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Cheap flights from Los Angeles to Ontario from C$ 162

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
28 Feb — 7 Mar1
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 29 January 2026.

Sat 14/31:40 p.m.
LAX
-
YYZ
Nonstop4h 45m
Porter Airlines
Fri 20/310:00 a.m.
YYZ
-
LAX
Nonstop5h 39m
Porter Airlines
Deal found 28/1C$ 301
Mon 2/34:07 p.m.
LAX
-
YYZ
1 stop11h 36m
Multiple Airlines
Wed 4/310:00 a.m.
YYZ
-
LAX
Nonstop5h 39m
Multiple Airlines
Deal found 28/1C$ 303
Mon 2/34:07 p.m.
LAX
-
YYZ
1 stop11h 36m
Multiple Airlines
Mon 9/310:00 a.m.
YYZ
-
LAX
Nonstop5h 39m
Multiple Airlines
Deal found 28/1C$ 304
Thu 16/411:50 a.m.
LAX
-
YYZ
1 stop9h 05m
Multiple Airlines
Mon 20/410:00 a.m.
YYZ
-
LAX
Nonstop5h 39m
Multiple Airlines
Deal found 28/1C$ 316
Sun 1/39:09 p.m.
LAX
-
YYZ
1 stop30h 34m
Multiple Airlines
Tue 31/310:00 a.m.
YYZ
-
LAX
Nonstop5h 39m
Multiple Airlines
Deal found 28/1C$ 322
Wed 15/411:30 a.m.
LAX
-
YYZ
1 stop9h 55m
Multiple Airlines
Sun 19/410:00 a.m.
YYZ
-
LAX
Nonstop5h 39m
Multiple Airlines
Deal found 28/1C$ 326
Tue 3/34:07 p.m.
LAX
-
YYZ
2 stops11h 06m
Multiple Airlines
Tue 10/310:00 a.m.
YYZ
-
LAX
Nonstop5h 39m
Multiple Airlines
Deal found 29/1C$ 327
Fri 6/31:40 p.m.
LAX
-
YYZ
Nonstop4h 45m
Multiple Airlines
Wed 11/31:30 p.m.
YYZ
-
LAX
1 stop11h 33m
Multiple Airlines
Deal found 28/1C$ 329
Thu 23/411:50 a.m.
LAX
-
YYZ
1 stop9h 05m
Multiple Airlines
Sat 25/410:00 a.m.
YYZ
-
LAX
Nonstop5h 39m
Multiple Airlines
Deal found 29/1C$ 330
Sat 14/31:40 p.m.
LAX
-
YYZ
Nonstop4h 45m
Multiple Airlines
Sat 21/33:00 p.m.
YYZ
-
LAX
1 stop10h 00m
Multiple Airlines
Deal found 28/1C$ 331
Sat 14/38:15 a.m.
LAX
-
YTZ
1 stop8h 40m
Air Canada
Sat 21/34:25 p.m.
YTZ
-
LAX
1 stop8h 35m
Air Canada
Deal found 28/1C$ 360
Fri 13/38:15 a.m.
LAX
-
YTZ
1 stop10h 20m
Air Canada
Fri 20/39:30 a.m.
YTZ
-
LAX
1 stop15h 30m
Air Canada
Deal found 26/1C$ 400

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 29 January 2026.

Round-trip from

C$ 301

One-way from

C$ 162

Popular in

December

Cheapest in

June

Average price

C$ 475

Good round-trip deal

C$ 186 or less

Good one-way deal

C$ 204 or less
Porter Airlines
  • Porter Airlines
  • 14/3-20/3
  • Nonstop
  • 10h 24m total
  • Los Angeles to Ontario
Search Deals
Air Transat
  • Air Transat
  • 13/3
  • Nonstop
  • 4h 45m total
  • Los Angeles to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 29 January 2026.
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 18/3

12:15 p.m.-12:26 a.m.

1 stop9h 11m

Toronto Pearson Intl

Sat 28/3

7:55 p.m.-8:20 a.m.

1 stop15h 25m

C$ 400

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Mon 16/2

12:25 a.m.-4:02 p.m.

1 stop12h 37m

Toronto Pearson Intl

Tue 17/2

7:40 p.m.-1:09 a.m.

1 stop8h 29m

C$ 422

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Thu 5/3

8:40 p.m.-5:29 a.m.

2 stops29h 49m

Toronto Region of Waterloo Intl

Tue 10/3

6:20 a.m.-11:00 a.m.

2 stops31h 40m

C$ 436

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Mon 20/4

11:50 a.m.-5:29 a.m.

2 stops14h 39m

Toronto Region of Waterloo Intl

Sat 25/4

6:20 a.m.-4:58 p.m.

1 stop13h 38m

C$ 437

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Fri 13/3

8:15 a.m.-9:35 p.m.

1 stop10h 20m

Toronto Island

Fri 20/3

12:30 p.m.-10:00 p.m.

1 stop12h 30m

C$ 443

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Sat 14/3

8:15 a.m.-9:35 p.m.

1 stop10h 20m

Toronto Island

Fri 20/3

12:30 p.m.-10:00 p.m.

1 stop12h 30m

C$ 448

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Tue 17/2

9:55 p.m.-11:07 a.m.

1 stop10h 12m

Toronto Pearson Intl

Thu 26/2

12:11 p.m.-8:45 p.m.

1 stop11h 34m

C$ 453

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 19/2

6:00 a.m.-7:09 p.m.

1 stop10h 09m

Toronto Pearson Intl

Thu 26/2

10:05 a.m.-6:57 p.m.

1 stop11h 52m

C$ 453

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Sun 1/3

9:09 p.m.-12:39 a.m.

2 stops48h 30m

Ottawa

Sun 8/3

5:40 a.m.-11:39 a.m.

1 stop9h 59m

C$ 456

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 27/2

12:25 a.m.-9:58 a.m.

1 stop6h 33m

Toronto Pearson Intl

Wed 4/3

10:51 a.m.-3:35 p.m.

1 stop7h 44m

C$ 456

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

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$ 255). 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 29 January 2026.

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 evening, which can drop the price by up to 45% versus a flight at noon.

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 24 January 2026.

Travelers seeking maximum savings on their Los Angeles to Region of Ontario flight should consider departing on Monday afternoons when fares are most often at their lowest. Tuesday mornings 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 29 January 2026.

The most flights from LAX to CAON are scheduled on a Friday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Los Angeles to Region of Ontario?

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 29 January 2026.
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
7.9
Good
412 reviews
Check prices

Comfort

7.9

Entertainment

6.9

Food

7.5

Boarding

8.2

Crew

8.6

Overall

7.9

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
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Entertainment

6.9

Food

7.5

Boarding

8.2

Crew

8.6

Overall

7.9

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
7.7
Good
501 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Entertainment

6.9

Food

7.5

Boarding

8.2

Crew

8.6

Overall

7.9

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
9,215 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Entertainment

6.9

Food

7.5

Boarding

8.2

Crew

8.6

Overall

7.9

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
3,253 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Entertainment

6.9

Food

7.5

Boarding

8.2

Crew

8.6

Overall

7.9

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
10,667 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Entertainment

6.9

Food

7.5

Boarding

8.2

Crew

8.6

Overall

7.9

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 United Airlines, WestJet, and Air Canada fly from Los Angeles to Region of Ontario in about 10h 20m. The time it takes to get you to your destination can typically vary by up to 19h 29m. The distance between Los Angeles and Region of Ontario is about 3510 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$ 80 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$ 110 and C$ 112, 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 Austrian Airlines (95%), United Airlines (58%) or Air New Zealand (58%) 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$ 450 for a flight from Los Angeles to Region of Ontario. The cheapest flight overall is C$ 143 while the most popular route, (Los Angeles - Toronto Pearson Intl) is currently priced at C$ 303.

  • 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$ 255). 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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 143AverageC$ 434FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 159AverageC$ 394FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 166AverageC$ 507FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 173AverageC$ 680FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 213AverageC$ 274FlexibilityNo cancel feeOn-time60%
Search WestJet 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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