Cheapest return flights from Atlanta to Lisbon in September from $572

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

21 Sep - 27 Sep Spirit Airlines
08 Sep - 15 Sep Frontier Airlines
20 Sep - 26 Sep Spirit Airlines
13 Sep - 19 Sep Spirit Airlines
08 Sep - 16 Sep Spirit Airlines
19 Sep - 25 Sep Spirit Airlines
09 Sep - 16 Sep Spirit Airlines
23 Sep - 30 Sep British Airways
24 Sep - 04 Oct Spirit Airlines
04 Sep - 11 Sep Frontier Airlines
02 Sep - 10 Sep Frontier Airlines
18 Sep - 02 Oct Spirit Airlines
24 Sep - 01 Oct Spirit Airlines
23 Sep - 01 Oct Spirit Airlines
25 Sep - 09 Oct Turkish Airlines
16 Sep - 07 Oct Turkish Airlines
23 Sep - 14 Oct Turkish Airlines
23 Sep - 04 Oct Spirit Airlines
27 Sep - 05 Oct Spirit Airlines
21 Sep - 05 Oct Spirit Airlines

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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