$104+ Cheap flights from Ontario to California
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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Ontario to California 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Ontario to California
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to California (USCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.
Round-trip from | $157 (Trip.com) |
|---|---|
One-way from | $104 (Air Canada) |
Good round-trip deal | $181 or less |
Good one-way deal | $149 or less |
Find flight deals from Ontario to California
Cheapest flights from Ontario to CaliforniaExplore the most affordable flight options available from Ontario to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
Explore the most affordable flight options available from Ontario to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
This FlightHub deal was found by Cheapflights users on 1/21. 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.
This Trip.com deal was found by Cheapflights users on 1/20. 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.
This Trip.com deal was found by Cheapflights users on 1/21. 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.
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 1/20. 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.
This Air Canada deal was found by Cheapflights users on 1/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/19. 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.
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
This Trip.com deal was found by Cheapflights users on 1/19. 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.
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
This Trip.com deal was found by Cheapflights users on 1/20. 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.
This Justfly.com deal was found by Cheapflights users on 1/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Ontario to California within your budget
Customize your flight search to find flights from Ontario to California 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 January 21, 2025.
Fly from
Fly to
Route
Depart
Return
Price
TorontoLas Vegas
YTZ - LAS
YTZLAS
Toronto Island
Tue 2/4
2:00 pm-8:25 pm
1 stop9h 25m
Las Vegas Harry Reid Intl
Fri 2/7
9:10 am-6:53 pm
1 stop6h 43m
TorontoLas Vegas
YYZ - LAS
YYZLAS
Toronto Pearson Intl
Mon 2/10
8:00 pm-10:13 pm
Nonstop5h 13m
Las Vegas Harry Reid Intl
Fri 2/14
11:25 pm-6:43 am
Nonstop4h 18m
TorontoLas Vegas
YYZ - LAS
YYZLAS
Toronto Pearson Intl
Fri 2/7
2:00 pm-8:40 pm
1 stop9h 40m
Las Vegas Harry Reid Intl
Sun 2/9
10:35 pm-5:55 am
Nonstop4h 20m
TorontoLas Vegas
YYZ - LAS
YYZLAS
Toronto Pearson Intl
Tue 2/18
8:00 pm-10:13 pm
Nonstop5h 13m
Las Vegas Harry Reid Intl
Tue 2/25
8:50 am-9:31 pm
1 stop9h 41m
TorontoLas Vegas
YTZ - LAS
YTZLAS
Toronto Island
Tue 3/11
3:25 pm-9:53 pm
1 stop9h 28m
Las Vegas Harry Reid Intl
Wed 3/12
11:50 pm-8:43 pm
2 stops17h 53m
TorontoLas Vegas
YYZ - LAS
YYZLAS
Toronto Pearson Intl
Tue 2/4
6:55 pm-11:59 pm
1 stop8h 04m
Las Vegas Harry Reid Intl
Thu 2/6
7:45 am-9:20 pm
1 stop10h 35m
TorontoLas Vegas
YYZ - LAS
YYZLAS
Toronto Pearson Intl
Sun 2/16
7:00 pm-12:32 am
1 stop8h 32m
Las Vegas Harry Reid Intl
Fri 2/28
11:35 pm-12:06 pm
1 stop9h 31m
TorontoSan Diego
YYZ - SAN
YYZSAN
Toronto Pearson Intl
Wed 2/19
8:00 pm-9:01 am
1 stop16h 01m
San Diego
Wed 2/26
3:00 pm-6:43 am
1 stop12h 43m
MontrealLas Vegas
YUL - LAS
YULLAS
Montreal Pierre Elliott Trudeau Intl
Mon 5/5
6:45 am-5:35 pm
2 stops13h 50m
Las Vegas Harry Reid Intl
Fri 5/9
10:00 am-12:43 am
2 stops11h 43m
OttawaLas Vegas
YOW - LAS
YOWLAS
Ottawa
Wed 2/12
6:10 pm-8:40 pm
Nonstop5h 30m
Las Vegas Harry Reid Intl
Wed 2/19
9:10 am-4:45 pm
Nonstop4h 35m
Best time to book a flight from Ontario to California
Have a flexible travel schedule? Discover the best time to fly to California from Ontario with our price prediction graph.
Travel insights for flights from Ontario to California
Get recent, data-driven insights about flights from Ontario to California including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Region of Ontario to California?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to California (average of $246). Flying from Region of Ontario to California in March is currently the most expensive (average of $344). 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 ON to CA?
Find hourly flight availability from Ontario to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.
When flying from Region of Ontario to California, 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 Region of Ontario to California
Explore weekly flight availability from Ontario to California. 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 January 21, 2025.
The most flights from CAON to USCA are scheduled on a Sunday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).
Rainfall in California by month
Plan your trip to California by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.
Temperature in California by month
Plan your trip to California by taking into account the average temperature totals by month.
If weather is an important factor for your trip to California, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).
Reviews of airlines servicing California
Get insights into the airlines that provide service to California. 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 California. Reviews last updated January 21, 2025.
See what other customers who have flown with American Airlines, WestJet and Delta from Ontario to California have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Related info for your journey
Find useful and relevant information for your journey from Ontario to California. 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 Ontario to California
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Ontario to California
Discover the top 8 airlines that operate flights from Ontario to California. 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 January 21, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$114 | Average$231 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$115 | Average$356 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$153 | Average$562 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$173 | Average$432 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$177 | Average$484 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$199 | Average$471 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$204 | Average$499 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$210 | Average$427 | FlexibilityNo cancel fee | On-time50% |