Cheap flights from San Francisco to Barcelona from $164
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Barcelona departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from San Francisco to Barcelona-El Prat Airport
Our best United Airlines deals on San Francisco to Barcelona-El Prat Airport flight tickets
TAP AIR PORTUGAL flights from San Francisco to Barcelona-El Prat Airport
Our best TAP AIR PORTUGAL deals on San Francisco to Barcelona-El Prat Airport flight tickets
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How to get the cheapest flight ticket from San Francisco to Barcelona-El Prat Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Barcelona-El Prat Airport?
The cheapest month to fly to Barcelona-El Prat Airport from San Francisco is in January. Flight prices, which tend to average around $532, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from San Francisco during March instead. Flights to Barcelona-El Prat Airport in March, while not as cheap as those in January, still average around $550.
What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?
The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $769. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $971. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.
What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?
Flying to Barcelona-El Prat Airport from San Francisco in the evening is the least expensive time of day to depart. momondo users have found prices as low as $806 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $939 on average. Flights to Barcelona-El Prat Airport from San Francisco in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest San Francisco to Barcelona-El Prat flight route?
Fly from San Francisco to Barcelona-El Prat for the best San Francisco - Barcelona-El Prat flight prices
How far in advance should I book a flight to Barcelona-El Prat Airport?
You are more likely to see cheaper flights to Barcelona-El Prat Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $735 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from San Francisco for as low as $622 on momondo.
What cabin class options are available on San Francisco to Barcelona-El Prat flights?
There are 3 cabin classes available to choose from on San Francisco to Barcelona-El Prat flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Francisco to Barcelona-El Prat?
TAP AIR PORTUGAL, Iberia, and Vueling are the most popular carriers operating from San Francisco to Barcelona-El Prat
What airlines fly to Barcelona-El Prat Airport?
United Airlines, Iberia and LEVEL are the top three most popular airlines that fly to Barcelona-El Prat Airport from San Francisco according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 21 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to Barcelona-El Prat Airport on average per day?
As of July 2025, there are 2 flights per day flying from San Francisco to Barcelona-El Prat Airport. The most common time of day flights depart is 5:00PM, with 82% of flights taking off in the afternoon.
How many flights depart from San Francisco to Barcelona-El Prat Airport on average per week?
15 flights are operational weekly from San Francisco to Barcelona-El Prat Airport as of July 2025. The most popular departure day for this route is Thu, with 20% of flights per week taking off on this day.
When to book flights from San Francisco to Barcelona-El Prat Airport
Cheap San Francisco to Barcelona-El Prat Airport (SFO to BCN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Barcelona-El Prat Airport
How far is San Francisco to Barcelona-El Prat by plane?
The distance between San Francisco and Barcelona-El Prat is about 5944.3 mi. 11h 35m is a normal flight duration for this route.
When did momondo last update prices for flights from San Francisco Airport to Barcelona-El Prat Airport?
Prices for flights from San Francisco Airport to Barcelona-El Prat Airport refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Barcelona-El Prat Airport?
As of July 2025, there are 21 operators available to choose from for flights from San Francisco Airport to Barcelona-El Prat Airport.
How old do you have to be to fly from San Francisco Airport to Barcelona-El Prat Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Barcelona-El Prat Airport.
What documentation or ID do you need to fly to Barcelona-El Prat Airport?
The required travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona-El Prat Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from San Francisco to Barcelona-El Prat Airport?
Based on momondo bookings for flights between San Francisco and Barcelona-El Prat Airport, the leading plane model is Boeing 777, making up 46.03% of the total bookings. Other popular models include Airbus A330-200 with 44.39%, Airbus A330 with 6.83%, and Airbus A330-900neo with 0.96%.
What is the most popular airline from San Francisco to Barcelona-El Prat Airport?
Based on momondo bookings for flights between San Francisco and Barcelona-El Prat Airport, the leading airline is United Airlines, making up 31% of the total bookings. Other popular airlines include Iberia with 15%, LEVEL with 12%, and British Airways with 9%.
Best airlines flying from San Francisco to Barcelona-El Prat Airport
Compare and see reviews for airlines that fly from San Francisco to Barcelona-El Prat Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $367 | Free Cancellation | Rating 7.1 1,908 reviews | |||
| PriceFrom $374 | Free Cancellation | Rating 4.0 4 reviews | |||
| PriceFrom $388 | Free Cancellation | Rating 7.0 2,820 reviews | |||
| PriceFrom $404 | Free Cancellation | Rating 7.4 654 reviews | |||
| PriceFrom $418 | Free Cancellation | Rating 7.6 1,306 reviews | |||
| PriceFrom $444 | Free Cancellation | Rating 7.1 9,681 reviews | |||
| PriceFrom $454 | Free Cancellation | Rating 7.1 1,170 reviews | |||
| PriceFrom $455 | Free Cancellation | Rating 7.5 1,654 reviews | |||
| PriceFrom $464 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $464 | Free Cancellation | Rating 6.7 1,000 reviews |
Traveling to a place near Barcelona?
Book flights to Barcelona if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Francisco to Barcelona?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Barcelona. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from San Francisco to Barcelona with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Barcelona from San Francisco with this policy.
How can momondo help me find flights from San Francisco to Barcelona?
Once all potential San Francisco to Barcelona flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from San Francisco to Barcelona right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Barcelona, momondo offers a useful price alert feature which will track prices for flights to Barcelona from San Francisco and alert you when they change.