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

Return flights

31 Dec - 19 Jan	Norse Atlantic Airways (UK)
29 Dec - 20 Jan	easyJet
31 Dec - 21 Jan	Norse Atlantic Airways (UK)
31 Dec - 20 Jan	Norse Atlantic Airways (UK)
29 Dec - 24 Jan	Wizz Air UK
30 Dec - 18 Jan	easyJet
30 Dec - 19 Jan	easyJet
30 Dec - 20 Jan	easyJet
29 Dec - 28 Jan	Wizz Air UK
31 Dec - 17 Jan	Norse Atlantic Airways (UK)
29 Dec - 31 Dec	Norse Atlantic Airways (UK)
30 Dec - 30 Dec	Turkish Airlines

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

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 December from 797€

Return flights