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Cheap flights from Los Angeles to Ontario from C$ 207

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
28 May — 4 Jun1
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 28 April 2026.

Wed 17/63:00 p.m.
LAX
-
YYZ
2 stops11h 10m
WestJet
Sun 21/66:15 a.m.
YYZ
-
LAX
1 stop9h 10m
WestJet
Deal found 23/4C$ 360
Wed 17/63:00 p.m.
LAX
-
YYZ
2 stops11h 10m
WestJet
Thu 18/63:50 p.m.
YYZ
-
LAX
1 stop9h 15m
WestJet
Deal found 23/4C$ 361
Wed 3/67:30 a.m.
LAX
-
YYZ
2 stops13h 29m
WestJet
Sat 6/66:15 a.m.
YYZ
-
LAX
1 stop9h 10m
WestJet
Deal found 23/4C$ 367
Sun 14/66:05 p.m.
LAX
-
YYZ
1 stop8h 40m
WestJet
Sun 21/66:15 a.m.
YYZ
-
LAX
1 stop9h 10m
WestJet
Deal found 25/4C$ 368
Fri 12/67:30 a.m.
LAX
-
YYZ
2 stops13h 29m
WestJet
Mon 15/612:00 p.m.
YYZ
-
LAX
2 stops13h 05m
WestJet
Deal found 26/4C$ 369
Tue 26/56:05 p.m.
LAX
-
YYZ
1 stop8h 40m
WestJet
Mon 1/66:10 a.m.
YYZ
-
LAX
2 stops10h 55m
WestJet
Deal found 27/4C$ 372
Wed 9/97:30 a.m.
LAX
-
YYZ
2 stops11h 05m
WestJet
Sun 13/93:50 p.m.
YYZ
-
LAX
1 stop9h 15m
WestJet
Deal found 25/4C$ 374
Sat 11/73:00 p.m.
LAX
-
YYZ
2 stops11h 10m
WestJet
Wed 15/710:50 a.m.
YYZ
-
LAX
1 stop9h 20m
WestJet
Deal found 27/4C$ 375
Wed 3/67:30 a.m.
LAX
-
YYZ
2 stops13h 29m
WestJet
Tue 9/66:15 a.m.
YYZ
-
LAX
1 stop9h 10m
WestJet
Deal found 24/4C$ 376
Tue 26/56:05 p.m.
LAX
-
YYZ
1 stop8h 40m
WestJet
Thu 4/610:50 a.m.
YYZ
-
LAX
1 stop9h 20m
WestJet
Deal found 27/4C$ 378
Fri 5/66:05 p.m.
LAX
-
YYZ
1 stop9h 50m
WestJet
Tue 9/66:15 a.m.
YYZ
-
LAX
1 stop9h 10m
WestJet
Deal found 26/4C$ 379
Sun 14/66:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Fri 19/66:55 a.m.
YOW
-
LAX
2 stops13h 15m
WestJet
Deal found 27/4C$ 443

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 28 April 2026.

Round-trip from

C$ 360

One-way from

C$ 207

Popular in

December

Cheapest in

September

Average price

C$ 552

Good round-trip deal

C$ 563 or less

Good one-way deal

C$ 280 or less
WestJet
  • WestJet
  • 17/6-21/6
  • 3 total stops
  • 20h 20m total
  • Los Angeles to Ontario
Search Deals
WestJet
  • WestJet
  • 24/5
  • 1 total stop
  • 9h 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).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Los Angeles Los Angeles to Ontario.
Search Deals
Price to beat on a one-way flight from Los Angeles 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 28 April 2026.
Use the filters below to find and compare flights from Los Angeles to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles Los Angeles

Thu 18/6

7:15 a.m.-4:35 p.m.

1 stop6h 20m

Toronto Pearson Intl

Mon 22/6

5:45 p.m.-11:46 p.m.

1 stop9h 01m

C$ 487

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles Los Angeles

Tue 16/6

12:02 p.m.-7:50 p.m.

2 stops28h 48m

Toronto Region of Waterloo Intl

Sun 21/6

8:40 p.m.-10:50 p.m.

2 stops29h 10m

C$ 521

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles Los Angeles

Sat 6/6

6:05 p.m.-5:35 a.m.

1 stop8h 30m

Ottawa

Wed 10/6

7:20 a.m.-2:05 p.m.

1 stop9h 45m

C$ 526
Quickest round-trip

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles Los Angeles

Thu 25/6

6:00 a.m.-4:10 p.m.

1 stop7h 10m

Toronto Pearson Intl

Mon 29/6

9:00 p.m.-1:37 a.m.

1 stop7h 37m

C$ 545

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles Los Angeles

Tue 16/6

5:35 a.m.-4:35 p.m.

1 stop8h 00m

Toronto Pearson Intl

Tue 23/6

2:29 p.m.-10:46 p.m.

1 stop11h 17m

C$ 545

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles Los Angeles

Tue 16/6

5:35 a.m.-4:35 p.m.

1 stop8h 00m

Toronto Pearson Intl

Sun 21/6

5:45 p.m.-9:45 p.m.

1 stop7h 00m

C$ 545

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles Los Angeles

Thu 4/6

5:35 a.m.-5:21 p.m.

1 stop8h 46m

Toronto Pearson Intl

Wed 10/6

6:34 p.m.-12:22 a.m.

1 stop8h 48m

C$ 545

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles Los Angeles

Thu 4/6

5:35 a.m.-5:21 p.m.

1 stop8h 46m

Toronto Pearson Intl

Mon 8/6

5:45 p.m.-9:45 p.m.

1 stop7h 00m

C$ 545

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles Los Angeles

Mon 1/6

8:27 p.m.-5:35 a.m.

2 stops30h 08m

Ottawa

Sun 7/6

7:20 a.m.-2:05 p.m.

1 stop9h 45m

C$ 560

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles Los Angeles

Tue 26/5

12:13 a.m.-11:49 a.m.

1 stop8h 36m

Toronto Pearson Intl

Mon 1/6

7:43 p.m.-12:57 a.m.

1 stop8h 14m

C$ 560

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Los Angeles to Region of Ontario?

The best time to book flights from Los Angeles to Region of Ontario is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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$ 131). Flying from Los Angeles to Region of Ontario in March is currently the most expensive (average of C$ 1,215). 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 28 April 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 55% 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 25 April 2026.

Travelers seeking maximum savings on their Los Angeles to Region of Ontario flight should consider departing on Sunday evenings 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.

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 28 April 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
8.0
Very good
435 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
435 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.8
Good
542 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,672 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,327 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,974 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 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 Delta, WestJet, and United Airlines fly from Los Angeles to Region of Ontario in about 6h 20m. The time it takes to get you to your destination can typically vary by up to 2h 10m. The distance between Los Angeles and Region of Ontario is about 3492 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$ 82 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 Los Angeles - Toronto Pearson Intl, Los Angeles Los Angeles - Montreal Pierre Elliott Trudeau Intl or Los Angeles 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 (90%) or Air Canada (63%) 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$ 749 for a flight from Los Angeles to Region of Ontario. The cheapest flight overall is C$ 203 while the most popular route, (Los Angeles Los Angeles - Toronto Pearson Intl) is currently priced at C$ 387.

  • 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$ 131). Flying from Los Angeles to Region of Ontario in March is currently the most expensive (average of C$ 1,215). 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 6 airlines flying from Los Angeles to Ontario

Discover the top 6 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 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 157AverageC$ 301FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 180AverageC$ 845FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 187AverageC$ 588FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 210AverageC$ 599FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 297AverageC$ 683FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 340AverageC$ 718FlexibilityNo cancel feeOn-time69%
Search United 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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