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

Return flights

26 Jan - 09 Feb	PIA
30 Jan - 06 Feb	PIA
28 Jan - 10 Feb	Fly Jinnah
26 Jan - 02 Feb	Fly Jinnah
28 Jan - 04 Feb	Fly Jinnah
29 Jan - 05 Feb	PIA
30 Jan - 14 Feb	Fly Jinnah
21 Jan - 23 Feb	Fly Jinnah
31 Jan - 15 Feb	Fly Jinnah
23 Jan - 26 Feb	Fly Jinnah
19 Jan - 29 Jan	PIA
19 Jan - 25 Jan	PIA
13 Jan - 20 Jan	PIA
22 Jan - 29 Jan	Fly Jinnah
19 Jan - 21 Jan	Fly Jinnah
21 Jan - 23 Jan	PIA
14 Jan - 21 Jan	Fly Jinnah
20 Jan - 27 Jan	PIA
11 Jan - 18 Jan	Fly Jinnah
21 Jan - 28 Jan	Fly Jinnah

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 $548

Return flights