Cheapest return flights from Atlanta to London in December from $426

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

08 Dec - 13 Dec Scandinavian Airlines
08 Dec - 29 Dec Scandinavian Airlines
09 Dec - 17 Dec jetBlue
09 Dec - 17 Dec British Airways direct
07 Dec - 14 Dec United
07 Dec - 14 Dec British Airways direct
30 Dec - 04 Jan Lufthansa
20 Dec - 26 Dec Scandinavian Airlines
08 Dec - 29 Dec Air France direct
17 Dec - 24 Dec United
17 Dec - 24 Dec British Airways direct
20 Dec - 01 Jan Air Canada
28 Dec - 03 Jan Lufthansa
29 Dec - 02 Jan Lufthansa
28 Dec - 02 Jan Air Canada
30 Dec - 02 Jan Air Canada
30 Dec - 04 Jan British Airways direct
30 Dec - 03 Jan Air Canada
27 Dec - 03 Jan British Airways
20 Dec - 01 Jan Air France direct

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

Skyscanner

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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