$623 Cheap Flights from San Sebastian (EAS) to San Diego (SAN)

View $623 flight on Fri, Nov 21, 2025Opens in a new window

Popular airlines from San Sebastian (EAS) to San Diego Intl. Airport (SAN)

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Cheap Flights from San Sebastian to San Diego (EAS-SAN)

Prices were available within the past 7 days and start at $623 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from San Sebastian Airport (EAS) to San Diego Intl. Airport (SAN) cost?
Grab a cheap one-way flight from $623 or cheap return flight from San Sebastian Airport (EAS) 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 San Sebastian Airport (EAS) to San Diego Intl. Airport (SAN)?
is the most affordable month to fly from EAS to SAN. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from San Sebastian Airport (EAS) to San Diego Intl. Airport (SAN)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest EAS to SAN flight.
How many flights per day from San Sebastian Airport (EAS) to San Diego Intl. Airport (SAN)?
Direct flights from San Sebastian Airport (EAS) 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 filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from EAS to SAN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Sebastian Airport (EAS) to San Diego Intl. Airport (SAN)?
To touch down at San Diego Intl. Airport (SAN) without delays, select a flight that takes off from San Sebastian Airport (EAS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 San Sebastian Airport (EAS) to San Diego Intl. Airport (SAN) last-minute?
Last-minute bookings from EAS to SAN are usually more expensive. To secure the cheapest rates, start searching for flights well in advance. That said, if you're flexible with your travel plans, you may score a cheap fare just before your departure.
Is it cheaper to book an EAS to SAN flight and hotel package?
Compared with arranging hotels and flights separately, booking an EAS to SAN flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the hassle out of travel planning. Just secure your flights and select from our wide range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from San Sebastian Airport (EAS) to San Diego Intl. Airport (SAN)?
If you reserved your EAS 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 ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
San Sebastian
Destination airport
San Diego Intl.
Distance
5786 mi

Book with confidence

Book with confidence

San Sebastian to San Diego Flights

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

 

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

Sunday is one of the best days to book for cheap flights from San Sebastian 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 Sebastian 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 Sebastian to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $623 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 Sebastian 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 Sebastian 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 Sebastian to San Diego Flights

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