Currently there are no direct flights Marrakech to Guinea Bissau

Flights Marrakech to Guinea Bissau with 1 stopover:

Flights via Casablanca Mohamed V. (CMN), Morocco
From Marrakech (RAK), Morocco with Royal Air Maroc Transfer at  Casablanca Mohamed V. (CMN), Morocco Then on to Bissau (OXB), Guinea Bissau with Royal Air Maroc