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

Return flights

09 Dec - 22 Dec	Wizz Air UK
06 Dec - 29 Dec	Wizz Air UK
02 Dec - 27 Dec	Wizz Air UK
09 Dec - 15 Dec	Wizz Air UK
02 Dec - 17 Dec	Wizz Air UK
02 Dec - 09 Dec	Wizz Air UK
05 Dec - 24 Dec	Wizz Air UK
12 Dec - 21 Dec	SKY express
08 Dec - 22 Dec	easyJet
07 Dec - 21 Dec	easyJet
08 Dec - 08 Jan	Wizz Air UK
29 Dec - 15 Jan	Wizz Air UK
01 Dec - 15 Jan	Vueling Airlines
05 Dec - 12 Jan	Wizz Air UK
11 Dec - 29 Jan	Wizz Air UK
11 Dec - 13 Jan	Wizz Air UK
09 Dec - 13 Jan	Wizz Air UK
09 Dec - 14 Jan	Wizz Air UK
02 Dec - 14 Jan	Wizz Air UK
31 Dec - 18 Jan	Wizz Air

Also check the deals for one-way flights from London to Islamabad 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 London to Islamabad in December from 486€

Return flights