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

Return flights

07 Oct - 17 Oct	Lufthansa
01 Oct - 08 Oct	Lufthansa
07 Oct - 17 Oct	Virgin Atlantic	direct
01 Oct - 08 Oct	Virgin Atlantic	direct
07 Oct - 22 Oct	Delta
08 Oct - 22 Oct	Delta
15 Oct - 22 Oct	Delta
07 Oct - 14 Oct	Delta
21 Oct - 28 Oct	British Airways	direct
01 Oct - 15 Oct	Delta
29 Oct - 05 Nov	British Airways	direct
27 Oct - 10 Nov	Air Canada
30 Oct - 13 Nov	Delta
27 Oct - 10 Nov	British Airways	direct
30 Oct - 13 Nov	British Airways	direct

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 402€

Return flights