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

Return flights

19 Aug - 24 Aug	SWISS
19 Aug - 28 Aug	SWISS
26 Aug - 31 Aug	SWISS
19 Aug - 23 Aug	SWISS
26 Aug - 30 Aug	SWISS
25 Aug - 29 Aug	jetBlue
26 Aug - 28 Aug	Spirit Airlines
20 Aug - 14 Sep	Spirit Airlines
27 Aug - 29 Aug	Spirit Airlines
23 Aug - 07 Sep	Turkish Airlines
07 Aug - 14 Aug	Turkish Airlines
08 Aug - 15 Aug	Spirit Airlines

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

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 Atlanta to London in August from 549€

Return flights