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

Return flights

16 Mar - 13 Apr	AZAL
16 Mar - 08 Apr	AZAL
20 Mar - 11 Apr	PIA
16 Mar - 16 Apr	AZAL
26 Mar - 16 Apr	Fly Jinnah
16 Mar - 23 Mar	AZAL
06 Mar - 06 Apr	Fly Jinnah
07 Mar - 13 Apr	Etihad Airways
24 Mar - 10 Apr	Fly Jinnah
19 Mar - 17 Apr	PIA
12 Mar - 14 Apr	Etihad Airways
05 Mar - 08 Mar	AZAL
16 Mar - 22 Mar	AZAL
02 Mar - 07 Mar	Fly Jinnah
02 Mar - 10 Mar	Fly Jinnah
05 Mar - 14 Mar	AZAL
10 Mar - 25 Mar	Flynas
11 Mar - 13 Mar	Fly Jinnah
04 Mar - 13 Mar	Fly Jinnah
05 Mar - 13 Mar	AZAL

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 367€

Return flights