Cheapest return flights from Atlanta to Lisbon in September from $670

Best time to book flights for Atlanta (ATL) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Atlanta (ATL) to Lisbon (LIS) in September 2025 (see full year).

Return flights

09 Sep - 16 Sep Turkish Airlines
08 Sep - 23 Sep Turkish Airlines
08 Sep - 19 Sep Turkish Airlines
30 Sep - 07 Oct Turkish Airlines
30 Sep - 08 Oct Turkish Airlines
29 Sep - 06 Oct Turkish Airlines
07 Sep - 15 Sep Scandinavian Airlines
14 Sep - 21 Sep Turkish Airlines
19 Sep - 03 Oct Air Canada
06 Sep - 14 Sep Air Canada

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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