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

Return flights

28 Apr - 05 May	Spirit Airlines
08 Apr - 16 Apr	Spirit Airlines
01 Apr - 13 Apr	Spirit Airlines
01 Apr - 15 Apr	Spirit Airlines
24 Apr - 02 May	Spirit Airlines
19 Apr - 27 Apr	Spirit Airlines
19 Apr - 30 Apr	Spirit Airlines
27 Apr - 03 May	Spirit Airlines
09 Apr - 15 Apr	Spirit Airlines
27 Apr - 11 May	Spirit Airlines
11 Apr - 25 Apr	Spirit Airlines
05 Apr - 19 Apr	Spirit Airlines
22 Apr - 31 May	Spirit Airlines
08 Apr - 14 Apr	Spirit Airlines
06 Apr - 10 Apr	Spirit Airlines

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 $506

Return flights