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

Return flights

01 Dec - 08 Dec	British Airways
03 Dec - 10 Dec	Vueling Airlines
02 Dec - 15 Dec	Eurowings
02 Dec - 18 Dec	Eurowings
02 Dec - 09 Dec	SWISS
04 Dec - 08 Dec	Eurowings
04 Dec - 12 Jan	Eurowings
04 Dec - 31 Dec	Eurowings
08 Dec - 22 Dec	Eurowings
05 Dec - 21 Dec	Eurowings
04 Dec - 11 Dec	Eurowings
01 Dec - 15 Jan	Etihad Airways
04 Dec - 01 Jan	Eurowings
25 Dec - 22 Jan	Turkish Airlines
01 Dec - 16 Jan	Etihad Airways
07 Dec - 18 Jan	Etihad Airways
07 Dec - 17 Jan	Etihad Airways
30 Dec - 28 Jan	Etihad Airways
31 Dec - 28 Jan	Etihad Airways
03 Dec - 15 Jan	Qatar Airways

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 387€

Return flights