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

Return flights

27 Jul - 27 Aug	Spirit Airlines
20 Jul - 04 Aug	Air France
07 Jul - 05 Aug	WestJet
08 Jul - 05 Aug	Spirit Airlines
01 Jul - 08 Jul	WestJet
01 Jul - 29 Jul	Lufthansa
06 Jul - 06 Aug	WestJet
13 Jul - 20 Jul	Spirit Airlines
01 Jul - 06 Jul	WestJet
23 Jul - 29 Jul	Spirit Airlines
23 Jul - 28 Jul	Spirit Airlines
05 Jul - 08 Aug	WestJet
23 Jul - 30 Jul	Spirit Airlines
11 Jul - 08 Aug	WestJet

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 578€

Return flights