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Cheap flights from Los Angeles to Ontario from C$ 257

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
13 Jul — 20 Jul1
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 13 June 2026.

Wed 26/811:59 p.m.
LAX
-
YTZ
1 stop14h 56m
Multiple Airlines
Tue 1/91:40 p.m.
YTZ
-
LAX
1 stop13h 03m
Multiple Airlines
Deal found 11/6C$ 470
Tue 1/911:59 p.m.
LAX
-
YTZ
1 stop11h 26m
Multiple Airlines
Tue 15/91:40 p.m.
YTZ
-
LAX
2 stops22h 32m
Multiple Airlines
Deal found 9/6C$ 481
Tue 1/98:15 p.m.
LAX
-
YYZ
1 stop7h 24m
Multiple Airlines
Tue 15/97:00 a.m.
YYZ
-
LAX
2 stops11h 52m
Multiple Airlines
Deal found 12/6C$ 502
Wed 8/76:30 a.m.
LAX
-
YYZ
1 stop21h 09m
Multiple Airlines
Wed 22/77:00 a.m.
YYZ
-
LAX
2 stops16h 03m
Multiple Airlines
Deal found 12/6C$ 506
Sat 19/92:20 p.m.
LAX
-
YYZ
Nonstop4h 40m
Porter Airlines
Tue 22/911:05 a.m.
YYZ
-
LAX
Nonstop5h 15m
Porter Airlines
Deal found 8/6C$ 509
Tue 28/76:30 a.m.
LAX
-
YYZ
1 stop7h 39m
Multiple Airlines
Wed 5/810:50 a.m.
YYZ
-
LAX
2 stops12h 13m
Multiple Airlines
Deal found 9/6C$ 512
Tue 7/76:30 a.m.
LAX
-
YYZ
1 stop21h 09m
Multiple Airlines
Wed 22/77:00 a.m.
YYZ
-
LAX
2 stops16h 03m
Multiple Airlines
Deal found 9/6C$ 513
Tue 18/88:15 p.m.
LAX
-
YYZ
1 stop7h 24m
Multiple Airlines
Tue 25/87:00 a.m.
YYZ
-
LAX
2 stops15h 20m
Multiple Airlines
Deal found 12/6C$ 514
Tue 1/98:15 p.m.
LAX
-
YYZ
1 stop7h 24m
Multiple Airlines
Tue 8/98:35 p.m.
YYZ
-
LAX
1 stop17h 17m
Multiple Airlines
Deal found 12/6C$ 520
Wed 12/86:30 a.m.
LAX
-
YYZ
1 stop7h 39m
Multiple Airlines
Tue 18/87:00 a.m.
YYZ
-
LAX
2 stops15h 20m
Multiple Airlines
Deal found 10/6C$ 521
Tue 25/88:15 p.m.
LAX
-
YYZ
1 stop7h 24m
Multiple Airlines
Wed 9/97:00 a.m.
YYZ
-
LAX
2 stops11h 52m
Multiple Airlines
Deal found 11/6C$ 523
Tue 7/76:30 a.m.
LAX
-
YYZ
1 stop7h 39m
Multiple Airlines
Wed 15/710:00 a.m.
YYZ
-
LAX
2 stops13h 03m
Multiple Airlines
Deal found 9/6C$ 524

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 13 June 2026.

Round-trip from

C$ 470

One-way from

C$ 257

Popular in

June

Cheapest in

September

Average price

C$ 705

Good round-trip deal

C$ 340 or less

Good one-way deal

C$ 353 or less
26/8-1/9
  • 26/8-1/9
  • 2 total stops
  • 27h 59m total
  • Los Angeles to Ontario
Search Deals
WestJet
  • WestJet
  • 10/9
  • 2 total stops
  • 11h 05m total
  • Los Angeles to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Los Angeles to Ontario.
Search Deals
Price to beat on a one-way flight from 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 13 June 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 - YTZ

LAXYTZ

Los Angeles

Wed 8/7

11:59 p.m.-6:00 p.m.

1 stop15h 01m

Toronto Island

Wed 15/7

8:50 a.m.-11:57 p.m.

1 stop18h 07m

C$ 642

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Sun 20/9

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

1 stop9h 20m

Toronto Region of Waterloo Intl

Sun 27/9

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

1 stop18h 45m

C$ 643

Los AngelesHamilton

LAX - YHM

LAXYHM

Los Angeles

Wed 19/8

3:00 p.m.-5:15 p.m.

1 stop23h 15m

Hamilton

Sun 30/8

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

1 stop26h 00m

C$ 660

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Wed 12/8

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

1 stop9h 20m

Toronto Region of Waterloo Intl

Wed 9/9

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

2 stops17h 40m

C$ 678

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Fri 2/10

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

1 stop9h 20m

Toronto Region of Waterloo Intl

Sun 4/10

7:05 p.m.-10:05 p.m.

3 stops30h 00m

C$ 684

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Wed 5/8

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

1 stop9h 20m

Toronto Region of Waterloo Intl

Wed 2/9

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

3 stops18h 55m

C$ 688

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Wed 19/8

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

1 stop9h 20m

Toronto Region of Waterloo Intl

Wed 26/8

8:40 p.m.-2:05 p.m.

1 stop20h 25m

C$ 693

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Mon 3/8

6:05 p.m.-7:50 p.m.

1 stop22h 45m

Toronto Region of Waterloo Intl

Wed 12/8

8:40 p.m.-4:00 p.m.

2 stops22h 20m

C$ 695
Quickest round-trip

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Mon 6/7

10:35 p.m.-9:54 a.m.

1 stop8h 19m

Toronto Pearson Intl

Wed 15/7

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

Nonstop5h 18m

C$ 699

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Wed 12/8

11:45 a.m.-7:00 a.m.

1 stop16h 15m

Toronto Pearson Intl

Sun 16/8

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

Nonstop5h 00m

C$ 699

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

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, January is the cheapest month in which you can book a flight from Los Angeles to Region of Ontario (average of C$ 134). Flying from Los Angeles to Region of Ontario in March is currently the most expensive (average of C$ 1,248). 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 13 June 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 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 13 June 2026.

The most flights from LAX to CAON are scheduled on a Monday (20 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (19 on average).

How much does it cost to fly round-trip from Los Angeles to Region of 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 79 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 8 June 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 13 June 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
438 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Transat
7.8
Good
555 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,815 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
WestJet
7.2
Good
3,359 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,172 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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, United Airlines, and Delta fly from Los Angeles to Region of Ontario in about 4h 43m. The time it takes to get you to your destination can typically vary by up to 18h 32m. 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$ 85 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$ 115 and C$ 123, 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 (97%), Austrian Airlines (92%) or American Airlines (80%) 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$ 634 for a flight from Los Angeles to Region of Ontario. The cheapest flight overall is C$ 215 while the most popular route, (Los Angeles - Toronto Pearson Intl) is currently priced at C$ 521.

  • 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$ 134). Flying from Los Angeles to Region of Ontario in March is currently the most expensive (average of C$ 1,248). 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 13 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 152AverageC$ 309FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 215AverageC$ 648FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 215AverageC$ 618FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 383AverageC$ 704FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 387AverageC$ 891FlexibilityNo 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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