Cheap flights from Los Angeles to Ontario from $40
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Ontario departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Los Angeles to Ontario
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
WestJet flights from Los Angeles to Region of Ontario
Our best WestJet deals on Los Angeles to Region of Ontario flight tickets
American Airlines flights from Los Angeles to Region of Ontario
Our best American Airlines deals on Los Angeles to Region of Ontario flight tickets
See travel insights to Ontario from
How to get the cheapest flight ticket from Los Angeles to Region of Ontario
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 Region of Ontario?
The month of September is, on average, the cheapest month to fly to Region of Ontario from Los Angeles, with most prices found around $282. If you aren’t able to travel during the month of September, then book flights to Region of Ontario from Los Angeles during October instead. Flights to Region of Ontario in October, while not as cheap as those in September, still average around $291.
What is the cheapest day to depart on your flight to Region of Ontario?
According to our data, Thursday is the cheapest day to fly to Region of Ontario from Los Angeles. The lowest ticket price found for a Thursday departure recently was $397. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Los Angeles to Region of Ontario on a Sunday will generally be more expensive and average around $570. 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 Region of Ontario?
According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from Los Angeles to Region of Ontario in the afternoon for as low as $343. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $614.
What is the cheapest Los Angeles to Ontario flight route?
Fly from Los Angeles to Toronto Pearson Intl for the best Los Angeles - Ontario flight prices
How far in advance should I book a flight to Region of Ontario?
You are more likely to see cheaper flights to Region of Ontario from Los Angeles when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $344 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Los Angeles for as low as $293 on momondo.
What cabin class options are available on Los Angeles to Ontario flights?
There are 4 cabin classes available to choose from on Los Angeles to Ontario 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 Los Angeles to Ontario?
WestJet, Porter Airlines, and Air Canada are the most popular carriers operating from Los Angeles to Ontario
What airlines fly to Region of Ontario?
Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to Region of Ontario from Los Angeles according to our data. Air Canada is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 7 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.
How many flights depart from Los Angeles to Region of Ontario on average per day?
As of April 2025, 22 flights take off from Los Angeles and land in Region of Ontario each day. The most common flight departure time for this route is 4:00PM, with 60% of daily flights taking off in the afternoon.
How many flights depart from Los Angeles to Region of Ontario on average per week?
The number of flights available between Los Angeles and Region of Ontario is 154 per week as of April 2025. The most frequent departure day is Tue, with 18% of weekly flights leaving on this day.
Cheap Los Angeles to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Region of Ontario
Best Price Found | $40 |
|---|---|
Fastest flight time | 4h 33m |
Direct flights | Every day |
Airports in Region of Ontario | 2 airports |
When did momondo last update prices for flights from Los Angeles Airport to Ontario?
Prices for flights from Los Angeles Airport to Ontario were last updated today.
How many operators does momondo search for flights from Los Angeles Airport to Ontario?
The number of operators available for flights from Los Angeles Airport to Ontario is 7 as of April 2025.
How old do you have to be to fly from Los Angeles Airport to Ontario?
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 Los Angeles Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The required travel and health documents for your Ontario 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 Ontario. 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 Los Angeles to Region of Ontario?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Los Angeles to Region of Ontario is Airbus A321-100/200 (28.63% of total bookings). The next most popular plane models are Embraer 195 E2 (27.00%), Boeing 737 MAX 8 (12.81%), and Boeing 787-8 Dreamliner (7.92%).
Best airlines flying from Los Angeles to Region of Ontario
Compare and see reviews for airlines that fly from Los Angeles to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $137 | Free Cancellation | Rating 7.2 2,789 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $139 | Free Cancellation | Rating 7.9 278 reviews | |||
| PriceFrom $144 | Free Cancellation | Rating 7.0 9,022 reviews | |||
| PriceFrom $145 | Free Cancellation | Rating 7.4 8,615 reviews | |||
| PriceFrom $156 | Free Cancellation | Rating 8.0 7,898 reviews | |||
| PriceFrom $186 | Free Cancellation | Rating 7.8 381 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Los Angeles to Ontario?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Los Angeles.
Can I find flights from Los Angeles to Ontario with flexible booking policies on momondo?
Yes. All flights to Ontario from Los Angeles on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Los Angeles to Ontario?
momondo helps you find the best flight between Los Angeles and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Los Angeles to Ontario right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Ontario from Los Angeles. 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.