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

Return flights

11 May - 29 Jun	Etihad Airways
02 May - 20 Jun	Etihad Airways
04 May - 21 Jun	Etihad Airways
01 May - 30 Jun	Etihad Airways
01 May - 19 Jun	Etihad Airways
05 May - 25 May	Saudia
12 May - 26 May	Saudia
14 May - 28 May	Saudia
13 May - 28 May	Saudia
18 May - 25 May	Saudia
18 May - 26 May	Saudia
11 May - 24 May	Saudia
04 May - 25 May	Saudia
04 May - 26 May	Saudia
24 May - 18 Jun	Saudia
12 May - 16 Jun	Saudia
13 May - 17 Jun	Saudia
19 May - 16 Jun	Saudia
25 May - 22 Jun	Saudia
20 May - 27 May	Saudia

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

Book a cheap hotel in Islamabad

Cheap car rent in Islamabad

Cheapest return flights from London to Islamabad in May from 592€

Return flights