S$173 Cheap Flights from San Jose to Ontario

View S$173 flight on Wed, 4 Feb, 2026Opens in a new window

Popular airlines from Norman Y. Mineta San Jose Intl. Airport (SJC) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from San Jose to Ontario (SJC-ONT)

Prices were available within the past 7 days and start at S$173 for one-way flights and S$293 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 6 Jan - Wed, 21 Jan
SJC
San Jose
ONT
Ontario
S$293 Return, found 1 day ago
S$293
Return
found 1 day ago
Select Delta flight, departing Tue, 6 Jan from San Jose to Ontario, returning Wed, 21 Jan, priced at S$293 found 1 day ago
Delta
Tue, 6 Jan - Fri, 9 Jan
SJC
San Jose
ONT
Ontario
S$319 Return, found 1 day ago
S$319
Return
found 1 day ago
Select Delta flight, departing Tue, 6 Jan from San Jose to Ontario, returning Fri, 9 Jan, priced at S$319 found 1 day ago
Alaska Airlines
Tue, 6 Jan - Fri, 23 Jan
SJC
San Jose
ONT
Ontario
S$343 Return, found 1 day ago
S$343
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue, 6 Jan from San Jose to Ontario, returning Fri, 23 Jan, priced at S$343 found 1 day ago
Delta
Tue, 6 Jan - Sun, 18 Jan
SJC
San Jose
ONT
Ontario
S$344 Return, found 1 day ago
S$344
Return
found 1 day ago
Select Delta flight, departing Tue, 6 Jan from San Jose to Ontario, returning Sun, 18 Jan, priced at S$344 found 1 day ago
Delta
Tue, 6 Jan - Tue, 20 Jan
SJC
San Jose
ONT
Ontario
S$355 Return, found 1 day ago
S$355
Return
found 1 day ago
Select Delta flight, departing Tue, 6 Jan from San Jose to Ontario, returning Tue, 20 Jan, priced at S$355 found 1 day ago
Alaska Airlines
Tue, 6 Jan - Mon, 19 Jan
SJC
San Jose
ONT
Ontario
S$400 Return, found 1 day ago
S$400
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue, 6 Jan from San Jose to Ontario, returning Mon, 19 Jan, priced at S$400 found 1 day ago
Alaska Airlines
Mon, 9 Feb - Wed, 25 Feb
SJC
San Jose
ONT
Ontario
S$445 Return, found 1 day ago
S$445
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 9 Feb from San Jose to Ontario, returning Wed, 25 Feb, priced at S$445 found 1 day ago
American Airlines
Mon, 5 Jan - Sat, 17 Jan
SJC
San Jose
ONT
Ontario
S$452 Return, found 1 day ago
S$452
Return
found 1 day ago
Select American Airlines flight, departing Mon, 5 Jan from San Jose to Ontario, returning Sat, 17 Jan, priced at S$452 found 1 day ago
United
Wed, 31 Dec - Sat, 17 Jan
SJC
San Jose
ONT
Ontario
S$461 Return, found 1 day ago
S$461
Return
found 1 day ago
Select United flight, departing Wed, 31 Dec from San Jose to Ontario, returning Sat, 17 Jan, priced at S$461 found 1 day ago
American Airlines
Mon, 5 Jan - Wed, 7 Jan
SJC
San Jose
ONT
Ontario
S$465 Return, found 1 day ago
S$465
Return
found 1 day ago
Select American Airlines flight, departing Mon, 5 Jan from San Jose to Ontario, returning Wed, 7 Jan, priced at S$465 found 1 day ago

Find the cheapest month to fly from San Jose (SJC) to Ontario (ONT)

September is typically the cheapest month to fly

From S$100 - S$566 per traveller.
San Jose to Ontario route information
Origin airport
Norman Y. Mineta San Jose Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
S$292
Distance
534 km
Average flight time
1 hour 39 mins

Perfect flights from San Jose to Ontario

Your Journey from San Jose to Ontario

Start your unforgettable journey with Expedia. Our broad selection of flights from San Jose to Ontario caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, Alaska Airlines, United. Our selection of flights from Norman Y. Mineta San Jose Intl. to Los Angeles - Ontario Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with San Jose to Ontario Flights

Experience the joy of finding cheap flights from Norman Y. Mineta San Jose Intl. to Los Angeles - Ontario Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$173 and roundtrip prices from S$293*.
 

Pre-Flight Essentials

Ensure a smooth journey from San Jose to Ontario with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Ontario

Picture yourself stepping off the plane in Ontario and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your San Jose to Ontario Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from San Jose to Ontario.
 

Beyond the Flight – Exploring Ontario

With Expedia, your adventure extends beyond the flight. Explore Ontario at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from San Jose to Ontario with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from San Jose to Ontario with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to ONT?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip flights between San Jose Intl. Airport and Los Angeles - Ontario Intl. Airport (ONT) start from S$293. Make your booking ASAP to secure the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SJC to Los Angeles - Ontario Intl. Airport (ONT)?
The majority of flights can be conveniently cancelled online, but whether you are charged a fee differs between airlines. If you do have to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Norman Y. Mineta San Jose Intl. Airport (SJC) to Los Angeles - Ontario Intl. Airport (ONT) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SJC to Ontario Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Los Angeles - Ontario Intl. Airport (ONT)?
It only takes an average of 1 hour and 14 minutes to journey from Norman Y. Mineta San Jose Intl. Airport (SJC) (SJC) to ONT (ONT). Recline your seat and get comfortable — but not too comfortable. You'll be landing soon enough.
How far is the flight from SJC to Ontario Airport?
It's only 540 kilometres from Norman Y. Mineta San Jose Intl. Airport (SJC) to ONT. It's quite possible that you'll spend more time getting to and from the airport than actually flying!
Which airlines fly direct from Norman Y. Mineta San Jose Intl. Airport (SJC) to ONT?
Southwest Airlines (WN) will fly you from San Jose Intl. Airport to ONT comfortably and reliably. Choose from 126 direct flights every month on this route.
Are SJC to ONT flight tickets cheaper when they're purchased at the last minute?
It is possible to get great last-minute deals from SJC to Los Angeles - Ontario Intl. Airport (ONT), but it's also possible to miss out entirely! As many airlines advertise prices up to a year in advance, it's worth keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares carrier prices and updates flight deals often, so you can be sure you're always getting the latest offers.

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

San Jose to Los Angeles Intl.
S$229.20

Orange County

San Jose to John Wayne
S$399.80
San Jose Airports

San Francisco

San Francisco Intl. to Ontario
S$380.80
*Available to Expedia members.