AirHint found the following cheapest return flights from Lisbon (LIS) to Sao Tome (TMS) in September 2026 (see full year).
Return flights
| 19 Sep - 30 Sep | TAP | ||
| 26 Sep - 11 Oct | TAP | ||
| 26 Sep - 10 Oct | Euroatlantic Airways | direct | |
| 01 Sep - 13 Sep | TAP | ||
| 19 Sep - 30 Sep | TAP | direct | |
| 19 Sep - 26 Sep | TAP | direct |
Also check the deals for one-way flights from Lisbon to Sao Tome in September.
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