£361 Find Cheap Flights from Barcelona to San Francisco – Compare and Save

Four cabin classes are available on flights from Barcelona-El Prat Airport to San Francisco:

• Economy class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A direct flight from Barcelona-El Prat Airport to San Francisco takes 00m, covering 5,952 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Barcelona-El Prat Airport to San Francisco range from £488 to £709, with an average of £597 over the past 12 months. Anything below £488 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 12% above the £597 route average. Book 15 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £395 return via Kastrup Copenhagen (CPH), compared with £637 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £53–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 777 family is used most often on this route, operated mainly by Lufthansa and United Airlines. Other aircraft seen on the route include Boeing 787-9 Dreamliner variants.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £438 to £2,467. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Barcelona-El Prat Airport to San Francisco are currently lower than usual. Average one-way flight prices are about £388, which is 23% below the typical average for this route.

San Francisco Airport (SFO) hosts 5 major car hire companies, with daily rates averaging £47 for economy cars. Top options include:

• Europcar
• Thrifty
• Dollar
• Hertz
• Fox

Flights from Barcelona-El Prat Airport to San Francisco usually depart from Barcelona-El Prat (BCN) and arrive at San Francisco (SFO).

Afternoon flights have the fewest delays on this route.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Barcelona-El Prat Airport to San Francisco route, 19% of flights were delayed in the past three months, with delays averaging 2h 53m.

One-stop flights from Barcelona-El Prat Airport to San Francisco most commonly connect through:

• Frankfurt am Main (FRA) – 31% of one-stop connections
• Lisbon Humberto Delgado (LIS) – 17% of one-stop connections
• London Heathrow (LHR) – 13% of one-stop connections
• Amsterdam Schiphol (AMS) – 8% of one-stop connections

Yes. Flexible dates can save you up to 11% on flights from Barcelona-El Prat Airport to San Francisco. Thursday is the cheapest departure day at £567 return on average, while Saturday is the most expensive at £636, a difference of £68.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time of 14h 07m, compared to 15h 17m via Paris Charles de Gaulle (CDG) and 15h 19m via London Heathrow (LHR).

San Francisco is 9 hours behind Barcelona-El Prat Airport (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Francisco are Union Square, Fisherman's Wharf, and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Among airlines operating Barcelona-El Prat Airport to San Francisco flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Lufthansa: a cabin bag and a checked bag in Economy class
• United Airlines: a cabin bag and a checked bag in Economy class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.