Cheap Boston Flights and Deals From Atlanta (ATL) To Boston (BOS) Depart May 08 Return May 11$98.56Ref:6ul5inR1iEGBoseWQVCBVQ * All fares above were last found on: Mar 23, 2019 and 2:11:48 AM. Fares are round trip. Fares incl. all fuel surcharges, our service fees and taxes. Displayed fares are based on historical data, are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions.