Flight tickets from Ontario International to San Jose
Compare Ontario International to San Jose flight deals
Find the cheapest month or even day of the year to fly to San Jose
Book the best San Jose fare with no extra fees
Flight deals from Ontario International to San Jose
Looking for a cheap last-minute deal or the best return flight from Ontario International to San Jose? Find the lowest prices on one-way and return tickets right here.Find the cheapest month to fly from Ontario International to San Jose
We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to San Jose flights are currently cheapest in December.Alternative Ontario International to San Jose routes
Looking for the cheapest, fastest or easiest route from Ontario International to San Jose? You could fly into the following airports instead.Ontario to San Jose: Flight information
The things to know before you go.Cheapest flight found | ₹ 3,857 |
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Cheapest month to fly | December |
Average flight time | 1 hr, 16 mins |
Most popular airline | Southwest Airlines |
Average flights per week | 33 |
Finding cheap flights from Ontario International to San Jose: Frequently asked questions
How to find cheap flights to San Jose (SJCA) from Ontario (ONT) in 2025
Looking for cheap tickets from Ontario International to San Jose? Return tickets start from ₹ 8,406 and one-way flights to San Jose from Ontario International start from ₹ 3,850
Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.
- Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Ontario International to San Jose. And with us there are no hidden fees - what you see is what you pay.
- Compare flight deals to San Jose from Ontario from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to San Jose start from ₹ 3,850 one-way.
- Flex your dates to find the best ONT-SJCA ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to San Jose from Ontario International.
- Set up a Price Alert. You can easily track the fare of your cheap Ontario International-San Jose flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
- Find the cheapest Business class flights from Ontario International and San Jose. We scour the internet for the best Business, Premium Economy and First Class flight fares to San Jose, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
- Include nearby airports in your search. Widen your search for Ontario International to San Jose flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
- Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Ontario International and San Jose whenever you want.
Combine your flight to San Jose from Ontario International with hotels and car hire
Once you've secured your cheap flight ticket from Ontario International to San Jose, discover the best prices and exclusive rates for hotels in San Jose or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.
Plan the rest of your trip from Ontario to San Jose
Prices shown on this page are estimated lowest prices only. Found in the last 45 days.