Arik Air responds to passenger demand with additional services from its hub in the Nigerian city of Lagos.
The west and central African airline has increased its weekly Lagos-Monrovia service from three to four.
Flown by a B737, services to the Liberian capital will operate via Accra, Ghana.
Similarly, services to the Angolan capital Luanda have been increased from two to three weekly flights.
The airline’s managing director, Chris Ndulue, commented: “Arik Air is committed to providing all of its guests with a range of services, all at suitable times.
“We have identified and delivered on the demands and are continuously reviewing our route network to offer increased and seamless connections.”
Arik Air currently operates a 26-strong mixed fleet of A340s and B737s, serving destinations across Nigeria as well as cities in Ghana, Gambia, Senegal, Sierra Leone, Cameroon, Benin, the UK, South Africa and the US.