AirHint found the following cheapest return flights from Guadalajara (GDL) to Lisbon (LIS) in May 2026 (see full year).
Return flights
| 29 May - 16 Jun | Aeromexico | ||
| 12 May - 22 May | Aeromexico | ||
| 04 May - 11 May | Volaris | ||
| 29 May - 02 Jun | Aeromexico | ||
| 15 May - 21 May | Aeromexico | ||
| 06 May - 13 May | Volaris | ||
| 03 May - 14 May | Viva | ||
| 03 May - 10 May | Viva |
Also check the deals for one-way flights from Guadalajara to Lisbon in May.
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