Cheap flights from Ontario to California from C$ 141
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to California departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Region of Ontario to California
Our best United Airlines deals on Region of Ontario to California flight tickets
Porter Airlines flights from Region of Ontario to California
Our best Porter Airlines deals on Region of Ontario to California flight tickets
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How to get the cheapest flight ticket from Region of Ontario to California
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to California?
The cheapest month to fly to California from Region of Ontario is in September. Flight prices, which tend to average around C$ 308, are often lower during this time because this is during the off-season. If you’re not able to fly to California in September, then May is your next best option. Flight prices from Region of Ontario to California during May average around C$ 333.
What is the cheapest day to depart on your flight to California?
According to our data, Thursday is the cheapest day to fly to California from Region of Ontario. The lowest ticket price found for a Thursday departure recently was C$ 430. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Region of Ontario to California on a Sunday will generally be more expensive and average around C$ 487. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to California?
Our data shows that the cheapest Region of Ontario to California flights are usually those with departure times in the evening. Our users have found flights to California in the evening for as low as C$ 414. Flights to California are more costly at noon, with an average ticket price of C$ 615. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Ontario to California flight route?
Fly from Toronto Pearson Intl to Los Angeles for the best Ontario - California flight prices
How far in advance should I book a flight to California?
You are more likely to see cheaper flights to California from Region of Ontario when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to California for around C$ 401 when searching 8 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Region of Ontario for as low as C$ 345 on momondo.
What cabin class options are available on Ontario to California flights?
There are 4 cabin classes available to choose from on Ontario to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Ontario to California?
WestJet, Porter Airlines, and Air Canada are the most popular carriers operating from Ontario to California
Which airlines fly to California?
Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to California from Region of Ontario according to our data. Air Canada is the first choice among our users, with 35% of people opting to fly with this airline when travelling to California. Keep in mind that there are 9 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.
How many flights depart from Region of Ontario to California on average per day?
As of June 2025, 72 flights take off from Region of Ontario and land in California each day. The most common flight departure time for this route is 8:00a.m., with 46% of daily flights taking off at noon.
How many flights depart from Region of Ontario to California on average per week?
505 flights are operational weekly from Region of Ontario to California as of June 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.
Cheap Region of Ontario to California flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to California
Best price found | C$ 141 |
|---|---|
Fastest flight time | 4h 43m |
Direct flights | Every day |
Airports in California | 2 airports |
When did momondo last update prices for flights from Ontario to California?
Prices for flights from Ontario to California are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to California?
There are 10 operators available for flights from Ontario to California as of June 2025.
How old do you have to be to fly from Ontario to California?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to California.
What documentation or ID do you need to fly to California?
The travel and health documents you'll need for your trip to California may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Region of Ontario to California?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to California is Embraer 195 E2 (36.79% of total bookings). The next most popular plane models are Airbus A321-100/200 (16.89%), Boeing 737-800 (10.84%), and Airbus A320-100/200 (10.78%).
Best airlines flying from Region of Ontario to California
Compare and see reviews for airlines that fly from Region of Ontario to California with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 139 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 198 | Free Cancellation | Rating 7.2 2,873 reviews | |||
| PriceFrom C$ 224 | Free Cancellation | Rating 8.0 289 reviews | |||
| PriceFrom C$ 246 | Free Cancellation | Rating 7.8 398 reviews | |||
| PriceFrom C$ 259 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom C$ 269 | Free Cancellation | Rating 7.1 9,553 reviews | |||
| PriceFrom C$ 278 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom C$ 382 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom C$ 690 | Free Cancellation | Rating 9.2 5 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to California?
It is quick and easy to find Ontario to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.
Can I find flights from Ontario to California with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to California from Ontario with this policy.
How can momondo help me find flights from Ontario to California?
Once you have performed a search for Ontario to California flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ontario to California right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to California from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.