Cheapest return DTW–LHR flights, August

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

Return flights

08 Aug - 31 Aug jetBlue
24 Aug - 24 Sep Frontier Airlines
03 Aug - 18 Aug Frontier Airlines
01 Aug - 12 Aug Frontier Airlines
12 Aug - 20 Aug Delta
18 Aug - 25 Aug Delta
19 Aug - 25 Aug Delta
25 Aug - 01 Sep Delta
25 Aug - 02 Sep Delta
25 Aug - 08 Sep Delta
26 Aug - 02 Sep Delta
17 Aug - 24 Aug Air Canada
19 Aug - 24 Aug Air Canada
03 Aug - 18 Aug Air France direct
14 Aug - 17 Aug jetBlue
29 Aug - 02 Sep Air Canada

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

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