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

Return flights

19 Jan - 23 Jan	AZAL
22 Jan - 19 Feb	PIA
12 Jan - 01 Feb	AZAL
21 Jan - 23 Jan	SalamAir
12 Jan - 02 Feb	AZAL
21 Jan - 27 Jan	SalamAir
15 Jan - 30 Jan	SalamAir
23 Jan - 25 Jan	PIA
26 Jan - 10 Feb	AZAL
28 Jan - 17 Feb	PIA
15 Jan - 15 Feb	SalamAir
17 Jan - 27 Jan	Fly Jinnah
15 Jan - 31 Jan	SalamAir
07 Jan - 22 Jan	Fly Jinnah
07 Jan - 16 Feb	Fly Jinnah
09 Jan - 14 Jan	Fly Jinnah
08 Jan - 29 Jan	Fly Jinnah
05 Jan - 03 Feb	SalamAir
02 Jan - 17 Feb	Saudia
03 Jan - 17 Feb	Uzbekistan Airways

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

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 January from 394€

Return flights