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

Return flights

30 Sep - 04 Oct	Air France
22 Sep - 09 Oct	Air France
07 Sep - 14 Sep	Air France
02 Sep - 11 Sep	Air France
24 Sep - 01 Oct	Air France
22 Sep - 13 Oct	SWISS
01 Sep - 13 Sep	Air France
07 Sep - 13 Sep	Air France
14 Sep - 27 Sep	Air France
18 Sep - 25 Sep	Air France
24 Sep - 10 Oct	Air France
24 Sep - 09 Oct	Air France
03 Sep - 12 Sep	Air France
03 Sep - 06 Sep	Air France
10 Sep - 17 Sep	Air France
19 Sep - 04 Oct	Norse Atlantic Airways (UK)

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

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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Cheapest return flights from London to Atlanta in September from 497€

Return flights