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

Return flights

07 Aug - 21 Aug	TAP
16 Aug - 23 Aug	TAP
02 Aug - 16 Aug	TAP
01 Aug - 16 Aug	TAP
15 Aug - 26 Aug	TAP	direct
08 Aug - 15 Aug	TAP	direct
15 Aug - 22 Aug	TAP	direct
01 Aug - 22 Aug	TAP	direct
15 Aug - 29 Aug	TAP	direct
01 Aug - 29 Aug	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 716€

Return flights