Cheapest return flights from Detroit to London in September from $529

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

09 Sep - 16 Sep Spirit Airlines
09 Sep - 23 Sep Spirit Airlines
10 Sep - 16 Sep Spirit Airlines
27 Sep - 07 Oct Spirit Airlines
20 Sep - 27 Sep Spirit Airlines
03 Sep - 09 Sep Spirit Airlines
06 Sep - 12 Sep Icelandair
20 Sep - 01 Oct Icelandair
16 Sep - 07 Oct Spirit Airlines
09 Sep - 01 Oct Icelandair
20 Sep - 13 Oct Icelandair
09 Sep - 25 Sep Spirit Airlines
01 Sep - 19 Sep Icelandair
07 Sep - 21 Sep Icelandair
02 Sep - 09 Sep Icelandair
20 Sep - 07 Oct Spirit Airlines
30 Sep - 14 Oct Spirit Airlines
30 Sep - 21 Oct Spirit Airlines
25 Sep - 05 Oct Spirit Airlines
24 Sep - 15 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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