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

Return flights

08 Dec - 19 Dec	Pegasus Airlines
08 Dec - 21 Dec	Pegasus Airlines
02 Dec - 18 Dec	AJet
08 Dec - 15 Dec	Pegasus Airlines
01 Dec - 12 Dec	AJet
04 Dec - 18 Dec	Pegasus Airlines
02 Dec - 15 Dec	Pegasus Airlines
05 Dec - 12 Dec	Pegasus Airlines
06 Dec - 21 Dec	Pegasus Airlines
02 Dec - 16 Dec	AJet
06 Dec - 18 Jan	Pegasus Airlines
04 Dec - 17 Jan	Pegasus Airlines
07 Dec - 17 Jan	Pegasus Airlines
13 Dec - 17 Jan	Ryanair
31 Dec - 16 Jan	Ryanair
04 Dec - 10 Jan	Pegasus Airlines
05 Dec - 17 Jan	Pegasus Airlines
13 Dec - 26 Jan	Ryanair
14 Dec - 18 Jan	Ryanair
30 Dec - 21 Jan	Pegasus Airlines

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 $394

Return flights