Find Cheap Flights from Spain to San Francisco

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Spain to San Francisco

(Round-trip)
Depart: Tue Jan 16 2018 Return: Fri Jan 26 2018 Trip spans 11 days
Multiple Airlines
Multiple Airlines
BCN
SFO
25h 35m
1 stop
SFO
BCN
13h 55m
1 stop
Depart: Wed Mar 21 2018 Return: Mon Apr 2 2018 Trip spans 13 days
KLM
KLM
BCN
SFO
19h 25m
2 stops
SFO
BCN
17h 30m
1 stop
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
SWISS
SWISS
BCN
SFO
15h 35m
1 stop
SFO
BCN
14h 20m
1 stop
Depart: Wed Nov 29 2017 Return: Wed Dec 13 2017 Trip spans 15 days
Brussels Airlines
Brussels Airlines
MAD
SFO
23h 08m
2 stops
SFO
MAD
21h 15m
2 stops
Depart: Sun Mar 18 2018 Return: Wed Apr 4 2018 Trip spans 18 days
Lufthansa
Lufthansa
BCN
SFO
19h 40m
1 stop
SFO
BCN
15h 30m
1 stop
Depart: Tue Jan 16 2018 Return: Fri Jan 26 2018 Trip spans 11 days
Multiple Airlines
Multiple Airlines
BCN
SFO
25h 35m
1 stop
SFO
BCN
13h 55m
1 stop
Depart: Fri Oct 20 2017 Return: Mon Oct 23 2017 Trip spans 4 days
KLM
KLM
BCN
SFO
17h 39m
1 stop
SFO
BCN
37h 05m
1 stop
Depart: Wed Nov 22 2017 Return: Thu Dec 7 2017 Trip spans 16 days
SWISS
SWISS
AGP
SFO
36h 20m
1 stop
SFO
AGP
31h 25m
1 stop
Depart: Wed Nov 29 2017 Return: Tue Dec 12 2017 Trip spans 14 days
Brussels Airlines
Brussels Airlines
MAD
SFO
23h 08m
2 stops
SFO
MAD
17h 30m
1 stop
Depart: Sun Mar 18 2018 Return: Thu Apr 5 2018 Trip spans 19 days
Lufthansa
Lufthansa
BCN
SFO
19h 40m
1 stop
SFO
BCN
14h 20m
1 stop
Depart: Wed Mar 21 2018 Return: Tue Apr 10 2018 Trip spans 21 days
Multiple Airlines
Multiple Airlines
BCN
SFO
19h 25m
2 stops
SFO
BCN
16h 55m
2 stops
Depart: Fri Oct 20 2017 Return: Mon Oct 23 2017 Trip spans 4 days
KLM
KLM
BCN
SFO
19h 52m
1 stop
SFO
BCN
37h 05m
1 stop
Depart: Sun Apr 29 2018 Return: Tue May 15 2018 Trip spans 17 days
SWISS
SWISS
BCN
SFO
34h 10m
1 stop
SFO
BCN
14h 20m
1 stop
Depart: Tue Nov 28 2017 Return: Wed Dec 13 2017 Trip spans 16 days
Brussels Airlines
Brussels Airlines
MAD
SFO
22h 13m
2 stops
SFO
MAD
21h 15m
2 stops
Depart: Mon Apr 30 2018 Return: Tue May 8 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
BCN
SFO
27h 30m
1 stop
SFO
BCN
18h 25m
1 stop
Depart: Wed Jan 10 2018 Return: Sat Jan 20 2018 Trip spans 11 days
Lufthansa
Lufthansa
MAD
SFO
18h 35m
1 stop
SFO
MAD
16h 10m
1 stop
Depart: Fri Oct 20 2017 Return: Fri Oct 27 2017 Trip spans 8 days
KLM
KLM
BCN
SFO
17h 39m
1 stop
SFO
BCN
16h 15m
1 stop
Depart: Sun Mar 18 2018 Return: Sun Apr 1 2018 Trip spans 15 days
SWISS
SWISS
BCN
SFO
18h 50m
1 stop
SFO
BCN
14h 20m
1 stop
Depart: Wed Nov 29 2017 Return: Sat Dec 9 2017 Trip spans 11 days
Brussels Airlines
Brussels Airlines
MAD
SFO
23h 08m
2 stops
SFO
MAD
24h 55m
2 stops
Depart: Thu Jan 11 2018 Return: Sun Jan 21 2018 Trip spans 11 days
Lufthansa
Lufthansa
MAD
SFO
21h 10m
1 stop
SFO
MAD
16h 10m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Barcelona
$521
Madrid
$574
Malaga
$545
Destination

San Francisco
$521