AirHint found the following cheapest return flights from Lisbon (LIS) to Santiago (SCL) in September 2026 (see full year).
Return flights
| 04 Sep - 18 Sep | Iberia | ||
| 25 Sep - 28 Sep | Turkish Airlines | ||
| 07 Sep - 14 Sep | Royal Air Maroc |
Also check the deals for one-way flights from Lisbon to Santiago in September.
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