There are most likely no direct flights on the Barcelona — San Francisco route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Barcelona to San Francisco. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
The minimum one-way ticket price from Barcelona to San Francisco is $348 (September 2026), while the maximum is $642 (July 2026). On average, a ticket costs $451–$1,004.
A non-stop flight is the most convenient and comfortable way to fly from Barcelona to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Flight costs on the Barcelona — San Francisco route are confidently going down. From July 2026 to September 2026, prices fell from $642 to $348 — a 46% decrease. A welcome trend for travelers.
The most notable drop occurred from July 2026 to September 2026 — down 46%. The best period is August 2026–September 2026 (averaging $355), while the most expensive is July 2026–August 2026 ($502).
Since prices are falling, there's no rush to buy. The most cost-effective travel period is August 2026–September 2026: savings compared to expensive months can reach up to 29%.
Monthly price variation is 30%. Choosing the right departure date can lead to significant savings on this route.
There are most likely no direct flights on the Barcelona — San Francisco route
Barcelona — San Francisco
08/24/2026
Departure
Direct flight
UA673
starting at $1,669
Barcelona — San Francisco
08/11/2026
Departure
Direct flight
LH8856
starting at $1,507
starting at $1,669
starting at $1,507
starting at $477
starting at $651
The Barcelona — San Francisco route is served by a wide range of airlines: 4 in total, including United Airlines, Lufthansa, Ryanair, and Vueling. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $477. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
The cheapest flight ticket from Barcelona to San Francisco according to data for the last 48 hours costs $477
Often the best time to buy tickets from Barcelona to San Francisco is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Barcelona to San Francisco can be found flying in these months: September, August, July.
The fastest flights from Barcelona to San Francisco start from 9 hours 31 minutes in the air.
The following airlines operate direct flights on the route Barcelona — San Francisco: United Airlines, Lufthansa
The cheapest one-way flight from Barcelona to San Francisco departs on 08/24/2026, is operated by Ryanair and costs $477
The cheapest roundtrip flight from Barcelona to San Francisco departs on 10/10/2026, is operated by Aer Lingus and costs $572
Fastest flight from Barcelona to San Francisco takes 1d 9h 31m
There are direct flights on this route 2 days a week: Mo and Tu
The distance between Barcelona and San Francisco is 9571km (5934 miles). There are 7 direct flights from Barcelona to San Francisco. The time difference between Barcelona and San Francisco is 9h. Flights from Barcelona begin at 4:05 PM. The latest flight from Barcelona departs at 4:10 PM
Barcelona is served primarily by Barcelona–El Prat (BCN), the city’s international hub handling most long-haul and European flights, and by a smaller low-cost airport for occasional charters and budget services. El Prat is typically used by full-service carriers as well as low-cost airlines operating dedicated terminals, so fares can range from premium to budget depending on carrier and season. The airport lies about 12 km southwest of Plaça de Catalunya; metro and train links reach central Barcelona in roughly 25–35 minutes (fares usually in the low single-digit euros), while taxis take around 20–30 minutes with fares commonly higher. Pros: well-connected, multiple terminal amenities; cons: can be busy during peak periods and transfers between terminals may add time.
San Francisco International Airport (SFO) is the region’s primary international gateway and a major West Coast hub, handling a mix of full-service carriers (including legacy and international airlines) alongside some low-cost operators. It sits about 13 miles south of downtown San Francisco; plan for roughly 20–45 minutes by car depending on traffic, with ride-shares and taxis typically costing more than public transit. BART connects the airport to downtown in around 30–40 minutes for a moderate fare, while airport shuttles and private transfers can be more convenient for groups. Pros: extensive international connections, amenities, and frequent flights. Cons: can be busy, occasional delays, and ground transport times vary with traffic.
We couldn't find any special offers for flights from Barcelona to San Francisco
