Cheapest return flights from Atlanta to London in December from $702

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

11 Dec - 14 Dec jetBlue
07 Dec - 12 Dec jetBlue
09 Dec - 16 Dec United
09 Dec - 16 Dec British Airways direct
05 Dec - 08 Dec Scandinavian Airlines
24 Dec - 10 Jan jetBlue
15 Dec - 15 Jan Air Canada
11 Dec - 14 Dec Finnair direct
05 Dec - 08 Dec Air France direct
15 Dec - 15 Jan British Airways direct
12 Dec - 21 Dec British Airways direct
24 Dec - 10 Jan British Airways direct
07 Dec - 12 Dec Finnair direct
29 Dec - 05 Jan United
29 Dec - 05 Jan British Airways direct
18 Dec - 02 Jan Air Canada
19 Dec - 26 Dec British Airways direct
18 Dec - 02 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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