Cheapest return flights from Detroit to London in September from $622

Best time to book flights for Detroit (DTW) to London (LHR) flights at AirHint

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

Return flights

15 Sep - 22 Sep Spirit Airlines
15 Sep - 24 Sep Spirit Airlines
24 Sep - 08 Oct Spirit Airlines
15 Sep - 29 Sep Spirit Airlines
09 Sep - 18 Sep Spirit Airlines
17 Sep - 24 Sep Spirit Airlines
03 Sep - 17 Sep Spirit Airlines
03 Sep - 15 Sep Spirit Airlines
23 Sep - 07 Oct jetBlue
23 Sep - 02 Oct jetBlue
30 Sep - 21 Oct jetBlue
09 Sep - 16 Sep Spirit Airlines
27 Sep - 04 Oct jetBlue
09 Sep - 23 Sep Spirit Airlines
16 Sep - 23 Sep Spirit Airlines
17 Sep - 08 Oct Spirit Airlines
23 Sep - 03 Oct jetBlue
26 Sep - 11 Oct jetBlue
15 Sep - 12 Oct jetBlue
16 Sep - 07 Oct jetBlue

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

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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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