AirHint found the following cheapest return flights from Sao Tome (TMS) to Lisbon (LIS) in August 2025 (see full year).

Return flights

27 Aug - 23 Sep	TAAG Angola Airlines
27 Aug - 16 Sep	TAAG Angola Airlines
20 Aug - 02 Sep	TAAG Angola Airlines
22 Aug - 14 Sep	TAAG Angola Airlines
22 Aug - 29 Aug	TAAG Angola Airlines
20 Aug - 30 Sep	TAAG Angola Airlines
17 Aug - 30 Aug	TAP
29 Aug - 30 Aug	TAAG Angola Airlines
31 Aug - 05 Sep	ASKY Airlines
16 Aug - 23 Aug	TAP	direct
16 Aug - 20 Sep	TAP	direct
27 Aug - 20 Sep	TAAG Angola Airlines
16 Aug - 29 Aug	TAP
16 Aug - 27 Aug	TAP
16 Aug - 24 Sep	TAP
16 Aug - 13 Sep	TAP	direct
16 Aug - 30 Aug	TAP	direct
18 Aug - 25 Aug	TAAG Angola Airlines

Also check the deals for one-way flights from Sao Tome to Lisbon 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 Sao Tome to Lisbon in August from 1049€

Return flights