AirHint found the following cheapest return flights from San Salvador (SAL) to Barcelona (BCN) in December 2026 (see full year).
Return flights
| 08 Dec - 14 Jan | United | ||
| 18 Dec - 04 Jan | Volaris El Salvador | ||
| 21 Dec - 28 Dec | Iberojet | ||
| 19 Dec - 26 Dec | Avianca |
Also check the deals for one-way flights from San Salvador to Barcelona in December.
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