AirHint found the following cheapest return flights from Lisbon (LIS) to Bissau (OXB) in September 2025 (see full year).

Return flights

27 Sep - 04 Oct	TAP	direct
25 Sep - 04 Oct	TAP	direct
19 Sep - 02 Oct	Royal Air Maroc
15 Sep - 16 Oct	Royal Air Maroc
28 Sep - 05 Oct	Royal Air Maroc
18 Sep - 25 Sep	Royal Air Maroc
23 Sep - 02 Oct	TAP	direct
17 Sep - 28 Sep	Royal Air Maroc
18 Sep - 25 Sep	TAP	direct
11 Sep - 18 Sep	Royal Air Maroc
12 Sep - 20 Sep	Royal Air Maroc
16 Sep - 27 Sep	Cabo Verde Airlines
16 Sep - 16 Oct	Ryanair
16 Sep - 16 Oct	TAP	direct
16 Sep - 27 Sep	TAP	direct
16 Sep - 30 Sep	TAP	direct
16 Sep - 20 Sep	Ryanair
16 Sep - 29 Sep	easyJet
18 Sep - 03 Oct	Royal Air Maroc
12 Sep - 10 Oct	Royal Air Maroc

Also check the deals for one-way flights from Lisbon to Bissau 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 Bissau in September from $707

Return flights