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Cheap flights from Los Angeles to Ontario from C$ 93

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 229

One-way from

C$ 93

Popular in

December

Cheapest in

May

Average price

C$ 402

Good round-trip deal

C$ 180 or less

Good one-way deal

C$ 210 or less
WestJet
  • WestJet
  • 17/10-24/10
  • Nonstop
  • 10h 15m total
  • Los Angeles to Ontario
Search Deals
WestJet
  • WestJet
  • 24/10
  • 1 total stop
  • 10h 00m total
  • Los Angeles to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 11 September 2025.

Wed 22/1011:10 p.m.LAX - YYZ
Nonstop4h 49mWestJet
Sun 26/108:00 a.m.YYZ - LAX
2 stops14h 50mWestJet
Deal found 11/9C$ 229
Mon 20/106:05 p.m.LAX - YYZ
1 stop9h 07mMultiple Airlines
Tue 21/1010:40 a.m.YYZ - LAX
Nonstop5h 20mMultiple Airlines
Deal found 11/9C$ 230
Thu 9/102:00 p.m.LAX - YYZ
Nonstop4h 50mMultiple Airlines
Fri 24/107:45 p.m.YYZ - LAX
Nonstop5h 26mMultiple Airlines
Deal found 9/9C$ 231
Wed 5/115:45 p.m.LAX - YKF
1 stop8h 43mWestJet
Mon 10/116:20 a.m.YKF - LAX
1 stop13h 38mWestJet
Deal found 9/9C$ 233
Fri 10/1011:10 p.m.LAX - YYZ
Nonstop4h 50mWestJet
Sat 25/101:30 p.m.YYZ - LAX
1 stop11h 16mWestJet
Deal found 9/9C$ 233
Fri 10/106:05 p.m.LAX - YYZ
1 stop9h 47mWestJet
Fri 24/107:45 p.m.YYZ - LAX
Nonstop5h 26mWestJet
Deal found 9/9C$ 234
Fri 17/107:00 a.m.LAX - YYZ
2 stops14h 31mWestJet
Tue 21/108:00 a.m.YYZ - LAX
2 stops13h 09mWestJet
Deal found 10/9C$ 236
Wed 15/106:05 p.m.LAX - YYZ
1 stop9h 07mWestJet
Sun 19/108:00 a.m.YYZ - LAX
2 stops13h 09mWestJet
Deal found 9/9C$ 237
Fri 3/1012:35 p.m.LAX - YYZ
2 stops14h 16mWestJet
Mon 6/1010:00 a.m.YYZ - LAX
1 stop10h 16mWestJet
Deal found 10/9C$ 238
Sat 25/109:55 p.m.LAX - YYZ
Nonstop4h 51mAir Canada
Sat 1/116:55 p.m.YYZ - LAX
Nonstop5h 33mAir Canada
Deal found 9/9C$ 240
Sat 18/1011:40 a.m.LAX - YHM
1 stop10h 00mWestJet
Sat 25/106:00 a.m.YHM - LAX
2 stops15h 09mWestJet
Deal found 8/9C$ 241
Fri 26/97:00 a.m.LAX - YYZ
2 stops11h 01mWestJet
Wed 1/108:00 a.m.YYZ - LAX
2 stops13h 09mWestJet
Deal found 10/9C$ 241

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 11 September 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 - YKF

LAXYKF

Los Angeles

Wed 5/11

5:45 p.m.-5:28 a.m.

1 stop8h 43m

Toronto Region of Waterloo Intl

Mon 10/11

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

1 stop13h 38m

C$ 233

Los AngelesHamilton

LAX - YHM

LAXYHM

Los Angeles

Sat 18/10

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

1 stop10h 00m

Hamilton

Sat 25/10

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

2 stops15h 09m

C$ 241

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Wed 22/10

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

1 stop10h 05m

Toronto Region of Waterloo Intl

Sat 25/10

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

2 stops15h 09m

C$ 259

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Thu 2/10

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

1 stop10h 05m

Toronto Region of Waterloo Intl

Tue 7/10

6:00 a.m.-9:46 p.m.

1 stop18h 46m

C$ 261

Los AngelesHamilton

LAX - YHM

LAXYHM

Los Angeles

Sun 12/10

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

1 stop10h 00m

Hamilton

Wed 15/10

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

2 stops15h 09m

C$ 261

Los AngelesHamilton

LAX - YHM

LAXYHM

Los Angeles

Fri 17/10

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

1 stop10h 00m

Hamilton

Sat 25/10

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

2 stops15h 09m

C$ 270

Los AngelesHamilton

LAX - YHM

LAXYHM

Los Angeles

Mon 20/10

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

1 stop10h 00m

Hamilton

Sun 26/10

6:10 p.m.-11:00 a.m.

2 stops19h 50m

C$ 272

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Sun 30/11

11:50 a.m.-5:28 a.m.

2 stops14h 38m

Toronto Region of Waterloo Intl

Sat 6/12

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

1 stop13h 38m

C$ 281

Los AngelesHamilton

LAX - YHM

LAXYHM

Los Angeles

Fri 17/10

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

1 stop10h 00m

Hamilton

Fri 24/10

6:00 a.m.-9:46 p.m.

1 stop18h 46m

C$ 287

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Fri 24/10

10:30 p.m.-11:31 a.m.

2 stops10h 01m

Toronto Island

Fri 31/10

12:30 p.m.-8:50 p.m.

1 stop11h 20m

C$ 290

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

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 C$ 168). 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 11 September 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 11 September 2025.

The most flights from LAX to CAON are scheduled on a Wednesday (22 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (17 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 11 September 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
7.9
Good
363 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Comfort

7.9

Food

7.6

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Comfort

7.9

Food

7.6

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Comfort

7.9

Food

7.6

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,937 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Comfort

7.9

Food

7.6

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Comfort

7.9

Food

7.6

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Comfort

7.9

Food

7.6

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 WestJet, Air Canada, and United Airlines fly from Los Angeles to Region of Ontario in about 8h 43m. The time it takes to get you to your destination can typically vary by up to 3h 04m. The distance between Los Angeles and Region of Ontario is about 3430 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$ 94 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from C$ 127 and C$ 140, 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 Brussels Airlines (89%), Austrian Airlines (84%) or Porter Airlines (78%) 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$ 399 for a flight from Los Angeles to Region of Ontario. The cheapest flight overall is C$ 119 while the most popular route, (Los Angeles - Toronto Pearson Intl) is currently priced at C$ 208.

  • 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$ 168). 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 146AverageC$ 456FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 190AverageC$ 487FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 205AverageC$ 418FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 217AverageC$ 301FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 240AverageC$ 685FlexibilityNo 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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