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

Return flights

08 Aug - 18 Sep	TAAG Angola Airlines
04 Aug - 04 Sep	TAAG Angola Airlines
13 Aug - 14 Sep	TAAG Angola Airlines
13 Aug - 16 Sep	TAP	direct
13 Aug - 17 Sep	TAP
13 Aug - 12 Sep	TAP
06 Aug - 16 Sep	TAP	direct
08 Aug - 10 Sep	TAP
01 Aug - 31 Aug	TAP
06 Aug - 19 Aug	TAP	direct
02 Aug - 30 Aug	TAP	direct
13 Aug - 20 Aug	TAP
01 Aug - 16 Aug	TAP
09 Aug - 16 Aug	TAP	direct
06 Aug - 05 Sep	TAP
02 Aug - 06 Sep	TAP	direct
04 Aug - 21 Aug	TAAG Angola Airlines
06 Aug - 12 Aug	TAP	direct
08 Aug - 15 Aug	TAP
10 Aug - 17 Aug	TAP

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 $758

Return flights