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$555 Cheap Flights from Barcelona (BCN) to San Diego (SAN)

View $555 flight on Thu, Oct 22, 2026Opens in a new window

Popular airlines from Barcelona El Prat Airport (BCN) to San Diego Intl. Airport (SAN)

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Cheap Flights from Barcelona to San Diego (BCN-SAN)

Prices were available within the past 7 days and start at $555 for one-way flights and $803 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Jan 14 - Wed, Jan 20
BCN
Barcelona
SAN
San Diego
$803 Roundtrip, found 1 hour ago
$803
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Jan 14 from Barcelona to San Diego, returning Wed, Jan 20, priced at $803 found 1 hour ago
British Airways
Thu, Jan 7 - Wed, Jan 13
BCN
Barcelona
SAN
San Diego
$803 Roundtrip, found 2 hours ago
$803
Roundtrip
found 2 hours ago
Select British Airways flight, departing Thu, Jan 7 from Barcelona to San Diego, returning Wed, Jan 13, priced at $803 found 2 hours ago
American Airlines
Thu, Jan 14 - Wed, Jan 20
BCN
Barcelona
SAN
San Diego
$805 Roundtrip, found 1 hour ago
$805
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Jan 14 from Barcelona to San Diego, returning Wed, Jan 20, priced at $805 found 1 hour ago
American Airlines
Thu, Jan 14 - Wed, Jan 20
BCN
Barcelona
SAN
San Diego
$807 Roundtrip, found 1 hour ago
$807
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Jan 14 from Barcelona to San Diego, returning Wed, Jan 20, priced at $807 found 1 hour ago
American Airlines
Thu, Jan 14 - Wed, Jan 20
BCN
Barcelona
SAN
San Diego
$809 Roundtrip, found 1 hour ago
$809
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Jan 14 from Barcelona to San Diego, returning Wed, Jan 20, priced at $809 found 1 hour ago
Iberia
Thu, Jan 14 - Wed, Jan 20
BCN
Barcelona
SAN
San Diego
$812 Roundtrip, found 1 hour ago
$812
Roundtrip
found 1 hour ago
Select Iberia flight, departing Thu, Jan 14 from Barcelona to San Diego, returning Wed, Jan 20, priced at $812 found 1 hour ago
United
Thu, Jan 21 - Wed, Jan 27
BCN
Barcelona
SAN
San Diego
$894 Roundtrip, found 8 hours ago
$894
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Jan 21 from Barcelona to San Diego, returning Wed, Jan 27, priced at $894 found 8 hours ago
Lufthansa
Thu, Jan 21 - Wed, Jan 27
BCN
Barcelona
SAN
San Diego
$894 Roundtrip, found 8 hours ago
$894
Roundtrip
found 8 hours ago
Select Lufthansa flight, departing Thu, Jan 21 from Barcelona to San Diego, returning Wed, Jan 27, priced at $894 found 8 hours ago
Swiss International Air Lines
Thu, Jan 21 - Wed, Jan 27
BCN
Barcelona
SAN
San Diego
$903 Roundtrip, found 8 hours ago
$903
Roundtrip
found 8 hours ago
Select Swiss International Air Lines flight, departing Thu, Jan 21 from Barcelona to San Diego, returning Wed, Jan 27, priced at $903 found 8 hours ago
Delta
Thu, Jan 21 - Wed, Jan 27
BCN
Barcelona
SAN
San Diego
$914 Roundtrip, found 8 hours ago
$914
Roundtrip
found 8 hours ago
Select Delta flight, departing Thu, Jan 21 from Barcelona to San Diego, returning Wed, Jan 27, priced at $914 found 8 hours ago

Find the cheapest month to fly from Barcelona (BCN) to San Diego (SAN)

October is typically the cheapest month to fly

From $730 - $980 per traveler.

What you need to know for your flight from Barcelona Intl. to San Diego Intl.

Barcelona (BCN) to San Diego (SAN) at a glance

Embark on an exciting journey from Barcelona (BCN) to San Diego (SAN) with a selection of airlines catering to this international long-haul route. Choose between full-service and budget carriers to discover the best flight options that align with your budget, schedule, and travel preferences as you prepare to experience San Diego’s renowned attractions and neighborhoods. Here, you'll find essential details for flights departing from Barcelona International Airport (BCN) to San Diego International Airport (SAN).

  • Fastest flight duration: around 14h 15m in-flight, plus roughly 2 hours layover with one stop
  • Route distance: roughly 6,000 miles (9,660 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $480–$1580, depending on seasonality and how far ahead you book

Flights from Barcelona International Airport (BCN) to San Diego International Airport (SAN)

Based on the latest traveler bookings, here are the top airlines flying from Barcelona to San Diego, often selected for one-stop and multi-stop journeys. Common layover points include Dallas-Fort Worth International Airport (DFW) with about a 2-hour layover, Heathrow Airport (LHR) at approximately 2 hours and 30 minutes, and Philadelphia International Airport (PHL) with a 2-hour layover. This variety allows you to balance price, total travel time, and cabin class to create the ideal itinerary.

  • American Airlines: This full-service airline provides one-stop service with one-way ticket prices generally falling between $535 and $1215. It represents about 33% of flights on this route, with an in-flight duration of 14 hours and 15 minutes, leading to a total travel time of approximately 16 hours and 15 minutes, including layover time.
  • British Airways: Another full-service option, British Airways offers one-stop flights with one-way fares typically ranging from $520 to $1325. This airline accounts for around 23% of route departures, featuring an in-flight duration of 14 hours and 15 minutes and a total journey time of about 16 hours and 15 minutes, factoring in layovers.
  • Lufthansa: Providing one-stop service, Lufthansa is a full-service carrier with one-way fares usually ranging from $480 to $1825. It makes up about 11% of departures for this route, with an in-flight time of 14 hours and 15 minutes, leading to a total journey duration of approximately 16 hours and 15 minutes, including layovers.
  • Air Europa: As a full-service airline, Air Europa offers multi-stop services with one-way fares typically between $725 and $980. This carrier constitutes around 8% of departures on this route, featuring an in-flight duration of 16 hours and a total journey time of roughly 21 hours, including layover periods.
  • Iberia: This full-service carrier provides one-stop services, with one-way fares generally ranging from $990 to $1270. Iberia accounts for about 7% of flights on this route, with an in-flight time of 14 hours and 15 minutes and a total journey time of around 16 hours and 15 minutes, including layover times.

Best time to fly from Barcelona (BCN) to San Diego (SAN)

The most popular months for travelers flying from Barcelona to San Diego are April, July, and August, when peak temperatures in San Diego reach up to 72.3°F in August. If you prefer quieter travel, consider February, the least busy time to visit with temperatures around 56.8°F and typically the lowest average one-way fare (around $665). Flight availability peaks in June and July, with approximately 9 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: February usually offers good deals with average one-way fare around $665, roughly 32% cheaper than the yearly average.
  • More budget-friendly months to fly: September and October typically offer average one-way fares of around $754.
  • Most flight options: June and July have the highest number of flights from Barcelona to San Diego, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January57.4°F (14.1°C)Average7$1029
February56.8°F (13.8°C)Low7$665
March58.1°F (14.5°C)Average8$775
April60.6°F (15.9°C)High8$765
May62.6°F (17.0°C)Low7$983
June66.4°F (19.1°C)Average9$1615
July70.5°F (21.4°C)High9$1176
August72.3°F (22.4°C)High7$1202
September72.0°F (22.2°C)Average7$752
October68.2°F (20.1°C)Average8$755
November62.6°F (17.0°C)Low7$1115
December57.4°F (14.1°C)Average7$910

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Barcelona (BCN) to San Diego (SAN)

  • Barcelona to San Diego (BCN-SEE): Gillespie Field Airport (SEE) lies approximately 14 miles from San Diego International Airport (SAN).
  • Barcelona to San Diego (BCN-SDM): Brown Field Municipal Airport (SDM) is located about 17 miles from San Diego International Airport (SAN).
  • Girona to San Diego (GRO-SAN): Costa Brava Airport (GRO) is around 54 miles from Barcelona International Airport (BCN).

How to find the best prices for flights from Barcelona (BCN) to San Diego (SAN)

Getting some of the best deals on flights from Barcelona to San Diego is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking within two weeks, although most travelers book at least two months in advance. Morning departures from 5 AM to 12 PM tend to offer the lowest prices and are also the most popular flight times. Additionally, flying on Wednesday usually provides cheaper options, while Tuesday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find San Diego hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at San Diego International Airport from Barcelona International Airport

San Diego welcomes travelers from Barcelona with a range of transport options based on price, convenience, and proximity. For departures, Barcelona International Airport is roughly a 15-minute drive (covering about 10 miles) from central Barcelona. Here's how to reach San Diego efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in San Diego, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from San Diego International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at San Diego International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From San Diego International Airport, Seaport, a seaport, is located about 0.1 miles away on foot, while Middletown Station, a metro station, is approximately 2.3 miles from the airport by car. For cruise travelers, B Street Cruise Ship Terminal, a cruise terminal, is situated about 3 miles away by car, providing convenient access to various transport options.

Frequently asked questions

How much does a flight from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.) cost?
You can find cheap one-way flights from $555 and cheap return flights from $803 Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.) with Expedia. One-way flights usually range from $576 to $4883, and return flights typically cost between $903 and $6521. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The cheapest month to fly from BCN to SAN is January when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Enter BCN to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Virgin Atlantic is one of the cheapest airlines offering connecting flights from Barcelona (BCN) to San Diego (SAN) with a layover in John F. Kennedy Intl. (JFK), starting from around $1,268. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The earliest flight from Barcelona (Barcelona International) to San Diego, CA (San Diego International) usually departs at around 5:50 AM. This seasonal service is active in February and March, giving you an early start to your journey. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The most popular departure times for flights from Barcelona (BCN) to San Diego (SAN) are in the late morning, from 9am to noon. About 54% of passengers prefer this time window. Many major carriers, including Lufthansa, American Airlines, and Delta, offer flights during this window. This timing works well because it allows you to start your day in Barcelona and arrive in San Diego with plenty of time to settle in.
How long does it take to fly from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Flying from BCN to SAN with a connection usually takes about 18 hours 30 minutes, traveling roughly 6,029 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Business class seats are offered on the BCN to SAN route. Airlines that offer business class service on this route include:

  • Lufthansa
  • United Airlines
  • Delta Air Lines
  • KLM
  • American Airlines
  • Icelandair
  • TAP Portugal
  • Air Europa
  • British Airways
  • Iberia

How do I earn miles on a Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Diego from Barcelona Intl. (BCN)?
From Barcelona Intl. (BCN), you can fly into San Diego Intl. (SAN) to reach San Diego. Some flights may connect through major hubs like Frankfurt Intl. (FRA), Heathrow (LHR), Adolfo Suarez Madrid-Barajas (MAD) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.) San Diego Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your Barcelona (BCN-Barcelona Intl.) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Barcelona Intl.
Destination airport
San Diego Intl.
Airlines serving
Aer Lingus, Air Canada, Air Europa, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$802
Distance
6028 mi

Book with confidence

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 January. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $555 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.

 

Barcelona to San Diego Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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