Cheapest return flights from Porto to Sao Tome in September from 653€

AirHint found the following cheapest return flights from Porto (OPO) to Sao Tome (TMS) in September 2025 (see full year).

Return flights

11 Sep - 21 Sep TAP
15 Sep - 22 Sep TAP
22 Sep - 29 Sep TAP
08 Sep - 15 Sep TAP
06 Sep - 14 Sep TAP
15 Sep - 21 Sep TAP
06 Sep - 13 Sep TAP
22 Sep - 28 Sep TAP
08 Sep - 14 Sep Ethiopian Airlines
01 Sep - 08 Sep TAP

Also check the deals for one-way flights from Porto to Sao Tome in September.

Skyscanner

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.

Book a cheap hotel in Sao Tome

Cheap car rent in Sao Tome

Feel free to contact us with any feedback or request another flight research.