$74+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
Jun 18 — Jun 251
1 adult, Economy
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Find cheap flights from Los Angeles to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 June 13, 2025.
Round-trip from | $158 (FlightHub) |
|---|---|
One-way from | $74 (Trip.com) |
Popular in | December |
Cheapest in | May |
Average price | $318 |
Good round-trip deal | $218 or less |
Good one-way deal | $135 or less |
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 June 13, 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 June 13, 2025.
This oojo deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:10 pmLAX - YYZ
Nonstop4h 49mWestJet
Fri 9/1910:00 amYYZ - LAX
2 stops11h 54mWestJet
Deal found 6/12![WestJet logo]()
$151
This Flightnetwork deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:55 pmLAX - YYZ
Nonstop4h 51mAir Canada
Sun 11/26:55 pmYYZ - LAX
Nonstop5h 32mAir Canada
Deal found 6/12![Air Canada logo]()
$155
This FlightHub deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amLAX - YKF
1 stop8h 55mWestJet
Sat 9/136:00 amYKF - LAX
1 stop11h 11mWestJet
Deal found 6/11![WestJet logo]()
$158
This Flightnetwork deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:40 amLAX - YYZ
1 stop9h 42mMultiple Airlines
Wed 9/176:35 pmYYZ - LAX
Nonstop5h 18mMultiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$167
This Trip.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:40 amLAX - YHM
1 stop10h 00mWestJet
Wed 9/176:00 amYHM - LAX
1 stop11h 11mWestJet
Deal found 6/12![WestJet logo]()
$182
This Gotogate deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3010:30 pmLAX - YTZ
1 stop10h 15mAir Canada
Fri 10/38:25 pmYTZ - LAX
1 stop17h 40mAir Canada
Deal found 6/11![Air Canada logo]()
$199
This Trip.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/93:00 pmLAX - YOW
2 stops11h 25mMultiple Airlines
Wed 7/167:00 amYOW - LAX
1 stop9h 00mMultiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$209
This Trip.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:00 amLAX - YOW
2 stops14h 22mWestJet
Fri 8/293:35 pmYOW - LAX
1 stop9h 12mWestJet
Deal found 6/13![WestJet logo]()
$221
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/82:00 pmLAX - YOW
1 stop7h 21mPorter Airlines
Tue 8/127:00 amYOW - LAX
1 stop9h 00mPorter Airlines
Deal found 6/12![Porter Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1312:08 amLAX - YOW
1 stop13h 58mUnited Airlines
Thu 8/147:29 pmYOW - LAX
1 stop8h 16mUnited Airlines
Deal found 6/11![United Airlines logo]()
$227
This Trip.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/97:00 amLAX - YUL
2 stops14h 37mMultiple Airlines
Wed 7/166:45 amYUL - LAX
1 stop9h 15mMultiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/202:00 pmLAX - YUL
1 stop7h 37mPorter Airlines
Wed 7/236:45 amYUL - LAX
1 stop9h 15mPorter Airlines
Deal found 6/12![Porter Airlines logo]()
$232
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 2,558,603 searches. Data last updated June 13, 2025.
Use the filters below to find and compare flights from Los Angeles to Ontario that are best for you.
Fly from
Los Angeles
Fly to
Ontario
Route
Depart
Return
Price
Los AngelesToronto
LAX - YKF
LAXYKF
Los Angeles
Thu 9/4
7:00 am-6:55 pm
1 stop8h 55m
Toronto Region of Waterloo Intl
Sat 9/13
6:00 am-2:11 pm
1 stop11h 11m
$158
Los AngelesToronto
LAX - YYZ
LAXYYZ
Los Angeles
Mon 9/8
3:00 pm-5:51 am
2 stops11h 51m
Toronto Pearson Intl
Thu 9/11
8:00 am-2:11 pm
1 stop9h 11m
$158
Los AngelesToronto
LAX - YYZ
LAXYYZ
Los Angeles
Wed 9/3
11:40 am-12:22 am
1 stop9h 42m
Toronto Pearson Intl
Wed 9/17
6:35 pm-8:53 pm
Nonstop5h 18m
$167
Los AngelesHamilton
LAX - YHM
LAXYHM
Los Angeles
Wed 9/3
11:40 am-12:40 am
1 stop10h 00m
Hamilton
Wed 9/17
6:00 am-2:11 pm
1 stop11h 11m
$182
Los AngelesToronto
LAX - YYZ
LAXYYZ
Los Angeles
Mon 9/8
9:55 pm-5:46 am
Nonstop4h 51m
Toronto Pearson Intl
Thu 9/11
6:35 pm-8:53 pm
Nonstop5h 18m
$198
Los AngelesToronto
LAX - YTZ
LAXYTZ
Los Angeles
Tue 9/30
10:30 pm-11:45 am
1 stop10h 15m
Toronto Island
Fri 10/3
8:25 pm-11:05 am
1 stop17h 40m
$199
Los AngelesOttawa
LAX - YOW
LAXYOW
Los Angeles
Wed 7/9
3:00 pm-5:25 am
2 stops11h 25m
Ottawa
Wed 7/16
7:00 am-1:00 pm
1 stop9h 00m
$209
Los AngelesOttawa
LAX - YOW
LAXYOW
Los Angeles
Mon 8/25
7:00 am-12:22 am
2 stops14h 22m
Ottawa
Fri 8/29
3:35 pm-9:47 pm
1 stop9h 12m
$221
Los AngelesOttawa
LAX - YOW
LAXYOW
Los Angeles
Fri 8/8
2:00 pm-12:21 am
1 stop7h 21m
Ottawa
Tue 8/12
7:00 am-1:00 pm
1 stop9h 00m
$225
Los AngelesOttawa
LAX - YOW
LAXYOW
Los Angeles
Wed 8/13
12:08 am-5:06 pm
1 stop13h 58m
Ottawa
Thu 8/14
7:29 pm-12:45 am
1 stop8h 16m
$227
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 $353). 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 June 13, 2025.
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
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 June 13, 2025.
The most flights from LAX to CAON are scheduled on a Monday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (15 on average).
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals 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
Plan your trip to Ontario by taking into account the average temperature totals 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
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 June 13, 2025.
To help decide which airline to fly from Los Angeles to Ontario, see what other customers have to say about Porter Airlines, Delta and Air Transat. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.1
Crew
8.7
Overall
8.0
Boarding
8.2
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Comfort
8.1
Crew
8.7
Overall
8.0
Boarding
8.2
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Comfort
8.1
Crew
8.7
Overall
8.0
Boarding
8.2
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Comfort
8.1
Crew
8.7
Overall
8.0
Boarding
8.2
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Comfort
8.1
Crew
8.7
Overall
8.0
Boarding
8.2
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
Comfort
8.1
Crew
8.7
Overall
8.0
Boarding
8.2
Food
7.6
Entertainment
7.0
Reviews
1 / 20
4.0
OkayMary,Jun 2025
FLL - YYZ
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.
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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
Discover the top 7 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 2,558,603 searches. Data last updated June 13, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$120 | Average$344 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$131 | Average$405 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$330 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$137 | Average$336 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$138 | Average$475 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$145 | Average$379 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$186 | Average$370 | FlexibilityNo cancel fee | On-time50% |