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

Return flights

18 Mar - 13 Apr	Fly Jinnah
16 Mar - 20 Apr	Flynas
02 Mar - 13 Mar	AZAL
07 Mar - 14 Mar	PIA
03 Mar - 15 Apr	PIA
16 Mar - 13 Apr	AZAL
19 Mar - 14 Apr	Fly Jinnah
16 Mar - 10 Apr	Flynas
02 Mar - 09 Mar	AZAL
18 Mar - 30 Apr	Fly Jinnah
12 Mar - 09 Apr	Etihad Airways
23 Mar - 11 Apr	Fly Jinnah
30 Mar - 13 Apr	PIA
08 Mar - 15 Mar	AZAL
12 Mar - 26 Mar	AZAL
16 Mar - 30 Mar	Flynas
13 Mar - 23 Mar	flyadeal
07 Mar - 22 Mar	Etihad Airways
07 Mar - 24 Mar	Etihad Airways
16 Mar - 27 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 411€

Return flights