Cheapest return DTW–LHR flights, July

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

Return flights

01 Jul - 30 Aug jetBlue
02 Jul - 13 Jul WestJet
08 Jul - 05 Aug Air Canada
14 Jul - 24 Jul Air France direct
07 Jul - 15 Jul Air Canada
22 Jul - 28 Jul Air France direct
01 Jul - 15 Jul Air France direct
16 Jul - 30 Jul Virgin Atlantic direct
16 Jul - 30 Jul Air Canada
29 Jul - 09 Aug Virgin Atlantic
31 Jul - 11 Aug Air Canada
31 Jul - 06 Aug Air France direct
31 Jul - 11 Aug Air France direct
18 Jul - 02 Aug Air Canada
23 Jul - 27 Jul Air Canada
09 Jul - 16 Jul Air Canada
14 Jul - 25 Jul Air Canada
21 Jul - 01 Aug Air France direct
25 Jul - 02 Aug Air Canada

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

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