Cheapest return flights from Atlanta to London in December from $439

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

Return flights

05 Dec - 08 Dec Scandinavian Airlines
03 Dec - 10 Dec Delta
08 Dec - 16 Dec SWISS
09 Dec - 16 Dec Air Canada
09 Dec - 16 Dec British Airways direct
03 Dec - 10 Dec British Airways direct
03 Dec - 16 Dec Air France direct
08 Dec - 16 Dec Iberia direct
04 Dec - 11 Dec Scandinavian Airlines
05 Dec - 12 Dec Scandinavian Airlines
05 Dec - 30 Jan Scandinavian Airlines
09 Dec - 07 Jan Air Canada
15 Dec - 09 Jan Air Canada
09 Dec - 07 Jan Finnair direct
27 Dec - 09 Jan Air Canada
29 Dec - 07 Jan United
27 Dec - 08 Jan Air Canada
27 Dec - 06 Jan Air Canada
15 Dec - 09 Jan Air France direct
26 Dec - 06 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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