AirHint found the following cheapest return flights from Lisbon (LIS) to Santiago (SCL) in December 2026 (see full year).
Return flights
| 05 Dec - 19 Dec | Iberia | ||
| 01 Dec - 29 Dec | Iberia | ||
| 25 Dec - 03 Jan | TAP | ||
| 18 Dec - 03 Jan | TAP |
Also check the deals for one-way flights from Lisbon to Santiago in December.
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