To Calculate monthly common charges, KAYAK can take all charges for monthly during the last year for round-trip flights from London to Atlanta, removes the best 0.one% to account for outliers, and afterwards will take the median of all values for on a monthly basis. Total a really enjoyable flight. https://www.reddit.com/r/BusinessClassFlight/comments/1gat1os/what_are_the_top_tropical_destinations_to_heat_up/