AirHint found the following cheapest return flights from Islamabad (ISB) to London (LTN) in May 2026 (see full year).

Return flights

17 May - 01 Jun	Etihad Airways
20 May - 10 Jun	Etihad Airways
20 May - 27 May	Etihad Airways
24 May - 01 Jun	Etihad Airways
17 May - 31 May	Etihad Airways
14 May - 29 May	PIA
27 May - 30 Jun	Etihad Airways
22 May - 30 May	Etihad Airways
10 May - 14 Jun	PIA
18 May - 25 May	Etihad Airways
11 May - 15 Jun	PIA
13 May - 17 Jun	PIA
13 May - 13 Jun	PIA
08 May - 12 Jun	PIA
08 May - 25 May	PIA
01 May - 15 May	Turkish Airlines
01 May - 08 May	Turkish Airlines

Also check the deals for one-way flights from Islamabad to London in May.

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 May from 526€

Return flights