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Cheap flights from Los Angeles to Ontario from C$ 90

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
20 Apr — 27 Apr1
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 15 April 2025.

Round-trip from

C$ 197

One-way from

C$ 90

Popular in

December

Cheapest in

September

Average price

C$ 464

Good round-trip deal

C$ 247 or less

Good one-way deal

C$ 154 or less
WestJet
  • WestJet
  • 2/7-10/7
  • 3 total stops
  • 23h 08m total
  • Los Angeles to Ontario
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WestJet
  • WestJet
  • 4/6
  • 2 total stops
  • 13h 50m total
  • Los Angeles to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 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 15 April 2025.

Sun 27/711:10 p.m.LAX - YYZ
Nonstop4h 50mWestJet
Thu 31/712:00 p.m.YYZ - LAX
2 stops11h 23mWestJet
Deal found 15/4C$ 202
Thu 15/54:05 p.m.LAX - YYZ
Nonstop4h 53mMultiple Airlines
Tue 20/57:45 p.m.YYZ - LAX
Nonstop5h 25mMultiple Airlines
Deal found 15/4C$ 222
Tue 10/612:35 p.m.LAX - YOW
2 stops13h 50mWestJet
Fri 13/66:10 a.m.YOW - LAX
2 stops14h 07mWestJet
Deal found 15/4C$ 249
Wed 7/512:35 p.m.LAX - YOW
2 stops15h 10mMultiple Airlines
Sun 18/57:00 a.m.YOW - LAX
1 stop8h 10mMultiple Airlines
Deal found 14/4C$ 250
Thu 1/510:20 p.m.LAX - YTZ
1 stop10h 27mAir Canada
Sun 4/55:25 p.m.YTZ - LAX
1 stop8h 34mAir Canada
Deal found 14/4C$ 252
Fri 30/51:10 p.m.LAX - YUL
1 stop8h 27mMultiple Airlines
Wed 11/67:00 a.m.YUL - LAX
1 stop10h 12mMultiple Airlines
Deal found 15/4C$ 261
Fri 30/51:10 p.m.LAX - YUL
1 stop8h 27mPorter Airlines
Mon 9/66:45 a.m.YUL - LAX
1 stop9h 20mPorter Airlines
Deal found 15/4C$ 268
Tue 6/59:55 p.m.LAX - YYZ
Nonstop4h 51mAir Canada
Tue 13/56:35 p.m.YYZ - LAX
Nonstop5h 24mAir Canada
Deal found 15/4C$ 268
Sat 3/510:23 a.m.LAX - YKF
2 stops11h 23mMultiple Airlines
Mon 12/56:00 a.m.YKF - LAX
2 stops30h 56mMultiple Airlines
Deal found 14/4C$ 280
Wed 4/67:00 a.m.LAX - YUL
2 stops14h 37mWestJet
Tue 10/67:00 a.m.YUL - LAX
1 stop10h 12mWestJet
Deal found 15/4C$ 281
Fri 16/55:00 a.m.LAX - YYZ
1 stop14h 48mUnited Airlines
Sun 18/58:30 a.m.YYZ - LAX
Nonstop5h 11mUnited Airlines
Deal found 15/4C$ 282
Wed 7/51:10 p.m.LAX - YYZ
Nonstop4h 53mPorter Airlines
Tue 13/59:45 a.m.YYZ - LAX
Nonstop5h 25mPorter Airlines
Deal found 15/4C$ 291

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 15 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 2/7

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

2 stops11h 51m

Toronto Pearson Intl

Thu 10/7

1:30 p.m.-9:47 p.m.

1 stop11h 17m

C$ 197

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 5/6

11:40 a.m.-12:24 a.m.

1 stop9h 44m

Toronto Pearson Intl

Sun 15/6

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

Nonstop5h 25m

C$ 204

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Tue 10/6

12:35 p.m.-5:25 a.m.

2 stops13h 50m

Ottawa

Fri 13/6

6:10 a.m.-5:17 p.m.

2 stops14h 07m

C$ 249

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Wed 7/5

12:35 p.m.-6:45 a.m.

2 stops15h 10m

Ottawa

Sun 18/5

7:00 a.m.-12:10 p.m.

1 stop8h 10m

C$ 250

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Thu 1/5

10:20 p.m.-11:47 a.m.

1 stop10h 27m

Toronto Island

Sun 4/5

5:25 p.m.-10:59 p.m.

1 stop8h 34m

C$ 252

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

Sat 14/6

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

1 stop10h 12m

C$ 261

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

Mon 9/6

6:45 a.m.-1:05 p.m.

1 stop9h 20m

C$ 268

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 10/5

7:00 a.m.-4:42 p.m.

1 stop6h 42m

Toronto Pearson Intl

Sat 10/5

7:00 p.m.-12:35 a.m.

1 stop8h 35m

C$ 270

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sun 4/5

10:20 p.m.-10:39 a.m.

1 stop9h 19m

Toronto Pearson Intl

Tue 6/5

6:35 p.m.-8:59 p.m.

Nonstop5h 24m

C$ 274

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Sat 3/5

10:23 a.m.-12:46 a.m.

2 stops11h 23m

Toronto Region of Waterloo Intl

Mon 12/5

6:00 a.m.-9:56 a.m.

2 stops30h 56m

C$ 280

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Showing 1-10 of 53 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 15 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 15 April 2025.

The most flights from LAX to CAON are scheduled on a Monday (19 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 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 15 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
9,876 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Porter Airlines
8.0
Very good
281 reviews
Alaska Airlines
8.0
Very good
9,876 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air Transat
7.8
Good
385 reviews
Alaska Airlines
8.0
Very good
9,876 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Finnair
7.6
Good
1,269 reviews
Alaska Airlines
8.0
Very good
9,876 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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$ 90 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 Porter Airlines, with prices starting from C$ 115 and C$ 121, 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 (82%) or Porter Airlines (74%) 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$ 284 for a flight from Los Angeles to Region of Ontario. The cheapest flight overall is C$ 89 while the most popular route, (Los Angeles - Toronto Pearson Intl) is currently priced at C$ 209.

  • 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 177AverageC$ 400FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 211AverageC$ 578FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 226AverageC$ 666FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 234AverageC$ 427FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 236AverageC$ 482FlexibilityNo cancel feeOn-time52%
Search Porter Airlines 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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