AirHint found the following cheapest return flights from Wilmington (ILM) to London (LHR) in July 2025 (see full year).

Return flights

28 Jul - 05 Aug	British Airways
15 Jul - 29 Jul	British Airways
14 Jul - 28 Jul	British Airways
14 Jul - 29 Jul	British Airways
14 Jul - 01 Aug	British Airways
14 Jul - 04 Aug	British Airways
20 Jul - 03 Aug	jetBlue
13 Jul - 29 Jul	jetBlue
17 Jul - 04 Aug	jetBlue
18 Jul - 03 Aug	jetBlue
19 Jul - 03 Aug	jetBlue
16 Jul - 01 Aug	jetBlue

Also check the deals for one-way flights from Wilmington 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 Wilmington to London in July from $696

Return flights