To compute month-to-month normal prices, KAYAK can take all prices for each and every month throughout the last year for flights from London Heathrow Airport to Austin, removes the highest 0.1% to account for outliers, then takes the median of all values for each month. The most up-to-date promotions for https://explorebookmarks.com/story18445483/cheap-flights-to-atlanta-from-london-for-dummies