Cheapest return flights from San Diego to Barcelona in September from 969€
AirHint found the following cheapest return flights from San Diego (SAN) to Barcelona (BCN) in September 2025 (see full year).
Return flights
| 08 Sep - 14 Sep | Alaska Airlines | ||
| 17 Sep - 24 Sep | Alaska Airlines | ||
| 17 Sep - 30 Sep | Condor | ||
| 30 Sep - 20 Oct | Condor | ||
| 28 Sep - 05 Oct | United | ||
| 18 Sep - 25 Sep | United | ||
| 08 Sep - 15 Sep | United |
Also check the deals for one-way flights from San Diego 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.
