AirHint found the following cheapest return flights from Lisbon (LIS) to Montevideo (MVD) in December 2025 (see full year).
Return flights
| 12 Dec - 29 Dec | Ryanair | ||
| 07 Dec - 07 Jan | LATAM Airlines Group | ||
| 22 Dec - 11 Jan | Ryanair | ||
| 26 Dec - 03 Jan | LATAM Airlines Group | ||
| 26 Dec - 02 Jan | Aer Lingus |
Also check the deals for one-way flights from Lisbon to Montevideo in December.
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