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

Return flights

25 Mar - 22 Apr	PIA
12 Mar - 05 Apr	AZAL
26 Mar - 23 Apr	Gulf Air
07 Mar - 14 Mar	PIA
12 Mar - 22 Apr	AZAL
28 Mar - 10 Apr	Gulf Air
11 Mar - 20 Mar	Flynas
31 Mar - 15 Apr	Turkish Airlines
31 Mar - 17 Apr	Turkish Airlines
27 Mar - 11 Apr	Turkish Airlines
25 Mar - 31 Mar	PIA
20 Mar - 20 Apr	Fly Jinnah
04 Mar - 22 Mar	Fly Jinnah
16 Mar - 30 Mar	PIA
15 Mar - 16 Apr	AZAL
13 Mar - 22 Mar	Qatar Airways
14 Mar - 21 Mar	Turkish Airlines
04 Mar - 22 Mar	British Airways	direct
11 Mar - 20 Mar	British Airways	direct
09 Mar - 16 Mar	British Airways

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

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 March from 523€

Return flights