AirHint found the following cheapest return flights from Detroit (DTW) to London (LGW) in January 2026 (see full year).

Return flights

19 Jan - 26 Jan	Spirit Airlines
19 Jan - 29 Jan	Spirit Airlines
12 Jan - 26 Jan	Spirit Airlines
19 Jan - 27 Jan	Spirit Airlines
21 Jan - 25 Jan	Spirit Airlines
12 Jan - 15 Jan	Spirit Airlines
20 Jan - 02 Feb	Spirit Airlines
18 Jan - 24 Jan	Spirit Airlines
12 Jan - 25 Jan	Spirit Airlines
22 Jan - 27 Jan	Spirit Airlines
24 Jan - 30 Jan	Spirit Airlines
25 Jan - 01 Feb	Frontier Airlines
08 Jan - 19 Feb	Spirit Airlines

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

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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Cheapest return flights from Detroit to London in January from 390€

Return flights