AirHint found the following cheapest return flights from Islamabad (ISB) to London (LGW) in December 2025 (see full year).

Return flights

18 Dec - 02 Jan	AZAL
04 Dec - 31 Dec	AZAL
11 Dec - 01 Jan	AZAL
09 Dec - 11 Jan	Fly Jinnah
23 Dec - 06 Jan	Fly Jinnah
20 Dec - 06 Jan	Gulf Air
18 Dec - 28 Dec	AZAL
22 Dec - 06 Jan	Fly Jinnah
21 Dec - 11 Jan	AZAL
03 Dec - 10 Jan	Fly Jinnah
03 Dec - 30 Dec	Turkish Airlines
26 Dec - 31 Dec	Turkish Airlines
19 Dec - 02 Jan	Turkish Airlines
03 Dec - 02 Jan	Turkish Airlines
19 Dec - 28 Dec	Fly Jinnah
24 Dec - 30 Dec	Turkish Airlines
25 Dec - 31 Dec	Turkish Airlines
03 Dec - 30 Dec	British Airways	direct
20 Dec - 26 Dec	Turkish Airlines
20 Dec - 23 Dec	Turkish Airlines

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

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 December from 456€

Return flights