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Cheap flights from Los Angeles to Ontario from C$ 112

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 24/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
4 May — 11 May1
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 April 2025.

Round-trip from

C$ 205

One-way from

C$ 112

Popular in

December

Cheapest in

September

Average price

C$ 453

Good round-trip deal

C$ 224 or less

Good one-way deal

C$ 157 or less
WestJet
  • WestJet
  • 13/8-19/8
  • 2 total stops
  • 17h 16m total
  • Los Angeles to Ontario
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WestJet
  • WestJet
  • 24/7
  • 1 total stop
  • 9h 07m total
  • Los Angeles to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 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.
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 April 2025.

Wed 20/83:00 p.m.LAX - YYZ
2 stops11h 51mWestJet
Sat 30/87:45 p.m.YYZ - LAX
Nonstop5h 25mWestJet
Deal found 28/4C$ 205
Wed 11/67:00 a.m.LAX - YYZ
2 stops11h 03mMultiple Airlines
Tue 17/610:40 a.m.YYZ - LAX
Nonstop5h 25mMultiple Airlines
Deal found 28/4C$ 247
Fri 1/83:00 p.m.LAX - YOW
2 stops11h 25mWestJet
Fri 8/812:20 p.m.YOW - LAX
2 stops11h 03mWestJet
Deal found 27/4C$ 262
Fri 30/51:10 p.m.LAX - YUL
1 stop8h 27mPorter Airlines
Tue 3/66:45 a.m.YUL - LAX
1 stop8h 25mPorter Airlines
Deal found 27/4C$ 274
Mon 21/711:40 a.m.LAX - YUL
1 stop10h 03mWestJet
Thu 24/77:00 a.m.YUL - LAX
2 stops16h 23mWestJet
Deal found 28/4C$ 283
Fri 8/82:00 p.m.LAX - YUL
1 stop7h 37mMultiple Airlines
Tue 12/87:00 a.m.YUL - LAX
1 stop10h 12mMultiple Airlines
Deal found 28/4C$ 284
Tue 13/511:07 p.m.LAX - YYZ
1 stop8h 08mAmerican Airlines
Wed 14/51:15 p.m.YYZ - LAX
1 stop12h 27mAmerican Airlines
Deal found 28/4C$ 291
Fri 16/51:10 p.m.LAX - YYZ
Nonstop4h 53mPorter Airlines
Sat 24/59:45 a.m.YYZ - LAX
Nonstop5h 25mPorter Airlines
Deal found 26/4C$ 295
Fri 23/57:18 p.m.LAX - YYZ
1 stop14h 38mUnited Airlines
Sun 25/57:00 p.m.YYZ - LAX
1 stop15h 36mUnited Airlines
Deal found 28/4C$ 310
Fri 1/82:00 p.m.LAX - YOW
1 stop7h 21mMultiple Airlines
Thu 7/86:00 a.m.YOW - LAX
1 stop11h 12mMultiple Airlines
Deal found 27/4C$ 330
Wed 28/511:40 a.m.LAX - YKF
1 stop10h 06mWestJet
Thu 5/66:00 a.m.YKF - LAX
1 stop11h 12mWestJet
Deal found 27/4C$ 342
Fri 16/51:10 p.m.LAX - YOW
1 stop8h 11mPorter Airlines
Mon 19/57:00 a.m.YOW - LAX
1 stop8h 10mPorter Airlines
Deal found 28/4C$ 342

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 April 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 13/8

3:00 p.m.-5:51 a.m.

2 stops11h 51m

Toronto Pearson Intl

Tue 19/8

7:45 p.m.-10:10 p.m.

Nonstop5h 25m

C$ 205

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Wed 11/6

7:00 a.m.-9:03 p.m.

2 stops11h 03m

Toronto Pearson Intl

Tue 17/6

10:40 a.m.-1:05 p.m.

Nonstop5h 25m

C$ 247

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Fri 1/8

3:00 p.m.-5:25 a.m.

2 stops11h 25m

Ottawa

Fri 8/8

12:20 p.m.-8:23 p.m.

2 stops11h 03m

C$ 262

Los AngelesMontreal

LAX - YUL

LAXYUL

Los Angeles

Fri 30/5

1:10 p.m.-12:37 a.m.

1 stop8h 27m

Montreal Pierre Elliott Trudeau Intl

Wed 4/6

6:45 a.m.-12:10 p.m.

1 stop8h 25m

C$ 274

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Wed 28/5

11:45 p.m.-12:30 p.m.

1 stop9h 45m

Toronto Pearson Intl

Thu 29/5

4:15 p.m.-10:02 p.m.

1 stop8h 47m

C$ 276

Los AngelesMontreal

LAX - YUL

LAXYUL

Los Angeles

Mon 21/7

11:40 a.m.-12:43 a.m.

1 stop10h 03m

Montreal Pierre Elliott Trudeau Intl

Thu 24/7

7:00 a.m.-8:23 p.m.

2 stops16h 23m

C$ 283

Los AngelesMontreal

LAX - YUL

LAXYUL

Los Angeles

Fri 8/8

2:00 p.m.-12:37 a.m.

1 stop7h 37m

Montreal Pierre Elliott Trudeau Intl

Tue 12/8

7:00 a.m.-2:12 p.m.

1 stop10h 12m

C$ 284

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sun 1/6

5:45 a.m.-7:37 p.m.

1 stop10h 52m

Toronto Pearson Intl

Sat 7/6

11:00 a.m.-8:57 p.m.

1 stop12h 57m

C$ 310

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Fri 1/8

2:00 p.m.-12:21 a.m.

1 stop7h 21m

Ottawa

Thu 7/8

6:00 a.m.-2:12 p.m.

1 stop11h 12m

C$ 330

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 29/5

1:10 p.m.-9:03 p.m.

Nonstop4h 53m

Toronto Pearson Intl

Sun 1/6

9:45 a.m.-12:10 p.m.

Nonstop5h 25m

C$ 331

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 52 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 April 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 April 2025.

The most flights from LAX to CAON are scheduled on a Wednesday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 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 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 April 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Porter Airlines and Delta from Los Angeles to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,949 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
285 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air Transat
7.8
Good
385 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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$ 112 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 American Airlines, with prices starting from C$ 118 and C$ 129, 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 (100%), Austrian Airlines (83%) or Porter Airlines (76%) 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$ 281 for a flight from Los Angeles to Region of Ontario. The cheapest flight overall is C$ 87 while the most popular route, (Los Angeles - Toronto Pearson Intl) is currently priced at C$ 248.

  • 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 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 146AverageC$ 447FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 177AverageC$ 399FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 211AverageC$ 569FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 225AverageC$ 645FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 231AverageC$ 422FlexibilityNo 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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