How long is the flight from Los Angeles to Region of Ontario?

Airlines like WestJet, Air Canada, and Porter Airlines 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 4h 43m. 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$ 74 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$ 101 and C$ 122, respectively.

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.

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).

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 cheapest flights from Los Angeles to Region of Ontario?

On average you can expect to pay C$ 489 for a flight from Los Angeles to Region of Ontario. The cheapest flight overall is C$ 219 while the most popular route, (Los Angeles Los Angeles - Toronto Pearson Intl) is currently priced at C$ 438.

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 (86%), Austrian Airlines (82%) or ANA (77%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Los Angeles to Region of Ontario?

The most popular airlines flying from Los Angeles to Region of Ontario are Air Canada, Porter Airlines and WestJet. Something to consider prior to booking your flight.

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.

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.

C$ 175+ Cheap Flights from Los Angeles to Ontario

Cheap flight deals from Los Angeles to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 12 September 2026.

Sat 14/115:15 p.m. -

1 stop10h 35m

Mon 16/118:30 p.m. -

1 stop15h 49m

Deal found 8/9C$ 413

Sat 17/106:05 p.m. -

1 stop8h 30m

Tue 20/101:20 p.m. -

1 stop11h 45m

Deal found 10/9C$ 414

Wed 14/106:05 p.m. -

1 stop8h 30m

Wed 21/107:20 a.m. -

2 stops11h 40m

Deal found 9/9C$ 416

Wed 14/106:05 p.m. -

1 stop8h 30m

Sat 17/101:20 p.m. -

1 stop11h 45m

Deal found 8/9C$ 420

Wed 14/106:05 p.m. -

1 stop8h 30m

Fri 16/101:20 p.m. -

1 stop11h 45m

Deal found 8/9C$ 421

Tue 6/106:05 p.m. -

1 stop8h 30m

Tue 13/106:55 a.m. -

2 stops13h 15m

Deal found 10/9C$ 434

Wed 28/1010:05 a.m. -

2 stops11h 50m

Thu 5/118:30 p.m. -

1 stop14h 18m

Deal found 10/9C$ 438

Thu 8/106:05 p.m. -

1 stop8h 30m

Thu 15/101:20 p.m. -

1 stop11h 45m

Deal found 9/9C$ 441

Thu 1/1010:04 p.m. -

3 stops20h 31m

Sat 31/109:55 a.m. -

Nonstop5h 39m

Deal found 10/9C$ 441

Tue 27/1010:05 a.m. -

2 stops16h 55m

Tue 17/119:35 a.m. -

1 stop9h 35m

Deal found 8/9C$ 442

Tue 10/111:35 p.m. -

Nonstop4h 43m

Sat 14/117:00 a.m. -

1 stop12h 16m

Deal found 10/9C$ 443

Tue 27/1010:05 a.m. -

2 stops16h 55m

Sat 31/109:55 a.m. -

Nonstop5h 39m

Deal found 11/9C$ 445

Best flights from Los Angeles to Ontario
Discover carefully curated flight deals from Los Angeles to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Wed 14/106:05 p.m. -

1 stop8h 30m

Fri 16/101:20 p.m. -

1 stop11h 45m

Deal found 8/9C$ 421

Thu 29/1012:30 p.m. -

1 stop9h 26m

Wed 4/117:45 a.m. -

1 stop11h 56m

Deal found 11/9C$ 495

Thu 12/111:35 p.m. -

Nonstop4h 43m

Mon 16/119:55 a.m. -

Nonstop5h 39m

Deal found 8/9C$ 611

Mon 12/1010:05 p.m. -

1 stop10h 14m

Mon 19/106:10 p.m. -

1 stop7h 24m

Deal found 8/9C$ 646

Fri 16/107:30 a.m. -

1 stop9h 20m

Sun 18/106:05 a.m. -

1 stop14h 05m

Deal found 8/9C$ 650

Mon 21/911:20 p.m. -

1 stop7h 44m

Tue 22/91:00 p.m. -

1 stop7h 37m

Deal found 6/9C$ 677

Sat 24/103:37 p.m. -

2 stops21h 28m

Tue 3/115:15 p.m. -

2 stops18h 59m

Deal found 10/9C$ 709

Tue 6/106:05 p.m. -

1 stop8h 30m

Tue 13/106:55 a.m. -

2 stops13h 15m

Deal found 10/9C$ 434

Thu 1/106:05 p.m. -

1 stop20h 10m

Mon 5/106:50 a.m. -

2 stops13h 20m

Deal found 10/9C$ 515

Sun 18/102:15 p.m. -

1 stop7h 10m

Tue 20/107:00 a.m. -

1 stop9h 20m

Deal found 7/9C$ 619

Thu 8/107:30 a.m. -

2 stops25h 05m

Tue 20/106:50 a.m. -

2 stops13h 20m

Deal found 9/9C$ 538

Fri 9/106:05 p.m. -

1 stop8h 30m

Sun 11/104:00 p.m. -

2 stops18h 34m

Deal found 11/9C$ 668

Sat 17/102:15 p.m. -

1 stop7h 10m

Mon 19/107:00 a.m. -

1 stop9h 20m

Deal found 7/9C$ 623

Sat 24/1010:05 p.m. -

1 stop7h 44m

Tue 3/116:33 p.m. -

1 stop9h 10m

Deal found 7/9C$ 689

Tue 13/1010:30 p.m. -

1 stop8h 35m

Thu 15/1012:30 p.m. -

1 stop10h 24m

Deal found 10/9C$ 694

Sun 25/107:15 a.m. -

1 stop9h 22m

Sat 31/106:05 a.m. -

2 stops14h 50m

Deal found 9/9C$ 673

Sat 10/1010:50 a.m. -

1 stop7h 42m

Fri 16/101:00 p.m. -

1 stop7h 37m

Deal found 8/9C$ 754

Thu 12/1111:53 a.m. -

1 stop8h 04m

Mon 16/116:10 p.m. -

1 stop7h 24m

Deal found 7/9C$ 689

Fri 9/106:05 p.m. -

1 stop8h 30m

Sun 11/104:15 p.m. -

1 stop25h 30m

Deal found 11/9C$ 571

Fri 25/97:00 p.m. -

1 stop17h 14m

Thu 1/1010:25 a.m. -

Nonstop5h 20m

Deal found 10/9C$ 682

Thu 22/107:15 a.m. -

1 stop6h 29m

Sun 1/116:10 p.m. -

1 stop7h 25m

Deal found 7/9C$ 689

Fri 16/107:30 a.m. -

1 stop8h 50m

Sun 18/107:20 a.m. -

1 stop10h 25m

Deal found 8/9C$ 576

Thu 1/106:05 p.m. -

3 stops25h 20m

Sun 4/107:25 a.m. -

2 stops34h 20m

Deal found 11/9C$ 689

Wed 30/96:05 p.m. -

2 stops15h 25m

Sun 4/106:25 p.m. -

2 stops21h 00m

Deal found 8/9C$ 592

Thu 29/101:35 p.m. -

1 stop8h 00m

Fri 13/115:55 p.m. -

2 stops21h 39m

Deal found 11/9C$ 795

Fri 2/1010:35 p.m. -

1 stop8h 38m

Mon 5/103:15 p.m. -

1 stop12h 30m

Deal found 11/9C$ 924

Fri 25/91:25 p.m. -

1 stop7h 29m

Sun 27/97:25 a.m. -

Nonstop5h 20m

Deal found 11/9C$ 697

Tue 29/97:30 a.m. -

1 stop9h 20m

Fri 2/108:40 p.m. -

1 stop20h 25m

Deal found 10/9C$ 628

Fri 25/95:43 p.m. -

1 stop10h 17m

Mon 28/97:25 a.m. -

Nonstop5h 20m

Deal found 9/9C$ 697

Thu 22/102:15 p.m. -

1 stop7h 22m

Thu 29/105:55 p.m. -

2 stops21h 39m

Deal found 7/9C$ 920

Find flight deals from Los Angeles to Ontario

Round-trip from	C$ 413
One-way from	C$ 175
Popular in	July
Cheapest in	January
Average price	C$ 611
Good round-trip deal	C$ 535 or less
Good one-way deal	C$ 329 or less

14/11-16/11
2 total stops
26h 24m total
Los Angeles to Ontario

Search Deals

5/10-31/12
2 total stops
19h 28m 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. 2% potential price decrease (C$ 25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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

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 AngelesOttawa

LAX Los Angeles Los Angeles - YOW Ottawa

LAXYOW

Los Angeles Los Angeles

Mon 5/10

8:52 p.m.-7:20 p.m.

2 stops19h 28m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 175

Los AngelesOttawa

LAX Los Angeles Los Angeles - YOW Ottawa

LAXYOW

Los Angeles Los Angeles

Thu 4/2

7:40 a.m.-7:30 p.m.

1 stop8h 50m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 249

Los AngelesOttawa

LAX Los Angeles Los Angeles - YOW Ottawa

LAXYOW

Los Angeles Los Angeles

Sun 4/10

6:05 p.m.-12:30 p.m.

2 stops15h 25m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 251

Los AngelesOttawa

LAX Los Angeles Los Angeles - YOW Ottawa

LAXYOW

Los Angeles Los Angeles

Sat 3/10

8:44 a.m.-5:15 p.m.

2 stops29h 31m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 254

Los AngelesToronto

LAX Los Angeles Los Angeles - YYZ Toronto Pearson Intl

LAXYYZ

Los Angeles Los Angeles

Fri 9/10

9:50 p.m.-10:23 a.m.

1 stop9h 33m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 260

Los AngelesToronto

LAX Los Angeles Los Angeles - YYZ Toronto Pearson Intl

LAXYYZ

Los Angeles Los Angeles

Tue 6/10

11:45 a.m.-11:59 p.m.

2 stops9h 14m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 260

Quickest round-trip

Los AngelesToronto

LAX Los Angeles Los Angeles - YYZ Toronto Pearson Intl

LAXYYZ

Los Angeles Los Angeles

Mon 26/10

1:35 p.m.-9:18 p.m.

Nonstop4h 43m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 260

Los AngelesToronto

LAX Los Angeles Los Angeles - YYZ Toronto Pearson Intl

LAXYYZ

Los Angeles Los Angeles

Fri 13/11

7:03 p.m.-3:02 p.m.

1 stop16h 59m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 269

Los AngelesToronto

LAX Los Angeles Los Angeles - YYZ Toronto Pearson Intl

LAXYYZ

Los Angeles Los Angeles

Sun 22/11

6:35 p.m.-1:05 p.m.

2 stops15h 30m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 272

Los AngelesOttawa

LAX Los Angeles Los Angeles - YOW Ottawa

LAXYOW

Los Angeles Los Angeles

Sun 22/11

6:35 p.m.-2:30 p.m.

2 stops16h 55m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 276

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

LAX-YOW

LAX-YYZ

LAX-YTZ

LAX-YKF

LAX-YHM

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

LAX-CAON

LAX-YOW

LAX-YYZ

LAX-YTZ

LAX-YKF

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$ 528). Flying from Los Angeles to Region of Ontario in July is currently the most expensive (average of C$ 820). 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?

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 afternoon, which can drop the price by up to 31% versus a flight in the morning.

Weekly flight availability from Los Angeles to Region of Ontario

The most flights from LAX to CAON are scheduled on a Thursday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 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$ 409 and C$ 784 in November.
The cheapest round-trip price found within the last 5 days was C$ 413 on Multiple Airlines (14 Nov-16 Nov).

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 89 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?

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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from Los Angeles to Ontario, such as Porter Airlines,United Airlines, andWestJet. 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

460 reviews

Check prices

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

460 reviews

Porter Airlines

8.0

Very good

460 reviews

Check prices

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

10,207 reviews

Porter Airlines

8.0

Very good

460 reviews

Check prices

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

3,445 reviews

Porter Airlines

8.0

Very good

460 reviews

Check prices

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

American Airlines

7.1

Good

12,050 reviews

Porter Airlines

8.0

Very good

460 reviews

Check prices

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

11,619 reviews

Porter Airlines

8.0

Very good

460 reviews

Check prices

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

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, Air Canada, and Porter Airlines 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 4h 43m. 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$ 74 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$ 101 and C$ 122, 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 (86%), Austrian Airlines (82%) or ANA (77%) 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$ 489 for a flight from Los Angeles to Region of Ontario. The cheapest flight overall is C$ 219 while the most popular route, (Los Angeles Los Angeles - Toronto Pearson Intl) is currently priced at C$ 438.
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$ 528). Flying from Los Angeles to Region of Ontario in July is currently the most expensive (average of C$ 820). 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

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Alternative routes for Los Angeles to Ontario

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Top 5 airlines flying from Los Angeles to Ontario

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 220	AverageC$ 465	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
American Airlines	CheapestC$ 261	AverageC$ 859	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	CheapestC$ 304	AverageC$ 750	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 305	AverageC$ 673	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 576	AverageC$ 1,364	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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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Cheap flights from Los Angeles to Ontario from C$ 175

This is the cheapest round-trip 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.

Cheap flight deals from Los Angeles to Ontario

Cheapest flights from Los Angeles to OntarioExplore 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 12 September 2026.

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 12 September 2026.

Best flights from Los Angeles to OntarioDiscover carefully curated flight deals from Los Angeles to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Discover carefully curated flight deals from Los Angeles to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Direct flights from Los Angeles to OntarioExplore direct flight options from Los Angeles to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 September 2026.

Explore direct flight options from Los Angeles to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 September 2026.

Last-minute flights from Los Angeles to OntarioDiscover last-minute flight deals from Los Angeles to Ontario. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from Los Angeles to Ontario. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Los Angeles to OntarioSearch for one-way flight options from Los Angeles to Ontario. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Search for one-way flight options from Los Angeles to Ontario. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Find flight deals from Los Angeles to Ontario

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Los Angeles to Ontario that are best for you.

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.

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

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 12 September 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 afternoon, which can drop the price by up to 31% versus a flight in the morning.

Weekly flight availability from Los Angeles to Region of Ontario

The most flights from LAX to CAON are scheduled on a Thursday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 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$ 409 and C$ 784 in November.The cheapest round-trip price found within the last 5 days was C$ 413 on Multiple Airlines (14 Nov-16 Nov).

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 89 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 5 September 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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from Los Angeles to Ontario, such as Porter Airlines,United Airlines, andWestJet. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Los Angeles to Ontario?

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What are the cheapest airlines to fly from Los Angeles to Region of Ontario one-way?

What are the most popular routes from Los Angeles to Region of Ontario?

What are the most reliable airlines from Los Angeles to Region of Ontario?

What are the cheapest flights from Los Angeles to Region of Ontario?

Can I find deals for flights from Los Angeles to Ontario that include hotel bookings?

How can I find direct flights from Los Angeles to Ontario?

Can I find deals for business class flights from Los Angeles to Ontario?

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

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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.

Complete your trip

Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Canada

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Los Angeles and Ontario flights

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Top 5 airlines flying from Los Angeles to Ontario

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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 12 September 2026.

Best flights from Los Angeles to Ontario
Discover carefully curated flight deals from Los Angeles to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Direct flights from Los Angeles to Ontario
Explore direct flight options from Los Angeles to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 September 2026.

Last-minute flights from Los Angeles to Ontario
Discover last-minute flight deals from Los Angeles to Ontario. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Los Angeles to Ontario
Search for one-way flight options from Los Angeles to Ontario. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Los Angeles to Region of Ontario flights typically cost between C$ 409 and C$ 784 in November.
The cheapest round-trip price found within the last 5 days was C$ 413 on Multiple Airlines (14 Nov-16 Nov).