Flights from San Francisco to Barcelona

Our cheapest offers for flights from San Francisco to Barcelona

Here you can compare cheap flights from San Francisco (SFO) to Barcelona (BCN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Barcelona. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
San Francisco
Barcelona
Outbound
12/09/25
1 Stopover (ZRH)
LX0039, LX1950
18h 35min
Return
12/31/25
1 Stopover (ZRH)
LX1951, LX0038
18h 45min
Swiss International Air Lines ?
$721
San Francisco
Barcelona
Please note: transfer for connecting flight
Outbound
12/20/25
3 Stopovers (MSP, EWR, JFK, LIS)
SY0398, SY0233, TP0210, TP1038
35h 21min
Return
01/02/26
3 Stopovers (LIS, DUB, LAX)
VY8460, EI0483, EI0069, EI7391
24h 38min
Sun Country Airlines, TAP Air Portugal
$1,878
San Francisco
Barcelona
Outbound
11/22/25
1 Stopover (PHL)
AA1826, AY3814
24h 45min
Return
11/29/25
1 Stopover (PHL)
AY3815, AA1826
18h 35min
American Airlines, Finnair
$866
San Francisco
Barcelona
Outbound
11/22/25
1 Stopover (MIA)
AA1665, AY3780
22h 06min
Return
11/29/25
1 Stopover (PHL)
AY3815, AA1826
18h 35min
American Airlines, Finnair ?
$870
San Francisco
Barcelona
Outbound
12/06/25
1 Stopover (JFK)
VS4848, VS3888
25h 45min
Return
01/02/26
1 Stopover (JFK)
VS3886, VS4809
19h 23min
Virgin Atlantic Airways ?
$876
San Francisco
Barcelona
Outbound
11/22/25
1 Stopover (PHL)
AA1826, AY3814
24h 45min
Return
11/29/25
1 Stopover (PHL)
AY3815, AA1826
18h 35min
American Airlines, Finnair ?
$886
San Francisco
Barcelona
Outbound
11/22/25
1 Stopover (MUC)
LH0459, LH4164
16h 25min
Return
11/29/25
1 Stopover (MUC)
LH4165, LH0458
21h 05min
Lufthansa
$916
San Francisco
Barcelona
Outbound
11/22/25
1 Stopover (MUC)
LH0459, LH4164
16h 25min
Return
11/29/25
1 Stopover (MUC)
LH4165, UA0195
16h 20min
Lufthansa ?
$984
San Francisco
Barcelona
Outbound
11/22/25
2 Stopovers (LAX, YUL)
UA2179, UA8030, UA8674
25h 36min
Return
11/29/25
2 Stopovers (LGW, LHR, DUB)
U28064, EI0155, EI0063
37h 25min
United Airlines ?
$1,018
San Francisco
Barcelona
Outbound
11/22/25
1 Stopover (LHR)
BA0286, BA0492
16h 50min
Return
11/29/25
1 Stopover (LHR)
BA0493, BA0285
17h 20min
British Airways ?
$1,029
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from San Francisco to Barcelona

Favorite airline: British Airways
Flight tickets on the route San Francisco – Barcelona are most frequently booked with British Airways.
British Airways
19 %
Air Canada
14 %
Vueling Airlines
14 %
Direct flights are more expensive
Flights with a stopover are on average $27.00 cheaper than direct flights.
non stop flight
1 stop
2 stops
11h 40min
25h 45min
27h 00min
$561
$534
$824
The favorite connection is non-stop
Direct flights are especially popular on this route. 38 % of travelers will book a direct flight.
Route
bookings
Direct flights
11h 40min, from $561
38 %
1 stopover London Heathrow
15h 30min, from $545
25 %
1 stopover Zurich (Zürich)-Kloten
18h 35min, from $956
19 %

Important flight information

Flight information: San Francisco - Barcelona

Roundtrip from $720.21
Flight duration min. 11:35
Return flight duration min. 12:45
Distance 9596 km
Flights per week 2
Departure airport Airport San Francisco International Airport, CA (SFO)
Arrival airport Airport Barcelona (BCN)
Destination country Flights to Spain
Alternative flights to Barcelona
Flight destinations with a similar price
Flight destinations with a similar price