Cheapest return flights from Atlanta to London in December from 433€

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

Return flights

04 Dec - 26 Jan Frontier Airlines
11 Dec - 10 Jan Spirit Airlines
11 Dec - 09 Jan Frontier Airlines
13 Dec - 10 Jan Spirit Airlines
15 Dec - 09 Jan Frontier Airlines
08 Dec - 14 Dec Spirit Airlines
09 Dec - 14 Dec Spirit Airlines
09 Dec - 13 Dec Frontier Airlines
07 Dec - 11 Dec Spirit Airlines
04 Dec - 09 Dec Spirit Airlines
03 Dec - 11 Dec Frontier Airlines
06 Dec - 10 Dec Spirit Airlines
07 Dec - 10 Jan Spirit Airlines
24 Dec - 11 Jan Spirit Airlines
31 Dec - 16 Jan Spirit Airlines
08 Dec - 11 Dec Frontier Airlines
05 Dec - 10 Dec Frontier Airlines
07 Dec - 10 Dec Spirit Airlines
29 Dec - 13 Jan Turkish Airlines
14 Dec - 07 Jan Spirit Airlines

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

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.