AirHint found the following cheapest return flights from Lisbon (LIS) to Praia, Santiago Island (RAI) in September 2025 (see full year).

Return flights

10 Sep - 15 Oct	Cabo Verde Airlines	direct
17 Sep - 06 Oct	Cabo Verde Airlines	direct
17 Sep - 08 Oct	Cabo Verde Airlines	direct
19 Sep - 09 Oct	Cabo Verde Airlines	direct
19 Sep - 06 Oct	Cabo Verde Airlines	direct
19 Sep - 08 Oct	Cabo Verde Airlines	direct
27 Sep - 05 Oct	TAP	direct
25 Sep - 06 Oct	TAP	direct
20 Sep - 23 Sep	TAP	direct
16 Sep - 20 Oct	TAP	direct
16 Sep - 07 Oct	TAP	direct
15 Sep - 30 Sep	TAP	direct
15 Sep - 26 Sep	TAP	direct
16 Sep - 23 Sep	TAP	direct
15 Sep - 19 Sep	TAP	direct
12 Sep - 18 Sep	TAP	direct
14 Sep - 18 Sep	TAP	direct
24 Sep - 30 Sep	TAP	direct
23 Sep - 30 Sep	TAP	direct
14 Sep - 19 Sep	TAP	direct

Also check the deals for one-way flights from Lisbon to Praia, Santiago Island in September.

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 Praia, Santiago Island in September from 283€

Return flights