Cheap flights from California to Ontario from C$ 76
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Ontario departing on 22/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
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Cheap round-trip flights
These are some of the best round-trip flight deals from California to Ontario that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from California to Ontario.
Cheap last-minute flights
Planning a quick getaway from California to Ontario? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from California to Ontario
Find recent round-trip train or bus tickets from California to Ontario.
All round-trip flight deals to Ontario
The cheapest plane tickets to Ontario found on KAYAK recently.
Alaska Airlines flights from California to Region of Ontario
Our best Alaska Airlines deals on California to Region of Ontario flight tickets
Alaska Airlines![Alaska Airlines]()
27 Feb![Alaska Airlines]()
3 Mar
LAS3:57 p.m.Las Vegas Harry Reid Intl
19h 58m
2 stops
YYZ2:55 p.m.Toronto Pearson Intl
YYZ4:10 p.m.Toronto Pearson Intl
19h 26m
2 stops
LAS8:36 a.m.Las Vegas Harry Reid Intl
Alaska Airlines![Alaska Airlines]()
1 Feb![Alaska Airlines]()
14 Mar
LAX8:00 a.m.Los Angeles
28h 05m
2 stops
YYZ3:05 p.m.Toronto Pearson Intl
YYZ4:10 p.m.Toronto Pearson Intl
11h 02m
1 stop
LAX12:12 a.m.Los Angeles
WestJet flights from California to Region of Ontario
Our best WestJet deals on California to Region of Ontario flight tickets
WestJet![WestJet]()
30 Jan![WestJet]()
5 Feb
LAS6:25 p.m.Las Vegas Harry Reid Intl
8h 53m
1 stop
YYZ6:18 a.m.Toronto Pearson Intl
YYZ8:00 p.m.Toronto Pearson Intl
5h 13m
LAS10:13 p.m.Las Vegas Harry Reid Intl
WestJet![WestJet]()
24 Jan![WestJet]()
28 Jan
LAS11:25 p.m.Las Vegas Harry Reid Intl
4h 21m
YYZ6:46 a.m.Toronto Pearson Intl
YYZ12:00 p.m.Toronto Pearson Intl
10h 25m
1 stop
LAS7:25 p.m.Las Vegas Harry Reid Intl
See travel insights to Ontario from
How to get the cheapest flight ticket from California 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
Prices
Airlines
Other information
What is the cheapest month to fly to Region of Ontario?
In general, September is the cheapest month to fly from California to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 404. If you are unable to visit Region of Ontario during the month of September, then departing from California during the month October is also very affordable. Most momondo users find prices during this month for around C$ 417.
What is the cheapest day to depart on your flight to Region of Ontario?
The cheapest day to depart from California to Region of Ontario is on a Wednesday. Travellers who choose to depart for Region of Ontario on a Wednesday will often find tickets for as low as C$ 458. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 538.
What is the cheapest time of day to depart on your flight to Region of Ontario?
Our most recent data shows that the best time of day to fly to Region of Ontario is in the afternoon. Flights from California to Region of Ontario during this time can be as low as C$ 460. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 507 on average. Flights to Region of Ontario from California at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest California to Ontario flight route?
Fly from Palm Springs to Toronto Pearson Intl for the best California - Ontario flight prices
How far in advance should I book a flight to Region of Ontario?
In general, most travellers find the cheapest time to book a flight to Region of Ontario is about 30 days prior to their departure date, when tickets on average are C$ 500. In the past 72 hours, momondo users found flights from California to Region of Ontario for as low as C$ 561.
What cabin class options are available on California to Ontario flights?
There are 4 cabin classes available to choose from on California 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 California to Ontario?
WestJet, Porter Airlines, and Air Canada are the most popular carriers operating from California to Ontario
Which 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 California according to our data. Air Canada is the first choice among our users, with 38% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 6 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 California to Region of Ontario on average per day?
The number of flights available between California and Region of Ontario is 56 per day as of January 2025. The most frequent departure time is 11:00a.m., with 50% of daily flights leaving at noon.
How many flights depart from California to Region of Ontario on average per week?
The number of flights available between California and Region of Ontario is 395 per week as of January 2025. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.
Cheap California to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to Region of Ontario
Best price found | C$ 76 |
|---|---|
Fastest flight time | 4h 05m |
Direct flights | Every day |
Airports in Region of Ontario | 1 airport |
When did momondo last update prices for flights from California to Ontario?
Prices for flights from California to Ontario refresh daily.
How many operators does momondo search for flights from California to Ontario?
The number of operators available for flights from California to Ontario is 7 as of January 2025.
How old do you have to be to fly from California to Ontario?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents you'll need for your trip to Ontario 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 Ontario. 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 California to Region of Ontario?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from California to Region of Ontario is Embraer 195 E2 (34.94% of total bookings). The next most popular plane models are Airbus A321-100/200 (20.87%), Boeing 737 MAX 8 (12.63%), and Boeing 737-800 (9.38%).
Best airlines flying from California to Region of Ontario
Compare and see reviews for airlines that fly from California to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 211 | Free Cancellation | Rating 7.9 274 reviews | |||
| PriceFrom C$ 227 | Free Cancellation | Rating 7.0 8,516 reviews | |||
| PriceFrom C$ 248 | Free Cancellation | Rating 5.9 48 reviews | |||
| PriceFrom C$ 249 | Free Cancellation | Rating 7.8 380 reviews | |||
| PriceFrom C$ 256 | Free Cancellation | Rating 7.2 2,820 reviews | |||
| PriceFrom C$ 362 | Free Cancellation | Rating 7.4 8,942 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from California to Ontario?
It is quick and easy to find California to Ontario 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 Ontario that suits you.
Can I find flights from California to Ontario with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for California to Ontario flights to just show those with flexible booking policies.
How can momondo help me find flights from California to Ontario?
momondo helps you find the best flight between California 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 California to Ontario right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from California and alert you when they change.
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Find better results for your trip to Ontario
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