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

Return flights

10 Dec - 30 Dec	SWISS
05 Dec - 14 Dec	ITA Airways
14 Dec - 08 Jan	SWISS
26 Dec - 28 Dec	ITA Airways
17 Dec - 08 Jan	ITA Airways
09 Dec - 06 Jan	ITA Airways
15 Dec - 06 Jan	ITA Airways
19 Dec - 18 Jan	ITA Airways
14 Dec - 09 Jan	ITA Airways
19 Dec - 08 Jan	ITA Airways
22 Dec - 07 Jan	ITA Airways
21 Dec - 07 Jan	ITA Airways
12 Dec - 01 Jan	SWISS

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 $1829

Return flights