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

Return flights

22 Apr - 06 May	Turkish Airlines
26 Apr - 07 May	Turkish Airlines
17 Apr - 24 Apr	Turkish Airlines
09 Apr - 12 Apr	Turkish Airlines
15 Apr - 09 May	Turkish Airlines
24 Apr - 16 May	Turkish Airlines
12 Apr - 19 Apr	Air France
23 Apr - 27 Apr	Delta

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

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 April from 668€

Return flights