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Cheap flights from Los Angeles to Ontario from C$ 241

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
26 Aug — 2 Sep1
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 27 July 2026.

Fri 23/1012:10 p.m.
LAX
-
YYZ
1 stop9h 55m
WestJet
Fri 30/101:30 p.m.
YYZ
-
LAX
1 stop11h 33m
WestJet
Deal found 23/7C$ 457
Fri 23/1012:10 p.m.
LAX
-
YYZ
1 stop9h 55m
WestJet
Sat 31/101:30 p.m.
YYZ
-
LAX
1 stop11h 33m
WestJet
Deal found 24/7C$ 458
Wed 21/1012:10 p.m.
LAX
-
YYZ
1 stop9h 55m
WestJet
Mon 26/101:30 p.m.
YYZ
-
LAX
1 stop11h 33m
WestJet
Deal found 25/7C$ 459
Fri 23/1012:10 p.m.
LAX
-
YYZ
1 stop9h 55m
WestJet
Sun 1/117:45 a.m.
YYZ
-
LAX
1 stop11h 13m
WestJet
Deal found 23/7C$ 461
Fri 18/97:30 a.m.
LAX
-
YYZ
2 stops14h 35m
WestJet
Tue 29/96:00 a.m.
YYZ
-
LAX
1 stop9h 25m
WestJet
Deal found 26/7C$ 462
Fri 23/1012:10 p.m.
LAX
-
YYZ
1 stop9h 55m
WestJet
Tue 3/111:30 p.m.
YYZ
-
LAX
1 stop10h 33m
WestJet
Deal found 25/7C$ 465
Fri 23/1012:10 p.m.
LAX
-
YYZ
1 stop9h 55m
Multiple Airlines
Tue 3/119:55 a.m.
YYZ
-
LAX
Nonstop5h 39m
Multiple Airlines
Deal found 24/7C$ 466
Fri 23/1012:10 p.m.
LAX
-
YYZ
1 stop9h 55m
WestJet
Thu 5/111:30 p.m.
YYZ
-
LAX
1 stop10h 33m
WestJet
Deal found 25/7C$ 468
Sun 13/96:05 p.m.
LAX
-
YYZ
3 stops22h 50m
Multiple Airlines
Sat 19/96:35 p.m.
YYZ
-
LAX
Nonstop5h 20m
Multiple Airlines
Deal found 26/7C$ 469
Fri 11/97:30 a.m.
LAX
-
YYZ
2 stops14h 35m
WestJet
Mon 14/910:00 a.m.
YYZ
-
LAX
1 stop10h 10m
WestJet
Deal found 26/7C$ 471
Mon 19/107:30 a.m.
LAX
-
YKF
1 stop9h 20m
WestJet
Fri 23/108:40 p.m.
YKF
-
LAX
1 stop18h 45m
WestJet
Deal found 24/7C$ 483
Sun 13/98:15 a.m.
LAX
-
YTZ
1 stop8h 35m
Air Canada
Sat 19/912:30 p.m.
YTZ
-
LAX
1 stop10h 24m
Air Canada
Deal found 23/7C$ 485

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 27 July 2026.

Round-trip from

C$ 457

One-way from

C$ 241

Popular in

July

Cheapest in

October

Average price

C$ 831

Good round-trip deal

C$ 256 or less

Good one-way deal

C$ 290 or less
WestJet
  • WestJet
  • 23/10-30/10
  • 2 total stops
  • 21h 28m total
  • Los Angeles to Ontario
Search Deals
WestJet
  • WestJet
  • 5/10
  • 3 total stops
  • 26h 00m total
  • Los Angeles to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 27 July 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 - YKF

LAXYKF

Los Angeles Los Angeles

Sat 3/10

7:30 a.m.-7:50 p.m.

1 stop9h 20m

Toronto Region of Waterloo Intl

Mon 12/10

8:40 p.m.-12:25 p.m.

1 stop18h 45m

C$ 548

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles Los Angeles

Thu 1/10

7:30 a.m.-7:50 p.m.

1 stop9h 20m

Toronto Region of Waterloo Intl

Sun 4/10

8:40 p.m.-11:20 a.m.

2 stops17h 40m

C$ 582

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles Los Angeles

Mon 17/8

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

1 stop8h 30m

Ottawa

Sat 22/8

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

2 stops13h 00m

C$ 590

Los AngelesHamilton

LAX - YHM

LAXYHM

Los Angeles Los Angeles

Sun 13/9

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

3 stops20h 30m

Hamilton

Sat 19/9

6:05 a.m.-10:05 p.m.

3 stops19h 00m

C$ 614

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles Los Angeles

Tue 25/8

6:05 p.m.-5:15 p.m.

1 stop20h 10m

Ottawa

Tue 1/9

1:20 p.m.-10:05 p.m.

1 stop11h 45m

C$ 628

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles Los Angeles

Tue 25/8

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

2 stops20h 30m

Ottawa

Thu 27/8

6:55 a.m.-5:10 p.m.

2 stops13h 15m

C$ 644

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles Los Angeles

Mon 31/8

6:05 p.m.-3:20 p.m.

2 stops18h 15m

Toronto Region of Waterloo Intl

Sun 6/9

6:05 a.m.-5:10 p.m.

1 stop14h 05m

C$ 655
Quickest round-trip

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles Los Angeles

Fri 21/8

2:15 p.m.-11:59 p.m.

1 stop6h 44m

Toronto Pearson Intl

Mon 21/9

8:30 a.m.-10:34 a.m.

Nonstop5h 04m

C$ 657

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles Los Angeles

Wed 2/9

10:53 a.m.-9:32 p.m.

1 stop7h 39m

Toronto Pearson Intl

Sun 6/9

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

Nonstop5h 18m

C$ 657

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles Los Angeles

Fri 21/8

6:45 p.m.-7:00 a.m.

1 stop9h 15m

Toronto Pearson Intl

Wed 23/9

8:30 a.m.-10:34 a.m.

Nonstop5h 04m

C$ 658

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

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

What is the cheapest month to book a flight from Los Angeles to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from Los Angeles to Region of Ontario (average of C$ 476). Flying from Los Angeles to Region of Ontario in July is currently the most expensive (average of C$ 831). 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 27 July 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 52% versus a flight in the morning.

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 27 July 2026.

The most flights from LAX to CAON are scheduled on a Saturday (21 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (16 on average).

How much does it cost to fly round-trip from Los Angeles to Region of Ontario?

Airfare is typical for this route at the moment.
Los Angeles to Region of Ontario flights typically cost between C$ 407 and C$ 869 in October.
The cheapest round-trip price found within the last 5 days was C$ 457 on WestJet (23 Oct-30 Oct).

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 30 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 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 July 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.

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 27 July 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
448 reviews
Check prices

Food

7.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
448 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Transat
7.8
Good
568 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,042 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,415 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,391 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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 WestJet, Delta, and United Airlines fly from Los Angeles to Region of Ontario in about 7h 10m. 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$ 75 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Porter Airlines and Delta, with prices starting from C$ 113 and C$ 124, 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 (94%), Austrian Airlines (88%) or Singapore Airlines (81%) 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$ 551 for a flight from Los Angeles to Region of Ontario. The cheapest flight overall is C$ 199 while the most popular route, (Los Angeles Los Angeles - Toronto Pearson Intl) is currently priced at C$ 464.

  • 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, October is the cheapest month in which you can book a flight from Los Angeles to Region of Ontario (average of C$ 476). Flying from Los Angeles to Region of Ontario in July is currently the most expensive (average of C$ 831). 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 27 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 149AverageC$ 687FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 163AverageC$ 327FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 289AverageC$ 627FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 298AverageC$ 747FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 524AverageC$ 1,387FlexibilityNo 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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