In general, when looking for the cheapest flight to Beirut, try to choose a flight departing in November for the best deal.
In general, most flyers find the cheapest time to book a flight to Beirut is about 30 days prior.
From most locations, the cheapest day to fly to Beirut is Tuesday. Most users found that departing on a Friday was most expensive.
Typically, cheap prices to Beirut are most often found for morning flights. Cheap prices are less likely for noon flights.