Cheap flights from Ontario to California from $104
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 month of May is another great option to travel to California, with average flight prices from Region of Ontario averaging around $245.
What is the cheapest day to depart on your flight to California?
The cheapest day to depart from Region of Ontario to California is on a Wednesday. Travelers who choose to depart for California on a Wednesday will often find tickets for as low as $279. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to California on Sunday is $351.
What is the cheapest time of day to depart on your flight to California?
The cheapest time of day to fly to California is in the afternoon when flights can be purchased for as low as $286. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $383 on average. Flights to California from Region of Ontario at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
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 $295 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 $254 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
What airlines fly to California?
Air Canada, Porter Airlines and United Airlines 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 41% of people opting to fly with this airline when traveling to California. Keep in mind that there are 7 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, there are 72 flights per day flying from Region of Ontario to California. The most common time of day flights depart is 8:00AM, with 46% of 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 | $104 |
|---|---|
Fastest flight time | 4h 43m |
Direct flights | Every day |
Airports in California | 3 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?
The number of operators available for flights from Ontario to California is 7 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 required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Region of Ontario to California?
Based on momondo bookings for flights between Region of Ontario and California, the leading plane model is Embraer 195 E2, making up 36.79% of the total bookings. Other popular models include Airbus A321-100/200 with 16.89%, Boeing 737-800 with 10.84%, and Airbus A320-100/200 with 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 $115 | Free Cancellation | Rating 8.0 289 reviews | |||
| PriceFrom $149 | Free Cancellation | Rating 7.2 2,873 reviews | |||
| PriceFrom $151 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $186 | Free Cancellation | Rating 7.1 9,554 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.8 398 reviews | |||
| PriceFrom $199 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $267 | Free Cancellation | Rating 8.0 7,963 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to California?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to California. momondo saves you time and could save you money on your trip.
Can I find flights from Ontario to California with flexible booking policies on momondo?
momondo does allow users to show only those flights to California from Ontario which offer a flexible booking policy as well as other useful filters and features.
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.