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

Return flights

10 Mar - 15 Apr	Fly Jinnah
17 Mar - 16 Apr	PIA
17 Mar - 15 Apr	PIA
14 Mar - 16 Apr	Flynas
21 Mar - 19 Apr	Fly Jinnah
03 Mar - 10 Mar	PIA
02 Mar - 09 Mar	AZAL
17 Mar - 10 Apr	Fly Jinnah
30 Mar - 27 Apr	PIA
07 Mar - 14 Mar	PIA
17 Mar - 24 Mar	PIA
24 Mar - 23 Apr	Fly Jinnah
15 Mar - 22 Mar	AZAL
05 Mar - 12 Mar	AZAL
18 Mar - 25 Mar	Fly Jinnah
10 Mar - 17 Mar	PIA
09 Mar - 16 Mar	AZAL
01 Mar - 08 Mar	Etihad Airways
14 Mar - 11 Apr	Qatar Airways
17 Mar - 03 Apr	PIA

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 $509

Return flights