When you are trying to find a flight deal from London Heathrow Airport to Atlanta, hunt for departures on Mondays and avoid leaving on a Friday, as it's always the priciest working day. When traveling back from Atlanta, Tuesday would be the cheapest working day to fly and Saturday is https://share.evernote.com/note/dfd4bb4a-9062-d6e7-6bdb-d918223fae82