Cheapest return flights from Atlanta to London in December from 403€

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

Return flights

03 Dec - 09 Dec Spirit Airlines
03 Dec - 10 Dec Frontier Airlines
04 Dec - 08 Dec Spirit Airlines
04 Dec - 12 Dec Spirit Airlines
03 Dec - 12 Dec Spirit Airlines
05 Dec - 09 Dec Frontier Airlines
10 Dec - 14 Dec Spirit Airlines
03 Dec - 07 Dec Spirit Airlines
01 Dec - 10 Dec Lufthansa
08 Dec - 13 Dec Frontier Airlines
31 Dec - 14 Jan Delta
31 Dec - 14 Jan British Airways direct
30 Dec - 07 Jan Frontier Airlines
31 Dec - 24 Jan Air Canada
31 Dec - 07 Jan Spirit Airlines
12 Dec - 07 Jan Frontier Airlines
28 Dec - 09 Jan Virgin Atlantic
22 Dec - 09 Jan Virgin Atlantic
31 Dec - 24 Jan Air France direct
05 Dec - 09 Jan Air France direct

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

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