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

Return flights

15 Apr - 16 May	Gulf Air
24 Apr - 09 May	Wizz Air UK
15 Apr - 15 May	Turkish Airlines
29 Apr - 19 May	Turkish Airlines
15 Apr - 30 Apr	Gulf Air
15 Apr - 28 Apr	Turkish Airlines
14 Apr - 13 May	Turkish Airlines
15 Apr - 11 May	Turkish Airlines
17 Apr - 02 May	Gulf Air
18 Apr - 02 May	Wizz Air UK
21 Apr - 10 May	Turkish Airlines
18 Apr - 03 May	Turkish Airlines
06 Apr - 27 Apr	Wizz Air UK
04 Apr - 24 Apr	Saudia
13 Apr - 25 Apr	Qatar Airways
04 Apr - 19 Apr	Saudia
18 Apr - 25 Apr	Saudia
01 Apr - 21 Apr	Gulf Air
07 Apr - 21 Apr	Saudia
01 Apr - 09 Apr	Gulf Air

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

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 April from 529€

Return flights