If you are searching for a flight offer from London Heathrow Airport to Atlanta, search for departures on Mondays and avoid leaving on the Friday, as it's usually the priciest day. When traveling again from Atlanta, Tuesday could be the cheapest day to fly and Saturday is the most expensive. https://premiumeconomyflightslondon.blogspot.com/2025/02/5-tips-to-book-best-business-class.html