
  • 22/1-27/1
  • 1 total stop
  • 15h 24m total
  • Los Angeles to Ontario
Search Deals
WestJet
  • WestJet
  • 27/1
  • 2 total stops
  • 14h 42m total
  • Los Angeles to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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

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 629,999 searches. Data last updated 12 December 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 18/2

1:40 p.m.-9:22 p.m.

Nonstop4h 42m

Toronto Pearson Intl

Wed 25/2

10:00 a.m.-12:36 p.m.

Nonstop5h 36m

C$ 332

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 16/1

11:50 a.m.-5:58 a.m.

2 stops15h 08m

Toronto Pearson Intl

Mon 19/1

10:30 a.m.-11:00 a.m.

1 stop27h 30m

C$ 367

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Mon 19/1

4:07 p.m.-6:20 a.m.

1 stop11h 13m

Toronto Pearson Intl

Sat 24/1

7:55 p.m.-8:22 a.m.

1 stop15h 27m

C$ 368

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 16/1

1:40 p.m.-9:22 p.m.

Nonstop4h 42m

Toronto Pearson Intl

Mon 19/1

10:15 p.m.-11:00 a.m.

1 stop15h 45m

C$ 372

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Wed 7/1

3:25 p.m.-12:23 p.m.

2 stops17h 58m

Toronto Pearson Intl

Tue 13/1

9:40 a.m.-6:32 p.m.

2 stops11h 52m

C$ 382

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Fri 6/2

5:45 p.m.-5:29 a.m.

1 stop8h 44m

Toronto Region of Waterloo Intl

Sat 7/2

7:00 p.m.-11:27 a.m.

1 stop19h 27m

C$ 404

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Fri 8/5

11:40 a.m.-12:45 a.m.

1 stop10h 05m

Toronto Region of Waterloo Intl

Sat 16/5

6:00 a.m.-2:20 p.m.

1 stop11h 20m

C$ 425

Los AngelesHamilton

LAX - YHM

LAXYHM

Los Angeles

Sun 25/1

7:00 a.m.-10:30 p.m.

1 stop12h 30m

Hamilton

Sun 1/2

7:00 a.m.-11:51 a.m.

2 stops31h 51m

C$ 425

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sun 31/5

3:05 p.m.-5:50 a.m.

2 stops11h 45m

Toronto Pearson Intl

Sun 7/6

12:00 p.m.-9:45 p.m.

2 stops12h 45m

C$ 429

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Wed 18/2

7:00 a.m.-11:38 p.m.

2 stops13h 38m

Toronto Pearson Intl

Wed 25/2

9:40 a.m.-6:30 p.m.

2 stops11h 50m

C$ 432

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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, July is the cheapest month in which you can book a flight from Los Angeles to Region of Ontario (average of C$ 126). Flying from Los Angeles to Region of Ontario in December is currently the most expensive (average of C$ 248). 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 12 December 2025.

When flying from Los Angeles to Region of Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 39% versus a flight in the afternoon.

What is the cheapest day to fly from Los Angeles to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from Los Angeles to Ontario. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Los Angeles to Region of Ontario flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 12 December 2025.

The most flights from LAX to CAON are scheduled on a Wednesday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 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 12 December 2025.
Read through reviews of airlines operating flights from Los Angeles to Ontario, such as Porter Airlines,Air Transat, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
397 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.8
Good
480 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,095 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,194 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,514 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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?

    Los Angeles (LAX), located 15.1 km from the city centre, is the airport you fly out of when you book flights from Los Angeles to Ontario.

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

    Airlines like Porter Airlines, WestJet, and American Airlines fly from Los Angeles to Region of Ontario in about 4h 42m. The time it takes to get you to your destination can typically vary by up to 10h 26m. The distance between Los Angeles and Region of Ontario is about 3492 km. Both multi-stop and direct flights can be found to your destination and back.

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

    C$ 83 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Porter Airlines, with prices starting from C$ 112 and C$ 114, respectively.

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

    When deciding which route to take from Los Angeles to Region of Ontario consider Los Angeles - Toronto Pearson Intl, Los Angeles - Montreal Pierre Elliott Trudeau Intl or Los Angeles - Toronto Island as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from Los Angeles to Region of Ontario consider choosing Sun Country Air (100%), Brussels Airlines (100%) or Austrian Airlines (94%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay C$ 677 for a flight from Los Angeles to Region of Ontario. The cheapest flight overall is C$ 147 while the most popular route, (Los Angeles - Toronto Pearson Intl) is currently priced at C$ 321.

  • 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, July is the cheapest month in which you can book a flight from Los Angeles to Region of Ontario (average of C$ 126). Flying from Los Angeles to Region of Ontario in December is currently the most expensive (average of C$ 248). 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 Los Angeles to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Los Angeles to Ontario

Discover the top 5 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 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 146AverageC$ 458FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 162AverageC$ 430FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 196AverageC$ 501FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 216AverageC$ 291FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 300AverageC$ 691FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Los Angeles to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Los Angeles to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Los Angeles to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Los Angeles to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Los Angeles to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Los Angeles shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Los Angeles to Ontario become cheaper?

Yes! Start tracking prices for Los Angeles to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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