Cheapest return flights from Atlanta to London in December from $543

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

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
04 Dec - 11 Dec Scandinavian Airlines
01 Dec - 14 Dec Scandinavian Airlines
07 Dec - 14 Dec Scandinavian Airlines
28 Dec - 11 Jan jetBlue
03 Dec - 10 Dec Air Canada
09 Dec - 16 Dec Air Canada
02 Dec - 09 Dec Delta
10 Dec - 17 Dec United
05 Dec - 12 Dec Scandinavian Airlines
02 Dec - 09 Dec Air France direct
31 Dec - 07 Jan Lufthansa
30 Dec - 06 Jan Lufthansa
29 Dec - 05 Jan Air Canada
22 Dec - 01 Jan Air Canada
31 Dec - 07 Jan British Airways direct
14 Dec - 05 Jan Air Canada
27 Dec - 03 Jan Air Canada
28 Dec - 03 Jan Air Canada
25 Dec - 01 Jan Air Canada

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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