Cheapest return flights from San Francisco to Barcelona in September from 347€
AirHint found the following cheapest return flights from San Francisco (SFO) to Barcelona (BCN)
in September 2025 (see full year ).
Return flights
23 Sep
- 30 Sep
Iberia For Level
347 €
direct
23 Sep
- 23 Oct
Iberia For Level
388 €
direct
30 Sep
- 07 Oct
Iberia For Level
388 €
direct
21 Sep
- 18 Oct
Iberia
390 €
30 Sep
- 08 Oct
United
400 €
29 Sep
- 10 Oct
United
400 €
16 Sep
- 30 Sep
Iberia For Level
412 €
direct
16 Sep
- 02 Oct
Iberia For Level
412 €
direct
20 Sep
- 02 Oct
Delta
412 €
17 Sep
- 25 Sep
ITA Airways
422 €
21 Sep
- 18 Oct
Iberia For Level
423 €
direct
20 Sep
- 02 Oct
Iberia For Level
424 €
direct
11 Sep
- 18 Sep
TAP
436 €
23 Sep
- 26 Sep
Iberia
437 €
25 Sep
- 07 Oct
TAP
450 €
13 Sep
- 20 Sep
Iberia For Level
454 €
direct
04 Sep
- 23 Sep
Iberia For Level
455 €
direct
06 Sep
- 23 Sep
Iberia For Level
455 €
direct
16 Sep
- 23 Sep
Iberia For Level
455 €
direct
20 Sep
- 27 Sep
Iberia For Level
464 €
direct
Also check the deals for one-way flights from San Francisco to Barcelona in September .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.
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