Cheapest return flights from Atlanta to Lisbon in September from 665€

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 - 17 Sep Turkish Airlines
07 Sep - 15 Sep Turkish Airlines
08 Sep - 16 Sep Turkish Airlines
14 Sep - 22 Sep Turkish Airlines
16 Sep - 24 Sep Turkish Airlines
17 Sep - 25 Sep Turkish Airlines
21 Sep - 29 Sep Turkish Airlines
22 Sep - 30 Sep Turkish Airlines
30 Sep - 08 Oct Turkish Airlines
23 Sep - 01 Oct Turkish Airlines
24 Sep - 02 Oct Turkish Airlines
28 Sep - 06 Oct Turkish Airlines
10 Sep - 18 Sep Turkish Airlines
11 Sep - 19 Sep Turkish Airlines
25 Sep - 03 Oct Turkish Airlines
26 Sep - 04 Oct Turkish Airlines
27 Sep - 05 Oct Turkish Airlines

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

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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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