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

Return flights

08 Dec - 18 Dec	Wizz Air
02 Dec - 15 Dec	Ryanair
01 Dec - 10 Dec	Pegasus Airlines
07 Dec - 14 Dec	Wizz Air UK
03 Dec - 07 Dec	Pegasus Airlines
03 Dec - 13 Dec	AJet
08 Dec - 14 Dec	Wizz Air
31 Dec - 17 Jan	Pegasus Airlines
01 Dec - 15 Dec	Pegasus Airlines
15 Dec - 18 Dec	Wizz Air
07 Dec - 28 Dec	Wizz Air UK
12 Dec - 30 Jan	Wizz Air
11 Dec - 07 Jan	Wizz Air UK
02 Dec - 10 Jan	Ryanair
01 Dec - 12 Jan	Pegasus Airlines
31 Dec - 13 Jan	Wizz Air
29 Dec - 30 Jan	Pegasus Airlines
01 Dec - 19 Jan	Pegasus Airlines
03 Dec - 10 Jan	AJet
02 Dec - 09 Jan	AJet

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 $446

Return flights