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

The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from Porter Airlines and Flair Airlines, as they are both options that can get you from Los Angeles to Region of Ontario for a low price.

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

While some choose either Los Angeles - Montreal Pierre Elliott Trudeau Intl or Los Angeles - Toronto Island, Los Angeles - Toronto Pearson Intl is the most popular route from Los Angeles to Region of Ontario.

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

While on average a flight from Los Angeles to Region of Ontario is generally $1,465, our data shows the cheapest flight currently is $86. When looking at the most popular route, (Los Angeles - Toronto Pearson Intl), you can expect to pay $187 for that flight.

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

Before booking your flight to Region of Ontario from Los Angeles, check out the most reliable airlines to get you to your destination on time: Austrian Airlines (86%), Porter Airlines (77%), Air Transat( 77%).

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

Before booking your flight from Los Angeles to Region of Ontario check out the most popular airlines for this route: American Airlines, Air Canada or Delta.

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

Travelers have found it’s best to book a flight 47 days in advance to save up to 68% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 47 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Los Angeles to Region of Ontario 1-2 weeks in advance for as low as $283, or $463 for flights within the next 24 hours.

What is the cheapest month to fly from Los Angeles to Region of Ontario?

September is one of the best times of the year to fly to Region of Ontario from Los Angeles. Prices for September average $344 per person but you can even find prices for as low as $119. The most expensive prices can be found in the month of December. Opting for a September flight can save you 26% on your journey compared to booking in December

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

If you book a flight to Ontario from Los Angeles, you will be flying from Los Angeles, which is the city’s only airport. Los Angeles (LAX) is located 9.4 mi from the center of Los Angeles.

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.

$99+ Save on Flights from Los Angeles to Ontario

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Cheap flight deals from Los Angeles to Ontario

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$176 (Kiwi.com)
One-way from	$99 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$345
Good round-trip deal	$255 or less
Good one-way deal	$130 or less

Provider with most accurate pricing for Los Angeles-Toronto (YTO) flight deals.

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Provider most trusted by Cheapflights users for Los Angeles-Toronto (YTO) flights.

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From Los Angeles to Ontario

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One-way flight from Los Angeles to Ontario

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($25 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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.

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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 March 25, 2025.

Wed 6/113:00 pmLAX - YYZ

2 stops11h 51mWestJet

Fri 6/207:45 pmYYZ - LAX

Nonstop5h 25mWestJet

Deal found 3/23

$176

Thu 5/154:05 pmLAX - YYZ

Nonstop4h 53mMultiple Airlines

Mon 5/197:45 pmYYZ - LAX

Nonstop5h 25mMultiple Airlines

Deal found 3/23

$189

Mon 5/1211:40 amLAX - YKF

1 stop10h 06mWestJet

Sun 5/256:00 amYKF - LAX

1 stop11h 12mWestJet

Deal found 3/24

$207

Fri 5/1611:40 amLAX - YHM

1 stop10h 01mWestJet

Sat 5/316:00 amYHM - LAX

1 stop11h 12mWestJet

Deal found 3/24

$212

Mon 5/51:10 pmLAX - YYZ

Nonstop4h 53mPorter Airlines

Mon 5/129:45 amYYZ - LAX

Nonstop5h 25mPorter Airlines

Deal found 3/24

$222

Thu 5/810:20 pmLAX - YTZ

2 stops10h 12mAir Canada

Fri 5/2310:20 amYTZ - LAX

2 stops12h 30mAir Canada

Deal found 3/24

$236

Tue 5/611:40 amLAX - YUL

1 stop10h 03mMultiple Airlines

Mon 5/126:45 amYUL - LAX

1 stop8h 25mMultiple Airlines

Deal found 3/24

$239

Fri 5/1611:30 amLAX - YKF

1 stop16h 40mMultiple Airlines

Sat 5/316:00 amYKF - LAX

1 stop11h 12mMultiple Airlines

Deal found 3/23

$241

Fri 5/97:00 amLAX - YOW

2 stops14h 22mMultiple Airlines

Fri 5/1611:55 amYOW - LAX

1 stop9h 59mMultiple Airlines

Deal found 3/25

$241

Thu 5/81:10 pmLAX - YUL

1 stop8h 27mPorter Airlines

Sun 5/116:45 amYUL - LAX

1 stop8h 25mPorter Airlines

Deal found 3/25

$243

Thu 5/111:30 amLAX - YKF

1 stop16h 40mFlair Airlines

Sun 5/48:25 pmYKF - LAX

1 stop17h 20mFlair Airlines

Deal found 3/23

$245

Tue 5/611:40 amLAX - YUL

1 stop10h 03mWestJet

Mon 5/126:45 amYUL - LAX

2 stops13h 32mWestJet

Deal found 3/24

$245

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 March 25, 2025.

Wed 6/113:00 pmLAX - YYZ

2 stops11h 51mWestJet

Fri 6/207:45 pmYYZ - LAX

Nonstop5h 25mWestJet

Deal found 3/23

$176

Thu 5/154:05 pmLAX - YYZ

Nonstop4h 53mMultiple Airlines

Mon 5/197:45 pmYYZ - LAX

Nonstop5h 25mMultiple Airlines

Deal found 3/23

$189

Wed 5/71:10 pmLAX - YYZ

Nonstop4h 53mPorter Airlines

Wed 5/149:45 amYYZ - LAX

Nonstop5h 25mPorter Airlines

Deal found 3/23

$215

Thu 5/810:20 pmLAX - YTZ

2 stops10h 12mAir Canada

Fri 5/2310:20 amYTZ - LAX

2 stops12h 30mAir Canada

Deal found 3/24

$236

Thu 5/111:30 amLAX - YKF

1 stop16h 40mFlair Airlines

Sun 5/48:25 pmYKF - LAX

1 stop17h 20mFlair Airlines

Deal found 3/23

$245

Tue 5/612:56 amLAX - YYZ

1 stop12h 23mUnited Airlines

Wed 5/1412:15 pmYYZ - LAX

Nonstop5h 24mUnited Airlines

Deal found 3/23

$272

Thu 4/1712:45 amLAX - YYZ

1 stop8h 14mDelta

Wed 4/236:10 pmYYZ - LAX

1 stop8h 17mDelta

Deal found 3/23

$318

Fri 4/1111:05 pmLAX - YYZ

1 stop8h 15mAmerican Airlines

Wed 4/1611:45 amYYZ - LAX

1 stop8h 06mAmerican Airlines

Deal found 3/23

$328

Mon 5/1211:40 amLAX - YKF

1 stop10h 06mWestJet

Sun 5/256:00 amYKF - LAX

1 stop11h 12mWestJet

Deal found 3/24

$207

Fri 5/1611:40 amLAX - YHM

1 stop10h 01mWestJet

Sat 5/316:00 amYHM - LAX

1 stop11h 12mWestJet

Deal found 3/24

$212

Thu 5/112:35 pmLAX - YOW

2 stops13h 55mMultiple Airlines

Mon 5/57:00 amYOW - LAX

1 stop8h 10mMultiple Airlines

Deal found 3/22

$238

Sat 5/171:10 pmLAX - YUL

1 stop8h 27mPorter Airlines

Wed 5/216:45 amYUL - LAX

1 stop8h 25mPorter Airlines

Deal found 3/24

$256

Last-minute flights from Los Angeles to Ontario
Discover last-minute flight deals from Los Angeles to Ontario. Data last updated March 25, 2025 and is based on user searches.

Tue 4/11:25 pmLAX - YUL

1 stop8h 10mPorter Airlines

Fri 4/46:45 amYUL - LAX

1 stop8h 35mPorter Airlines

Deal found 3/23

$299

Tue 4/111:04 amLAX - YTZ

2 stops28h 49mMultiple Airlines

Mon 4/74:10 pmYTZ - LAX

2 stops26h 40mMultiple Airlines

Deal found 3/23

$339

Tue 4/18:30 amLAX - YTZ

1 stop10h 05mAir Canada

Tue 4/812:25 pmYTZ - LAX

1 stop10h 57mAir Canada

Deal found 3/24

$562

Wed 4/21:25 pmLAX - YUL

1 stop8h 10mMultiple Airlines

Sat 4/56:45 amYUL - LAX

2 stops31h 14mMultiple Airlines

Deal found 3/25

$343

Thu 4/310:30 amLAX - YOW

1 stop8h 35mUnited Airlines

Sun 4/67:29 pmYOW - LAX

1 stop16h 29mUnited Airlines

Deal found 3/25

$488

Thu 4/38:15 pmLAX - YUL

2 stops25h 24mWestJet

Sun 4/66:45 amYUL - LAX

2 stops39h 45mWestJet

Deal found 3/24

$519

Fri 4/48:15 pmLAX - YYZ

2 stops18h 12mWestJet

Sat 4/121:50 pmYYZ - LAX

1 stop10h 54mWestJet

Deal found 3/23

$489

Mon 4/712:10 pmLAX - YYZ

2 stops15h 07mMultiple Airlines

Tue 4/88:00 pmYYZ - LAX

1 stop15h 01mMultiple Airlines

Deal found 3/24

$212

Mon 4/77:00 amLAX - YYZ

Nonstop4h 48mPorter Airlines

Sat 4/125:30 pmYYZ - LAX

Nonstop5h 35mPorter Airlines

Deal found 3/24

$344

Mon 4/712:58 amLAX - YYZ

1 stop8h 42mAmerican Airlines

Sat 4/121:15 pmYYZ - LAX

1 stop11h 42mAmerican Airlines

Deal found 3/23

$374

Mon 4/77:00 amLAX - YYZ

Nonstop4h 48mAir Transat

Sat 4/125:30 pmYYZ - LAX

Nonstop5h 35mAir Transat

Deal found 3/24

$382

Mon 4/77:45 amLAX - YYZ

Nonstop4h 45mAir Canada

Mon 4/76:55 pmYYZ - LAX

Nonstop5h 24mAir Canada

Deal found 3/24

$424

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 March 25, 2025.

Mon 5/1210:10 pmLAX - YYZ

3 stops28h 41mMultiple Airlines

Deal found 3/24

$99

Sun 5/1111:40 amLAX - YKF

1 stop10h 06mWestJet

Deal found 3/24

$100

Thu 5/811:40 amLAX - YHM

1 stop10h 01mWestJet

Deal found 3/23

$100

Mon 6/911:10 pmLAX - YYZ

Nonstop4h 50mWestJet

Deal found 3/24

$101

Mon 4/287:35 amLAX - YYZ

Nonstop4h 48mPorter Airlines

Deal found 3/24

$106

Sat 6/143:00 pmLAX - YOW

2 stops11h 30mWestJet

Deal found 3/24

$112

Thu 4/2411:30 amLAX - YYZ

1 stop16h 45mFlair Airlines

Deal found 3/23

$112

Sun 5/2510:20 pmLAX - YOW

1 stop9h 05mAir Canada

Deal found 3/24

$114

Tue 4/158:30 amLAX - YTZ

1 stop8h 20mAir Canada

Deal found 3/24

$115

Sun 4/137:00 amLAX - YYZ

1 stop12h 49mAmerican Airlines

Deal found 3/23

$115

Tue 4/223:11 pmLAX - YTZ

2 stops24h 42mMultiple Airlines

Deal found 3/24

$116

Thu 4/101:04 pmLAX - YKF

3 stops33h 12mMultiple Airlines

Deal found 3/24

$121

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

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Wed 6/11

3:00 pm-5:51 am

2 stops11h 51m

Toronto Pearson Intl

Fri 6/20

7:45 pm-10:10 pm

Nonstop5h 25m

$176

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 5/15

4:05 pm-11:58 pm

Nonstop4h 53m

Toronto Pearson Intl

Mon 5/19

7:45 pm-10:10 pm

Nonstop5h 25m

$189

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Mon 5/12

11:40 am-12:46 am

1 stop10h 06m

Toronto Region of Waterloo Intl

Sun 5/25

6:00 am-2:12 pm

1 stop11h 12m

$207

Los AngelesHamilton

LAX - YHM

LAXYHM

Los Angeles

Fri 5/16

11:40 am-12:41 am

1 stop10h 01m

Hamilton

Sat 5/31

6:00 am-2:12 pm

1 stop11h 12m

$212

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Mon 5/5

1:10 pm-9:03 pm

Nonstop4h 53m

Toronto Pearson Intl

Thu 5/8

9:45 am-12:10 pm

Nonstop5h 25m

$222

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Thu 5/8

10:20 pm-11:32 am

2 stops10h 12m

Toronto Island

Fri 5/23

10:20 am-7:50 pm

2 stops12h 30m

$236

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Fri 5/16

11:30 am-7:10 am

1 stop16h 40m

Toronto Region of Waterloo Intl

Sat 5/31

6:00 am-2:12 pm

1 stop11h 12m

$241

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Fri 5/9

7:00 am-12:22 am

2 stops14h 22m

Ottawa

Fri 5/16

11:55 am-6:54 pm

1 stop9h 59m

$241

Los AngelesMontreal

LAX - YUL

LAXYUL

Los Angeles

Thu 5/8

11:40 am-12:43 am

1 stop10h 03m

Montreal Pierre Elliott Trudeau Intl

Mon 5/12

6:45 am-12:10 pm

1 stop8h 25m

$244

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Thu 5/1

11:30 am-7:10 am

1 stop16h 40m

Toronto Region of Waterloo Intl

Sun 5/4

8:25 pm-10:45 am

1 stop17h 20m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 60 results

...

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 $243). Flying from Los Angeles to Region of Ontario in July is currently the most expensive (average of $359). 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 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

The most flights from LAX to CAON are scheduled on a Saturday (20 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Ontario by month

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

To help decide which airline to fly from Los Angeles to Ontario, see what other customers have to say about Alaska Airlines, Delta and Porter Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,785 reviews

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

9,785 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

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

7,890 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

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

7.9

Good

275 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

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

381 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

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

United Airlines

7.4

Good

8,605 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

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

What airport do you fly from for flights from Los Angeles to Ontario?
If you book a flight to Ontario from Los Angeles, you will be flying from Los Angeles, which is the city’s only airport. Los Angeles (LAX) is located 9.4 mi from the center of Los Angeles.
What are the cheapest airlines to fly from Los Angeles to Region of Ontario one-way?
The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from Porter Airlines and Flair Airlines, as they are both options that can get you from Los Angeles to Region of Ontario for a low price.
What are the most popular routes from Los Angeles to Region of Ontario?
While some choose either Los Angeles - Montreal Pierre Elliott Trudeau Intl or Los Angeles - Toronto Island, Los Angeles - Toronto Pearson Intl is the most popular route from Los Angeles to Region of Ontario.
What are the most reliable airlines from Los Angeles to Region of Ontario?
Before booking your flight to Region of Ontario from Los Angeles, check out the most reliable airlines to get you to your destination on time: Austrian Airlines (86%), Porter Airlines (77%), Air Transat( 77%).
What are the cheapest flights from Los Angeles to Region of Ontario?
While on average a flight from Los Angeles to Region of Ontario is generally $1,465, our data shows the cheapest flight currently is $86. When looking at the most popular route, (Los Angeles - Toronto Pearson Intl), you can expect to pay $187 for that flight.
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 $243). Flying from Los Angeles to Region of Ontario in July is currently the most expensive (average of $359). 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Region of Ontario car rentals

Toronto Pearson Intl Airport car rentals

Ottawa Airport car rentals

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London Airport car rentals

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Kingston Airport car rentals

North Bay Airport car rentals

Top 7 airlines flying from Los Angeles to Ontario

Airline	Cheapest	Average	Flexibility	On-time
WestJet	Cheapest$137	Average$394	FlexibilityNo cancel fee	On-time60%
American Airlines	Cheapest$137	Average$444	FlexibilityNo cancel fee	On-time71%
Porter Airlines	Cheapest$141	Average$360	FlexibilityNo cancel fee	On-time52%
Air Canada	Cheapest$144	Average$542	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$146	Average$418	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$159	Average$432	FlexibilityNo cancel fee	On-timeN/A
Air Transat	Cheapest$186	Average$396	FlexibilityNo cancel fee	On-time50%

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$99+ Cheap flights from Los Angeles (LAX) to Ontario

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Los Angeles to Ontario with Cheapflights

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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 March 25, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find 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 March 25, 2025.

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 March 25, 2025.

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.

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?

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 March 25, 2025.

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 March 25, 2025.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

To help decide which airline to fly from Los Angeles to Ontario, see what other customers have to say about Alaska Airlines, Delta and Porter Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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.

Top 7 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 March 25, 2025.