AirHint found the following cheapest return flights from Islamabad (ISB) to London (LTN) in July 2025 (see full year).

Return flights

28 Jul - 22 Aug	Fly Jinnah
22 Jul - 26 Aug	Fly Jinnah
22 Jul - 20 Aug	PIA
27 Jul - 31 Aug	Fly Jinnah
22 Jul - 27 Aug	PIA
24 Jul - 27 Aug	Fly Jinnah
31 Jul - 29 Aug	Fly Jinnah
22 Jul - 22 Aug	PIA
23 Jul - 19 Aug	Fly Jinnah
31 Jul - 31 Aug	Fly Jinnah
22 Jul - 30 Jul	PIA
23 Jul - 30 Jul	Fly Jinnah
23 Jul - 31 Jul	Fly Jinnah
24 Jul - 31 Jul	Fly Jinnah
17 Jul - 31 Jul	Fly Jinnah
20 Jul - 27 Jul	Fly Jinnah
20 Jul - 31 Jul	Fly Jinnah
16 Jul - 31 Jul	Fly Jinnah
24 Jul - 28 Jul	Fly Jinnah
16 Jul - 28 Jul	Fly Jinnah

Also check the deals for one-way flights from Islamabad 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 Islamabad to London in July from 409€

Return flights