Cheapest return flights from Detroit to London in December from $637

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

Return flights

30 Dec - 09 Jan Spirit Airlines
11 Dec - 12 Jan Spirit Airlines
11 Dec - 28 Jan Spirit Airlines
09 Dec - 12 Dec jetBlue
13 Dec - 09 Jan Spirit Airlines
31 Dec - 15 Jan Spirit Airlines
25 Dec - 08 Jan Icelandair
26 Dec - 09 Jan Spirit Airlines
10 Dec - 13 Dec Spirit Airlines
30 Dec - 15 Jan Spirit Airlines
13 Dec - 10 Jan Spirit Airlines
11 Dec - 17 Dec jetBlue
12 Dec - 19 Dec Spirit Airlines
26 Dec - 16 Jan Air Canada
11 Dec - 25 Dec Spirit Airlines
12 Dec - 20 Dec Spirit Airlines
23 Dec - 28 Dec Spirit Airlines
21 Dec - 27 Dec Spirit Airlines
23 Dec - 29 Dec Spirit Airlines
16 Dec - 31 Dec Spirit Airlines

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

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