AirHint found the following cheapest return flights from Guadalajara (GDL) to Barcelona (BCN) in September 2026 (see full year).
Return flights
| 24 Sep - 09 Oct | Iberia | ||
| 11 Sep - 19 Sep | Volaris | ||
| 14 Sep - 01 Oct | Volaris | ||
| 14 Sep - 28 Sep | Volaris | ||
| 10 Sep - 01 Oct | Iberia |
Also check the deals for one-way flights from Guadalajara to Barcelona in September.
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