AirHint found the following cheapest return flights from Santiago (SCL) to Lisbon (LIS) in December 2025 (see full year).
Return flights
| 23 Dec - 27 Dec | KLM | ||
| 29 Dec - 04 Jan | LATAM Airlines Group | ||
| 20 Dec - 21 Dec | Iberia | ||
| 25 Dec - 03 Jan | Iberia |
Also check the deals for one-way flights from Santiago to Lisbon in December.
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