$414 Cheap United flights from San Francisco to Barcelona (SFO to BCN)

Find The Best Day To Fly from San Francisco to Barcelona

Amazing United SFO to BCN Flight Deals

The cheapest flights to Barcelona Intl. found within the past 7 days were $623 round trip and $414 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Aug 19 - Tue, Sep 8
SFO
San Francisco
BCN
Barcelona
$623 Roundtrip, found 6 days ago
$623
Roundtrip
found 6 days ago
Select United flight, departing Wed, Aug 19 from San Francisco to Barcelona, returning Tue, Sep 8, priced at $623 found 6 days ago

BCN From SFO Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Allegro Barcelona

Allegro Barcelona

3 out of 5
Price was $1,194, price is now $870 per person
$870
per person
Nov 6 - Nov 12
found 1 day ago
Roundtrip flight included
San Francisco (SFO) to Barcelona (BCN)
Lamaro Hotel

Lamaro Hotel

5 out of 5
Save 100% on your flight
Price was $1,528, price is now $1,016 per person
$1,016
per person
Jan 6 - Jan 12
found 1 day ago
Roundtrip non-stop flight included
San Francisco (SFO) to Barcelona (BCN)
Hotel Indigo Barcelona Plaza Espana by IHG

Hotel Indigo Barcelona Plaza Espana by IHG

4 out of 5
Save 100% on your flight
Price was $2,515, price is now $1,732 per person
$1,732
per person
Nov 6 - Nov 12
found 1 day ago
Roundtrip flight included
San Francisco (SFO) to Barcelona (BCN)
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Frequently asked questions

Can I catch a flight from San Francisco Airport to BCN right now?
For information on any current BCN travel advice and quarantine requirements, go to our Covid-19 Travel Advisor. Check before you arrange your flight, so you don't get caught out.
What terminal is United Airlines at San Francisco Airport?
Before you fly from San Francisco Airport to Barcelona Airport with United Airlines, it might be a good idea to get in touch with the airline to find out your terminal information. While your boarding pass should display some of the details, there's no guarantee.
Are there United Airlines non-stop flights from SFO to BCN?
United Airlines doesn't operate direct flights between SFO and BCN, so prepare to make at least one stopover. If you've got enough time between flights, sit down and enjoy a coffee while waiting for your connection.
How long is a United Airlines flight from SFO to BCN?
You can wander wisely from the instant you board the plane. With a United Airlines flight from San Francisco Airport to Josep Tarradellas Barcelona–El Prat Airport lasting an average of 12 hours and 57 minutes, it's smart to have a few survival strategies to depend on. Some toiletries and spare clothes should be among the essentials packed away in your carry-on.
How many direct and indirect flights does United Airlines fly from SFO to BCN?
If you're traveling from SFO to BCN, there are around 3 United Airlines daily flights to select from.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Barcelona Intl. Airport (BCN), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from San Francisco SFO to Barcelona BCN 

To find the best deals on flights to San Francisco from Barcelona with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from San Francisco SFO to Barcelona BCN with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $623 to $623, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from San Francisco SFO to Barcelona BCN 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from San Francisco to Barcelona costs from $414. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Barcelona BCN from  San Francisco SFO with United 

To find a cheap United flight from San Francisco SFO to Barcelona BCN, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from San Francisco SFO to Barcelona BCN 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover. 

 

Find nonstop flights from San Francisco SFO to Barcelona BCN with United 

If you’re keen to be on Barcelona soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from San Francisco SFO to Barcelona BCN 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Barcelona BCN from  San Francisco SFO with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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Barcelona Airport Hotel

Barcelona Airport Hotel

4 out of 5
Plaza de la Volateria, 3, Poligono Mas Blau, El Prat de Llobregat
This smoke-free hotel features 2 restaurants, a bar/lounge, and a gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
8.6/10 Excellent! (5,000 reviews)
Excellent hotel.

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Best Western Plus Hotel Alfa Aeropuerto

Best Western Plus Hotel Alfa Aeropuerto

4 out of 5
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This hotel features a restaurant, an indoor pool, and a bar/lounge. Traveling on business? Take advantage of the business center, free WiFi in public areas, ...
8.8/10 Excellent! (1,757 reviews)
Everything was great and we only had one slight problem. Patently the free shuttle to the hotel only runs in the morning and after 6pm. Our flight landed at 2pm so after waiting in the shuttle area quite awhile, we had to call the hotel. We ended up taking a taxi and the rest of the stay was ...

Reviewed on Oct 21, 2025

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Camping 3 Estrellas

Camping 3 Estrellas

2 out of 5
C-31, km 186, Gava, Barcelona
This campground features a restaurant, an outdoor tennis court, and a bar/lounge. Bring the family and enjoy the free kid's club, mini golf, and children's pool. ...
8/10 Very Good! (1,253 reviews)
3 Estrellas has been my comfortable place of choice. I just like everything about the place. I will always recommend and go back whenever I can. Hasta pronto!

Reviewed on Oct 18, 2025

Camping 3 Estrellas
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.