Cheap Flights from San Juan (SIG) to San Diego (SAN)

Popular airlines from San Juan (SIG-Fernando Luis Ribas Dominicci) to San Diego Intl. Airport (SAN)

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Frequently asked questions

How much does a flight from Fernando Luis Ribas Dominicci Airport (SIG) to San Diego Intl. Airport (SAN) cost?
Snag a cheap one-way flight or cheap return flight from Fernando Luis Ribas Dominicci Airport (SIG) to San Diego Intl. Airport (SAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Fernando Luis Ribas Dominicci Airport (SIG) to San Diego Intl. Airport (SAN)?
Planning your trip for can help you save, as it's the cheapest month for flights between SIG and SAN. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Fernando Luis Ribas Dominicci Airport (SIG) to San Diego Intl. Airport (SAN)?
To find the cheapest airline flying from SIG to SAN, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Fernando Luis Ribas Dominicci Airport (SIG) to San Diego Intl. Airport (SAN)?
Direct flights from Fernando Luis Ribas Dominicci Airport (SIG) to San Diego Intl. Airport (SAN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SIG to SAN?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, such as 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 San Diego Intl. Airport (SAN)?
Select a flight from Fernando Luis Ribas Dominicci Airport (SIG) to San Diego Intl. Airport (SAN) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 San Diego Intl. Airport (SAN) last-minute?
Holding off until just before your trip to book a flight from SIG to SAN generally means paying more. While it's possible to find some last-minute deals, there's no guarantee. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book a SIG to SAN flight and hotel package?
Compared with arranging flights and hotels separately, booking a SIG to SAN flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Simply secure your flights and select from our wide range of stays, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Fernando Luis Ribas Dominicci Airport (SIG) to San Diego Intl. Airport (SAN)?
If you reserved your SIG to SAN flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after 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'd like more information.

Travel information

Origin airport
Fernando Luis Ribas Dominicci
Destination airport
San Diego Intl.
Distance
3299 mi

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San Juan to San Diego Flights

The cheapest times to fly from San Juan to San Diego

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 San Diego are during the month of . You can find some of the cheapest flights from San Juan to San Diego with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Juan to San Diego: 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 San Diego

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 San Diego in 2026. 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 San Diego 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 San Diego 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.

 

San Juan to San Diego Flights
*Available to One Key members.