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

Return flights

20 Jul - 31 Aug	Spirit Airlines
28 Jul - 28 Aug	jetBlue
21 Jul - 28 Jul	Spirit Airlines
20 Jul - 04 Aug	Spirit Airlines
07 Jul - 05 Aug	Spirit Airlines
08 Jul - 05 Aug	Spirit Airlines
01 Jul - 29 Jul	Spirit Airlines
11 Jul - 08 Aug	Spirit Airlines
06 Jul - 06 Aug	KLM
07 Jul - 15 Jul	Delta	direct
12 Jul - 09 Aug	Delta
13 Jul - 10 Aug	Delta
05 Jul - 08 Aug	jetBlue
12 Jul - 20 Jul	Delta
02 Jul - 11 Jul	Lufthansa
25 Jul - 31 Jul	WestJet
01 Jul - 06 Jul	Spirit Airlines
12 Jul - 20 Jul	Virgin Atlantic	direct
25 Jul - 31 Jul	Virgin Atlantic	direct

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 607€

Return flights