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Cheap Flights Ontario Intl. Airport to San Diego (ONT-SAN)

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ONT to SAN Flights

Ready to have the time of your life? When you use Expedia.co.nz to book cheap flights from Ontario to San Diego, you can experience all of the attractions this city is famous for, or escape the crowds and explore the outskirts on your own. Our amazing deals on airfare help you save big on tickets, so you can spend more of your hard-earned money enjoying local entertainment options. Even if you seek to score a seat on one of the last-minute ONT to SAN flights, you’ll still save a bundle when compared to the competition.

See for yourself how simple it is to book the holiday of your dreams to San Diego by using our helpful search engine today. We have the largest inventory of flights on the internet, and our intuitive tools make it easy to find affordable airfare at any time of year.

Prefer to fly with a particular airline? Our extensive network of travel partners ensures that you can travel with whichever carrier you prefer. So if you’ve been searching for cheap flights to San Diego from Ontario, Expedia.co.nz has exactly what you’re looking for. As the world’s leader in travel, we’re committed to helping you get the best rates around.

Frequently Asked Questions

How much is a flight from ONT to San Diego Airport?

Start packing your suitcase, because round-trip journeys between ONT and San Diego Airport start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book now to secure the best deal. Prices and availability are subject to change. Additional terms apply.

Do I need to pay a cancellation fee if I cancel my flight from ONT to San Diego Airport?

We understand that things come up unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.

How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to SAN 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 ONT to San Diego Airport flights, you'll see a "no change fees" filter for you to select.

How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to SAN?

You can forget about a movie marathon on this flight — it's just 150 kilometres from Ontario to San Diego. Sit down, get comfortable and you'll be touching down before long.

Which airlines fly direct from Ontario Airport to SAN?

You won't find any airlines operating directly between ONT and San Diego Airport, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!

Are Los Angeles - Ontario Intl. Airport (ONT) to San Diego Airport flight tickets cheaper when they're purchased at the last minute?

It is possible to pick up a fantastic last-minute deal from ONT to San Diego Intl. Airport (SAN), but it can also be hit-or-miss. As many airlines release seats up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you spot a good bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can rest easy knowing you're always getting the latest offers.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
San Diego Intl. Airport
Distance
152 km away
Airlines serving
Frontier Airlines, Alaska Airlines, Southwest Airlines, American Airlines, United, Delta
Popular airline
Frontier Airlines
*Available to Expedia members.