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

Return flights

05 Dec - 15 Dec	KLM
15 Dec - 31 Dec	KLM
12 Dec - 30 Dec	ITA Airways
06 Dec - 31 Dec	ITA Airways
07 Dec - 31 Dec	ITA Airways
16 Dec - 30 Dec	ITA Airways
03 Dec - 30 Dec	Air Dolomiti
01 Dec - 14 Dec	Air Dolomiti
01 Dec - 23 Dec	Air Dolomiti
10 Dec - 11 Jan	Air Dolomiti
24 Dec - 13 Jan	KLM
10 Dec - 07 Jan	KLM
08 Dec - 30 Dec	Air Dolomiti
12 Dec - 07 Jan	KLM
17 Dec - 07 Jan	Lufthansa
17 Dec - 14 Jan	ITA Airways
15 Dec - 11 Jan	KLM
10 Dec - 05 Jan	KLM
09 Dec - 05 Jan	KLM
17 Dec - 05 Jan	KLM

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 573€

Return flights