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

Return flights

01 Dec - 15 Dec	Ryanair
02 Dec - 08 Dec	Ryanair
01 Dec - 10 Dec	Lufthansa
01 Dec - 13 Dec	Ryanair
02 Dec - 13 Dec	SWISS
01 Dec - 18 Dec	easyJet
03 Dec - 18 Dec	Wizz Air UK
02 Dec - 18 Dec	easyJet
14 Dec - 21 Dec	Wizz Air UK
11 Dec - 25 Dec	Wizz Air UK
11 Dec - 14 Jan	Wizz Air UK
07 Dec - 18 Jan	Wizz Air UK
04 Dec - 11 Jan	Wizz Air UK
18 Dec - 20 Jan	Aegean Airlines
05 Dec - 15 Jan	Vueling Airlines
25 Dec - 23 Jan	Aegean Airlines
25 Dec - 25 Jan	Aegean Airlines
10 Dec - 07 Jan	Wizz Air UK
07 Dec - 06 Jan	Wizz Air UK
03 Dec - 10 Jan	Fly One

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 352€

Return flights