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

Return flights

29 Dec - 26 Jan	Pegasus Airlines
28 Dec - 30 Jan	Ryanair
31 Dec - 16 Jan	Ryanair
29 Dec - 13 Jan	Pegasus Airlines
25 Dec - 30 Jan	Pegasus Airlines
28 Dec - 17 Jan	Ryanair
28 Dec - 20 Jan	Ryanair
30 Dec - 16 Jan	AJet
28 Dec - 14 Jan	Ryanair
30 Dec - 13 Jan	AJet
24 Dec - 27 Dec	Ryanair
27 Dec - 30 Dec	Jet2
25 Dec - 29 Dec	Pegasus Airlines
24 Dec - 29 Dec	Ryanair
25 Dec - 30 Dec	Pegasus Airlines
24 Dec - 28 Dec	Ryanair
25 Dec - 31 Dec	Pegasus Airlines
24 Dec - 30 Dec	Ryanair
23 Dec - 25 Dec	Ryanair
23 Dec - 31 Dec	Ryanair

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 412€

Return flights