Cheap flights from San Jose to Ontario from $123
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose to Ontario departing on 7/22. 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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WestJet flights from San Jose to Region of Ontario
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How to get the cheapest flight ticket from San Jose 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 May is, on average, the cheapest month to fly to Region of Ontario from San Jose, with most prices found around $383. If you aren’t able to travel during the month of May, then book flights to Region of Ontario from San Jose during October instead. Flights to Region of Ontario in October, while not as cheap as those in May, still average around $444.
What is the cheapest day to depart on your flight to Region of Ontario?
According to our data, Monday is the cheapest day to fly to Region of Ontario from San Jose. The lowest ticket price found for a Monday departure recently was $465. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from San Jose to Region of Ontario on a Sunday will generally be more expensive and average around $687. 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 evening. momondo users have found flights departing from San Jose to Region of Ontario in the evening for as low as $447. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $562.
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 San Jose when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $453 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from San Jose for as low as $270 on momondo.
What is the cheapest airline that flies from San Jose to Ontario?
Delta, United Airlines, and American Airlines are the most popular carriers operating from San Jose to Ontario
What airlines fly to Region of Ontario?
Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from San Jose according to our data. Air Canada is the first choice among our users, with 40% 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.
Cheap San Jose to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Jose to Region of Ontario
Best Price Found | $123 |
|---|---|
Fastest flight time | 6h 40m |
Direct flights | None |
Airports in Region of Ontario | 5 airports |
When did momondo last update prices for flights from San Jose Airport to Ontario?
Prices for flights from San Jose Airport to Ontario were last updated today.
How many operators does momondo search for flights from San Jose Airport to Ontario?
As of June 2025, there are 4 operators available to choose from for flights from San Jose Airport to Ontario.
How old do you have to be to fly from San Jose Airport to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Jose Airport 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.
Best airlines flying from San Jose to Region of Ontario
Compare and see reviews for airlines that fly from San Jose to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $185 | Free Cancellation | Rating 7.1 9,553 reviews | |||
| PriceFrom $239 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $323 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $440 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Jose to Ontario?
It is quick and easy to find San Jose 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 San Jose to Ontario with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for San Jose to Ontario flights to just show those with flexible booking policies.
How can momondo help me find flights from San Jose to Ontario?
momondo provides multiple filters to help you find the best flight to Ontario from San Jose. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from San Jose 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 San Jose and alert you when they change.