Cheapest return flights from Detroit to London in September from $551

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

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

Return flights

16 Sep - 30 Sep Spirit Airlines
23 Sep - 30 Sep Spirit Airlines
22 Sep - 30 Sep Spirit Airlines
16 Sep - 23 Sep Spirit Airlines
23 Sep - 29 Sep Spirit Airlines
22 Sep - 29 Sep Spirit Airlines
23 Sep - 26 Sep Spirit Airlines
08 Sep - 12 Sep Spirit Airlines
24 Sep - 01 Oct Spirit Airlines
16 Sep - 01 Oct Spirit Airlines
22 Sep - 04 Oct jetBlue
22 Sep - 10 Oct jetBlue
24 Sep - 10 Oct jetBlue
25 Sep - 01 Oct jetBlue
22 Sep - 18 Oct jetBlue
23 Sep - 10 Oct jetBlue
30 Sep - 12 Oct jetBlue
16 Sep - 05 Oct Spirit Airlines

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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