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Cheap flights from Los Angeles to Ontario from C$ 125

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
3 Aug — 10 Aug1
1 adult

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 29 July 2025.

Round-trip from

C$ 222

One-way from

C$ 125

Popular in

December

Cheapest in

May

Average price

C$ 469

Good round-trip deal

C$ 180 or less

Good one-way deal

C$ 166 or less
WestJet
  • WestJet
  • 7/9-8/9
  • 2 total stops
  • 16h 43m total
  • Los Angeles to Ontario
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Air Canada
  • Air Canada
  • 26/10
  • Nonstop
  • 4h 45m total
  • Los Angeles to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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.
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 29 July 2025.

Sun 7/911:10 p.m.LAX - YYZ
Nonstop4h 49mWestJet
Mon 8/910:00 a.m.YYZ - LAX
2 stops11h 54mWestJet
Deal found 27/7C$ 222
Fri 5/911:40 a.m.LAX - YYZ
1 stop9h 42mMultiple Airlines
Sat 6/910:40 a.m.YYZ - LAX
Nonstop5h 20mMultiple Airlines
Deal found 27/7C$ 257
Fri 5/92:00 p.m.LAX - YYZ
Nonstop4h 50mPorter Airlines
Sat 6/910:40 a.m.YYZ - LAX
Nonstop5h 20mPorter Airlines
Deal found 27/7C$ 287
Wed 10/910:30 p.m.LAX - YTZ
1 stop10h 15mAir Canada
Wed 17/910:20 a.m.YTZ - LAX
2 stops14h 15mAir Canada
Deal found 26/7C$ 318
Wed 27/811:40 a.m.LAX - YKF
1 stop10h 06mWestJet
Sun 31/86:00 a.m.YKF - LAX
1 stop18h 47mWestJet
Deal found 29/7C$ 328
Wed 24/99:10 p.m.LAX - YOW
2 stops18h 10mMultiple Airlines
Sat 27/97:00 a.m.YOW - LAX
1 stop9h 00mMultiple Airlines
Deal found 26/7C$ 354
Mon 25/87:00 a.m.LAX - YHM
1 stop14h 41mWestJet
Mon 1/96:00 a.m.YHM - LAX
2 stops32h 43mWestJet
Deal found 27/7C$ 377
Mon 25/87:00 a.m.LAX - YOW
1 stop8h 21mWestJet
Mon 1/95:15 p.m.YOW - LAX
2 stops21h 28mWestJet
Deal found 28/7C$ 379
Sat 30/812:05 p.m.LAX - YUL
Nonstop5h 25mMultiple Airlines
Fri 5/96:45 a.m.YUL - LAX
1 stop9h 15mMultiple Airlines
Deal found 28/7C$ 384
Wed 15/102:00 p.m.LAX - YUL
1 stop7h 37mPorter Airlines
Tue 21/106:45 a.m.YUL - LAX
1 stop9h 15mPorter Airlines
Deal found 28/7C$ 387
Sun 31/810:30 p.m.LAX - YUL
Nonstop5h 29mAir Canada
Sat 6/96:45 p.m.YUL - LAX
Nonstop5h 50mAir Canada
Deal found 29/7C$ 388
Wed 20/812:35 p.m.LAX - YUL
2 stops33h 08mWestJet
Mon 25/87:00 a.m.YUL - LAX
2 stops14h 55mWestJet
Deal found 28/7C$ 390

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 July 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 7/9

11:10 p.m.-6:59 a.m.

Nonstop4h 49m

Toronto Pearson Intl

Mon 8/9

10:00 a.m.-6:54 p.m.

2 stops11h 54m

C$ 222

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 25/9

7:00 a.m.-9:01 p.m.

2 stops11h 01m

Toronto Pearson Intl

Sat 27/9

10:40 a.m.-1:00 p.m.

Nonstop5h 20m

C$ 241

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 6/9

10:30 p.m.-10:39 a.m.

1 stop9h 09m

Toronto Pearson Intl

Sat 13/9

6:35 p.m.-8:53 p.m.

Nonstop5h 18m

C$ 244

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 5/9

2:00 p.m.-9:50 p.m.

Nonstop4h 50m

Toronto Pearson Intl

Sat 6/9

10:40 a.m.-1:00 p.m.

Nonstop5h 20m

C$ 287

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Wed 10/9

10:30 p.m.-11:45 a.m.

1 stop10h 15m

Toronto Island

Wed 17/9

10:20 a.m.-9:35 p.m.

2 stops14h 15m

C$ 318

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Wed 27/8

11:40 a.m.-12:46 a.m.

1 stop10h 06m

Toronto Region of Waterloo Intl

Sun 31/8

6:00 a.m.-9:47 p.m.

1 stop18h 47m

C$ 328

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Wed 24/9

9:10 p.m.-6:20 p.m.

2 stops18h 10m

Ottawa

Sat 27/9

7:00 a.m.-1:00 p.m.

1 stop9h 00m

C$ 354

Los AngelesHamilton

LAX - YHM

LAXYHM

Los Angeles

Mon 25/8

7:00 a.m.-12:41 a.m.

1 stop14h 41m

Hamilton

Mon 1/9

6:00 a.m.-11:43 a.m.

2 stops32h 43m

C$ 377

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Mon 25/8

7:00 a.m.-6:21 p.m.

1 stop8h 21m

Ottawa

Mon 1/9

5:15 p.m.-11:43 a.m.

2 stops21h 28m

C$ 379

Los AngelesMontreal

LAX - YUL

LAXYUL

Los Angeles

Sat 30/8

12:05 p.m.-8:30 p.m.

Nonstop5h 25m

Montreal Pierre Elliott Trudeau Intl

Fri 5/9

6:45 a.m.-1:00 p.m.

1 stop9h 15m

C$ 384

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 47 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 C$ 167). Flying from Los Angeles to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 July 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 29 July 2025.

The most flights from LAX to CAON are scheduled on a Sunday (23 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 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 July 2025.
Read through reviews of airlines operating flights from Los Angeles to Ontario, such as Porter Airlines,Delta, 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
317 reviews
Check prices

Crew

8.7

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
317 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Crew

8.7

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,979 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Crew

8.7

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,896 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Crew

8.7

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Crew

8.7

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,972 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Crew

8.7

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

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

    C$ 125 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on WestJet and United Airlines, with prices starting from C$ 128 and C$ 136, 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 Porter Airlines (95%), Air Transat (95%) or Brussels Airlines (91%) 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$ 269 for a flight from Los Angeles to Region of Ontario. The cheapest flight overall is C$ 121 while the most popular route, (Los Angeles - Toronto Pearson Intl) is currently priced at C$ 251.

  • 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 C$ 167). Flying from Los Angeles to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 145AverageC$ 442FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 201AverageC$ 491FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 202AverageC$ 420FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 216AverageC$ 312FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 238AverageC$ 678FlexibilityNo 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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