Cheapest return flights from Atlanta to London in September from $542

Best time to book flights for Atlanta (ATL) to London (LHR) flights at AirHint

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

Return flights

08 Sep - 17 Sep Scandinavian Airlines
10 Sep - 17 Sep Scandinavian Airlines
30 Sep - 07 Oct Scandinavian Airlines
29 Sep - 06 Oct Scandinavian Airlines
22 Sep - 29 Sep Scandinavian Airlines
15 Sep - 22 Sep Scandinavian Airlines
16 Sep - 24 Sep Scandinavian Airlines
03 Sep - 11 Sep Scandinavian Airlines
27 Sep - 13 Oct Scandinavian Airlines
16 Sep - 23 Sep Scandinavian Airlines
23 Sep - 30 Sep Scandinavian Airlines
08 Sep - 14 Sep Scandinavian Airlines
04 Sep - 11 Sep Scandinavian Airlines
25 Sep - 02 Oct Scandinavian Airlines
24 Sep - 01 Oct Scandinavian Airlines
26 Sep - 04 Oct Scandinavian Airlines
26 Sep - 03 Oct Scandinavian Airlines
27 Sep - 04 Oct Scandinavian Airlines
30 Sep - 07 Oct Air France direct
28 Sep - 05 Oct United

Also check the deals for one-way flights from Atlanta to London 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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