AirHint found the following cheapest return flights from Guadalajara (GDL) to Brussels (BRU) in September 2026 (see full year).
Return flights
| 01 Sep - 30 Sep | Aeromexico | ||
| 14 Sep - 30 Sep | Delta | ||
| 16 Sep - 07 Oct | Aeromexico |
Also check the deals for one-way flights from Guadalajara to Brussels in September.
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