To determine month to month regular rates, KAYAK takes all charges for every month during the last 12 months for flights from London Heathrow Airport to Austin, gets rid of the top 0.one% to account for outliers, then takes the median of all values for on a monthly basis. The https://brightbookmarks.com/story18710768/not-known-factual-statements-about-flights-to-austin-from-uk