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

Return flights

07 Dec - 21 Dec	Vueling Airlines
04 Dec - 21 Dec	Vueling Airlines
09 Dec - 25 Jan	Wizz Air UK
07 Dec - 15 Jan	Vueling Airlines
10 Dec - 15 Jan	easyJet
03 Dec - 14 Dec	Wizz Air UK
04 Dec - 18 Dec	Wizz Air UK
04 Dec - 11 Dec	Wizz Air UK
04 Dec - 11 Jan	Vueling Airlines
05 Dec - 18 Dec	Wizz Air UK
05 Dec - 14 Dec	Wizz Air UK
08 Dec - 14 Dec	easyJet
08 Dec - 15 Jan	easyJet
07 Dec - 20 Jan	Vueling Airlines
04 Dec - 09 Dec	Vueling Airlines
11 Dec - 18 Dec	Wizz Air UK
30 Dec - 15 Jan	Wizz Air UK
09 Dec - 15 Jan	Wizz Air UK
29 Dec - 29 Jan	Wizz Air UK
05 Dec - 11 Jan	Wizz Air UK

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 394€

Return flights