The best prices found on momondo for flights to Lebanon are:
£16 per person with Ryanair
£54 per person with Royal Jordanian
£57 per person with Aegean Airlines
Lebanon has suspended all flights into the country until at least 26 April 2020. Diplomats, international organisations personnel, UNIFIL forces, military personnel, and personnel working for companies associated with drilling operations in Block No. 4 may still enter the country. If you are planning to travel to Lebanon at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.