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

Return flights

25 Jul - 05 Aug	WestJet
30 Jul - 04 Aug	Spirit Airlines
01 Jul - 08 Jul	Spirit Airlines
23 Jul - 12 Aug	Spirit Airlines
08 Jul - 29 Jul	Spirit Airlines
24 Jul - 12 Aug	Spirit Airlines
01 Jul - 18 Jul	Spirit Airlines
22 Jul - 29 Jul	jetBlue
10 Jul - 15 Jul	TAP
22 Jul - 05 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 $814

Return flights