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

Return flights

03 Apr - 17 Apr	PIA
04 Apr - 11 May	Gulf Air
01 Apr - 10 Apr	Fly Jinnah
22 Apr - 29 Apr	Turkish Airlines
02 Apr - 12 Apr	PIA
02 Apr - 20 Apr	Fly Jinnah
03 Apr - 10 Apr	PIA
02 Apr - 09 Apr	Turkish Airlines
30 Apr - 14 May	Turkish Airlines
30 Apr - 18 May	Turkish Airlines
02 Apr - 01 May	Turkish Airlines
29 Apr - 22 May	Turkish Airlines
23 Apr - 01 May	Turkish Airlines
15 Apr - 05 May	PIA
01 Apr - 19 Apr	Turkish Airlines
02 Apr - 24 Apr	Turkish Airlines
23 Apr - 29 Apr	Turkish Airlines
23 Apr - 25 May	Turkish Airlines
03 Apr - 10 May	Fly Jinnah
14 Apr - 12 May	Fly Jinnah

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

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Cheapest return flights from Islamabad to London in April from 493€

Return flights