To compute every month normal price ranges, KAYAK requires all rates for each and every month during the last calendar year for round-excursion flights from London to Atlanta, removes the best 0.1% to account for outliers, after which will take the median of all values for every month. 8Internet entry https://firstclasscairnslondon.blogspot.com/2024/12/pick-exclusive-vacation-package-in.html