Cheap Flights from San Juan (SIG) to Ontario (ONT)

Popular airlines from San Juan (SIG-Fernando Luis Ribas Dominicci) to Los Angeles - Ontario Intl. Airport (ONT)

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Flights from San Juan (SIG) to Ontario (ONT)
Origin airport
Fernando Luis Ribas Dominicci
Destination airport
Los Angeles - Ontario Intl.
Distance
3329 mi

San Juan to Ontario Flights

The cheapest times to fly from San Juan to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Ontario are during the month of . You can find some of the cheapest flights from San Juan to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Ontario

Sunday is one of the best days to book for cheap flights from San Juan to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Juan to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Fernando Luis Ribas Dominicci Airport (SIG) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Lock in a cheap one-way flight or cheap return flight from Fernando Luis Ribas Dominicci Airport (SIG) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Fernando Luis Ribas Dominicci Airport (SIG) to Los Angeles - Ontario Intl. Airport (ONT)?
is the cheapest month to fly from SIG to ONT. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Fernando Luis Ribas Dominicci Airport (SIG) to Los Angeles - Ontario Intl. Airport (ONT)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SIG to ONT flight.
How many flights per day from Fernando Luis Ribas Dominicci Airport (SIG) to Los Angeles - Ontario Intl. Airport (ONT)?
Direct flights from Fernando Luis Ribas Dominicci Airport (SIG) to Los Angeles - Ontario Intl. Airport (ONT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SIG to ONT?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Fernando Luis Ribas Dominicci Airport (SIG) to Los Angeles - Ontario Intl. Airport (ONT)?
To avoid potential delays on the Fernando Luis Ribas Dominicci Airport (SIG) to Los Angeles - Ontario Intl. Airport (ONT) route, aim to travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Fernando Luis Ribas Dominicci Airport (SIG) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Last-minute fares from SIG to ONT are usually more expensive. To lock in the cheapest rates, start searching for flights as early as possible. That said, if your travel plans are flexible, it's possible to find a cheap fare right before your journey.
Is it cheaper to book a SIG to ONT flight and hotel package?
You can save money by securing a SIG to ONT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred flights and accommodations, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Fernando Luis Ribas Dominicci Airport (SIG) to Los Angeles - Ontario Intl. Airport (ONT)?
If you reserved your SIG to ONT flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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