Cheapest return flights from Detroit to London in September from $775

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

Return flights

15 Sep - 22 Sep Turkish Airlines
14 Sep - 21 Sep Turkish Airlines
04 Sep - 19 Sep Spirit Airlines
19 Sep - 26 Sep Turkish Airlines
11 Sep - 13 Sep Turkish Airlines
15 Sep - 22 Sep Air France direct
14 Sep - 21 Sep Air France direct
19 Sep - 26 Sep Delta direct

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

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