Cheapest return flights from Atlanta to Lisbon in September from $610

AirHint found the following cheapest return flights from Atlanta (ATL) to Lisbon (LIS) in September 2026 (see full year).

Return flights

23 Sep - 01 Oct British Airways
23 Sep - 07 Oct British Airways
03 Sep - 09 Sep Scandinavian Airlines
18 Sep - 23 Sep British Airways
03 Sep - 12 Sep Scandinavian Airlines
01 Sep - 08 Sep Turkish Airlines
01 Sep - 07 Sep Turkish Airlines
02 Sep - 09 Sep British Airways

Also check the deals for one-way flights from Atlanta to Lisbon in September.

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