Cheapest return flights from Atlanta to London in December from $432

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

Return flights

01 Dec - 08 Dec Scandinavian Airlines
01 Dec - 15 Dec Scandinavian Airlines
02 Dec - 09 Dec United
02 Dec - 09 Dec British Airways direct
01 Dec - 01 Jan Scandinavian Airlines
01 Dec - 15 Dec Air France direct
01 Dec - 02 Jan Scandinavian Airlines
12 Dec - 19 Dec British Airways direct
30 Dec - 11 Jan United
22 Dec - 10 Jan Scandinavian Airlines
30 Dec - 11 Jan British Airways direct
26 Dec - 31 Dec Scandinavian Airlines
15 Dec - 19 Dec jetBlue
01 Dec - 01 Jan Air France direct
01 Dec - 02 Jan Air France direct
18 Dec - 01 Jan Lufthansa
21 Dec - 04 Jan Air Canada
22 Dec - 10 Jan Air France direct
15 Dec - 19 Dec Finnair direct
22 Dec - 29 Dec United

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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