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

Return flights

02 Mar - 13 Mar	AZAL
12 Mar - 25 Mar	AZAL
10 Mar - 25 Apr	Fly Jinnah
10 Mar - 30 Apr	Fly Jinnah
01 Mar - 11 Apr	PIA
06 Mar - 15 Mar	Fly Jinnah
21 Mar - 24 Mar	PIA
18 Mar - 05 Apr	Fly Jinnah
05 Mar - 15 Apr	Fly Jinnah
10 Mar - 15 Apr	Fly Jinnah
14 Mar - 13 Apr	Fly Jinnah
15 Mar - 15 Apr	PIA
20 Mar - 23 Mar	PIA
19 Mar - 26 Apr	Fly Jinnah
14 Mar - 26 Apr	Fly Jinnah
09 Mar - 16 Mar	AZAL
05 Mar - 18 Mar	AZAL
04 Mar - 17 Mar	Fly Jinnah
04 Mar - 13 Mar	Fly Jinnah
02 Mar - 08 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 444€

Return flights