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

Return flights

28 Dec - 19 Jan	easyJet
29 Dec - 19 Jan	SunExpress
30 Dec - 21 Jan	easyJet
27 Dec - 19 Jan	SunExpress
30 Dec - 26 Jan	Wizz Air UK
29 Dec - 27 Jan	SunExpress
30 Dec - 25 Jan	easyJet
28 Dec - 22 Jan	easyJet
30 Dec - 19 Jan	easyJet
28 Dec - 26 Jan	easyJet
11 Dec - 18 Dec	easyJet
12 Dec - 20 Dec	Vueling Airlines
14 Dec - 16 Dec	easyJet
13 Dec - 17 Dec	Wizz Air
28 Dec - 31 Dec	easyJet
14 Dec - 15 Dec	easyJet
12 Dec - 15 Dec	easyJet
14 Dec - 23 Dec	Vueling Airlines
24 Dec - 27 Dec	easyJet
16 Dec - 20 Dec	easyJet

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 $595

Return flights