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

Return flights

14 Oct - 21 Oct	Scandinavian Airlines
22 Oct - 29 Oct	Scandinavian Airlines
16 Oct - 19 Oct	Spirit Airlines
07 Oct - 14 Oct	Scandinavian Airlines
03 Oct - 13 Oct	Spirit Airlines
04 Oct - 30 Oct	Spirit Airlines
18 Oct - 02 Nov	Spirit Airlines
07 Oct - 17 Oct	Spirit Airlines
10 Oct - 14 Oct	Scandinavian Airlines
07 Oct - 16 Oct	Frontier Airlines

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

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 October from $674

Return flights