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

Return flights

31 Jul - 22 Aug	jetBlue
28 Jul - 04 Aug	jetBlue
01 Jul - 14 Jul	jetBlue
08 Jul - 15 Jul	jetBlue
09 Jul - 01 Aug	jetBlue
15 Jul - 06 Aug	Lufthansa
15 Jul - 29 Jul	Icelandair
15 Jul - 15 Aug	Lufthansa
10 Jul - 31 Jul	Icelandair

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

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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Cheapest return flights from Detroit to London in July from $757

Return flights