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

Return flights

06 Dec - 20 Dec	TAP	direct
11 Dec - 18 Dec	TAP	direct
11 Dec - 23 Dec	TAP	direct
01 Dec - 30 Dec	Royal Air Maroc
27 Dec - 17 Jan	Royal Air Maroc
27 Dec - 01 Jan	Royal Air Maroc
27 Dec - 12 Jan	Royal Air Maroc
02 Dec - 09 Dec	TAP	direct
13 Dec - 01 Jan	Royal Air Maroc
27 Dec - 01 Jan	TAP	direct
06 Dec - 08 Jan	Royal Air Maroc
28 Dec - 13 Jan	Royal Air Maroc
24 Dec - 10 Jan	Royal Air Maroc
30 Dec - 15 Jan	TAP	direct
13 Dec - 06 Jan	Royal Air Maroc
19 Dec - 26 Dec	TAP

Also check the deals for one-way flights from Lisbon to Bissau in December.

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 December from $608

Return flights