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

Return flights

31 Dec - 27 Jan	Wizz Air UK
31 Dec - 24 Jan	Wizz Air UK
31 Dec - 18 Jan	Wizz Air UK
10 Dec - 18 Dec	easyJet
12 Dec - 20 Jan	easyJet
12 Dec - 23 Dec	easyJet
15 Dec - 22 Dec	easyJet
12 Dec - 22 Dec	easyJet
14 Dec - 20 Dec	Vueling Airlines
29 Dec - 28 Jan	easyJet
15 Dec - 19 Jan	easyJet
16 Dec - 15 Jan	Wizz Air
10 Dec - 23 Dec	easyJet
12 Dec - 12 Jan	easyJet
10 Dec - 17 Dec	easyJet
14 Dec - 15 Jan	Vueling Airlines
31 Dec - 20 Jan	British Airways
10 Dec - 19 Dec	easyJet
15 Dec - 28 Dec	Ryanair
16 Dec - 24 Dec	Wizz Air

Also check the deals for one-way flights from London to Karachi 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 Karachi in December from $532

Return flights