To work out day-to-day common costs, KAYAK takes all selling prices for daily ahead of departure throughout the last 12 months for flights from London Heathrow Airport to Austin, eliminates the top 0.one% to account for outliers, then requires the standard of every one of the values for each month. https://flightstoatlantausa.blogspot.com/2024/09/start-planning-your-vacation-by-booking.html