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

Return flights

05 Apr - 13 Apr	TAAG Angola Airlines
18 Apr - 09 May	STP Airways	direct
16 Apr - 29 Apr	TAAG Angola Airlines
07 Apr - 22 Apr	TAAG Angola Airlines
04 Apr - 09 May	TAP	direct
25 Apr - 03 May	TAP
10 Apr - 26 Apr	TAP
12 Apr - 18 Apr	TAP
18 Apr - 25 Apr	TAP	direct
11 Apr - 18 Apr	TAP	direct
08 Apr - 17 Apr	TAP
10 Apr - 17 Apr	TAP
10 Apr - 18 Apr	TAP
17 Apr - 08 May	TAP
24 Apr - 09 May	TAP
25 Apr - 09 May	TAP	direct
17 Apr - 03 May	TAP
22 Apr - 01 May	TAP
24 Apr - 01 May	TAP
24 Apr - 02 May	TAP

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

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 April from 263€

Return flights