Cheapest return flights from Atlanta to London in December from $813

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

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

Return flights

24 Dec - 30 Dec Lufthansa
16 Dec - 30 Dec Icelandair
26 Dec - 02 Jan Icelandair
26 Dec - 03 Jan Lufthansa
24 Dec - 31 Dec Air Canada
22 Dec - 28 Dec Lufthansa
12 Dec - 23 Dec Icelandair
29 Dec - 03 Jan Icelandair
20 Dec - 31 Dec Lufthansa
29 Dec - 04 Jan Icelandair
15 Dec - 26 Dec Turkish Airlines

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

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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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