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

Return flights

12 Jan - 25 Jan	Scandinavian Airlines
21 Jan - 26 Jan	Scandinavian Airlines
20 Jan - 27 Jan	Spirit Airlines
19 Jan - 26 Jan	Scandinavian Airlines
26 Jan - 21 Feb	Scandinavian Airlines
05 Jan - 05 Feb	Spirit Airlines
25 Jan - 14 Feb	Spirit Airlines
04 Jan - 24 Jan	jetBlue
16 Jan - 12 Feb	Turkish Airlines
01 Jan - 08 Jan	Air France	direct
25 Jan - 14 Feb	Virgin Atlantic	direct

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 $562

Return flights