Cheap Flights from Barcelona (BCN) to San Diego (SEE)

Popular airlines from Barcelona El Prat Airport (BCN) to San Diego, CA (SEE-Gillespie Field)

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $859
SAN
San Diego Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $859
Flights from Barcelona (BCN) to San Diego (SEE)
Origin airport
Barcelona Intl.
Destination airport
Gillespie Field
Distance
6015 mi

Barcelona to San Diego Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Barcelona 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 Barcelona 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 Barcelona to San Diego 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 Barcelona 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 Barcelona 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.

 

Frequently asked questions

How much does a flight from Barcelona Intl. Airport (BCN) to San Diego, CA (SEE-Gillespie Field) cost?
Grab a cheap one-way flight or cheap return flight from Barcelona Intl. Airport (BCN) to San Diego, CA (SEE-Gillespie Field) 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 Barcelona Intl. Airport (BCN) to San Diego, CA (SEE-Gillespie Field)?
is the least expensive month to fly from BCN to SEE. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from Barcelona Intl. Airport (BCN) to San Diego, CA (SEE-Gillespie Field)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BCN to SEE flight.
How many flights per day from Barcelona Intl. Airport (BCN) to San Diego, CA (SEE-Gillespie Field)?
You'll have to book a flight with a layover if you're traveling from Barcelona Intl. Airport (BCN) to San Diego, CA (SEE-Gillespie Field). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from BCN to SEE?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be 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 Barcelona Intl. Airport (BCN) to San Diego, CA (SEE-Gillespie Field)?
To touch down at San Diego, CA (SEE-Gillespie Field) on schedule, opt for a flight that leaves from Barcelona Intl. Airport (BCN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Barcelona Intl. Airport (BCN) to San Diego, CA (SEE-Gillespie Field) last-minute?
Booking your ticket from BCN to SEE shortly before your getaway is usually more expensive. However, if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a BCN to SEE flight and hotel package?
Compared with arranging flights and hotels separately, booking a BCN to SEE flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place takes the hassle out of planning your trip. Simply secure your flights and choose from our extensive 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 Barcelona Intl. Airport (BCN) to San Diego, CA (SEE-Gillespie Field)?
If you reserved your BCN to SEE flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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*Available to One Key members.