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

Return flights

21 Jan - 10 Feb	Gulf Air
21 Jan - 31 Jan	Gulf Air
29 Jan - 12 Feb	Ryanair
12 Jan - 12 Feb	British Airways
26 Jan - 13 Feb	British Airways
27 Jan - 17 Feb	Qatar Airways
14 Jan - 29 Jan	Etihad Airways
12 Jan - 26 Jan	Gulf Air
12 Jan - 09 Feb	Gulf Air
29 Jan - 16 Feb	Gulf Air
31 Jan - 07 Feb	Turkish Airlines
15 Jan - 21 Jan	Ryanair
30 Jan - 11 Feb	British Airways
16 Jan - 31 Jan	Gulf Air
09 Jan - 31 Jan	Gulf Air
23 Jan - 11 Feb	British Airways
15 Jan - 30 Jan	Ryanair
15 Jan - 25 Jan	Ryanair
13 Jan - 31 Jan	Qatar Airways
10 Jan - 25 Jan	Ryanair

Also check the deals for one-way flights from London to Islamabad 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 London to Islamabad in January from $681

Return flights