AirHint found the following cheapest return flights from Lisbon (LIS) to Sao Tome (TMS) in August 2026 (see full year).

Return flights

30 Aug - 30 Sep	TAP
11 Aug - 02 Sep	TAP
18 Aug - 02 Sep	TAP
11 Aug - 19 Aug	TAAG Angola Airlines
18 Aug - 26 Aug	TAP	direct
11 Aug - 26 Aug	TAP
12 Aug - 26 Aug	TAP
13 Aug - 26 Aug	TAAG Angola Airlines
18 Aug - 02 Sep	TAP	direct
07 Aug - 16 Aug	TAP
13 Aug - 23 Aug	TAAG Angola Airlines
14 Aug - 28 Aug	TAP
09 Aug - 23 Aug	TAP
02 Aug - 14 Aug	TAP
15 Aug - 05 Sep	TAP	direct

Also check the deals for one-way flights from Lisbon to Sao Tome in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Lisbon to Sao Tome in August from $681

Return flights