$272 Cheap Flights from San Francisco (SFO) to Barcelona (BCN)

Popular airlines from San Francisco Intl. Airport (SFO) to Barcelona El Prat Airport (BCN)

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Cheap Flights from San Francisco to Barcelona (SFO-BCN)

Prices were available within the past 7 days and start at $272 for one-way flights and $439 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
LEVEL
Iberia
United
Air Canada
Scandinavian Airlines
American Airlines
British Airways
Virgin Atlantic
Delta
Flights from San Francisco (SFO) to Barcelona (BCN)
Origin airport
San Francisco Intl.
Destination airport
Barcelona Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$438
Distance
5956 mi

San Francisco to Barcelona Flights

The cheapest times to fly from San Francisco to Barcelona

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

 

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

Sunday is one of the best days to book for cheap flights from San Francisco to Barcelona: 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 Francisco to Barcelona

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 Francisco to Barcelona in 2025. You can also book with separate airlines for your outbound and return journeys, from $272 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 Francisco to Barcelona 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 Francisco to Barcelona 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 San Francisco Intl. Airport (SFO) to Barcelona Intl. Airport (BCN) cost?
Snag cheap return tickets starting at $616 from San Francisco Intl. Airport (SFO) to Barcelona Intl. Airport (BCN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Iberia flight leaving SFO on April 29 2025 and touching down at BCN. The price was last updated on April 25 2025 and has not changed since.
What is the cheapest month to fly from SFO to BCN?
The cheapest flights from SFO to BCN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SFO to BCN?
Fly from SFO to BCN with LEVEL. This airline currently has the cheapest one-way fare for this route, starting at $341. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SFO on July 20 2025. Prices were last updated on April 25 2025 and have not changed since.
How many flights per day from San Francisco Intl. Airport (SFO) to Barcelona Intl. Airport (BCN)?
Nonstop flights from San Francisco Intl. Airport (SFO) to Barcelona Intl. Airport (BCN) 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 travel details and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from SFO to BCN?
Usually you’ll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SFO to BCN?
United Airlines has the strongest track record for on-time direct flights from San Francisco Intl. Airport (SFO) to Barcelona Intl. Airport (BCN), with an on-time score of 86%. Use the Expedia App to see your flight status before you jet off and receive notifications about any trip changes.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Barcelona Intl. Airport (BCN)?
Opt for a flight from San Francisco Intl. Airport (SFO) to Barcelona Intl. Airport (BCN) that leaves before 3 PM to reduce the likelihood of delays. Later departures are on average 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 San Francisco Intl. Airport (SFO) to Barcelona Intl. Airport (BCN) last-minute?
Waiting until just before your trip to book a flight from SFO to BCN generally means paying more. While it’s possible to find some last-minute discounts, they aren’t always guaranteed. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a SFO to BCN flight and hotel package?
Compared with arranging hotels and flights separately, booking a SFO to BCN flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of planning your trip. Simply pick your flights and choose from our wide range of stays, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Barcelona Intl. Airport (BCN)?
In most instances, you can modify or cancel your SFO to BCN flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline’s rules and fees on flight changes, or if you want further details, go to our Customer Service portal.

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*Available to One Key members.