Cheapest return flights from Atlanta to London in December from $519

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

Return flights

01 Dec - 08 Dec Spirit Airlines
01 Dec - 06 Dec Spirit Airlines
04 Dec - 06 Dec Frontier Airlines
10 Dec - 14 Dec Frontier Airlines
15 Dec - 10 Jan Spirit Airlines
10 Dec - 17 Dec Frontier Airlines
04 Dec - 16 Dec Spirit Airlines
15 Dec - 24 Jan Spirit Airlines
10 Dec - 06 Jan jetBlue
04 Dec - 14 Dec Spirit Airlines
24 Dec - 10 Jan jetBlue
29 Dec - 10 Jan Spirit Airlines
17 Dec - 14 Jan Frontier Airlines
30 Dec - 11 Jan WestJet
07 Dec - 27 Dec Turkish Airlines
31 Dec - 06 Jan Spirit Airlines
05 Dec - 30 Jan Turkish Airlines
12 Dec - 30 Dec Spirit Airlines
06 Dec - 27 Dec Spirit Airlines
26 Dec - 06 Jan Spirit Airlines

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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