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

Return flights

31 Dec - 28 Jan	Wizz Air UK
31 Dec - 26 Jan	Wizz Air UK
31 Dec - 30 Jan	Wizz Air UK
30 Dec - 29 Jan	Ryanair
31 Dec - 21 Jan	Wizz Air UK
30 Dec - 22 Jan	Wizz Air Malta
27 Dec - 30 Jan	Jet2
31 Dec - 17 Jan	Wizz Air UK
30 Dec - 30 Jan	Ryanair
31 Dec - 19 Jan	Wizz Air UK
27 Dec - 31 Dec	Jet2
28 Dec - 31 Dec	easyJet
27 Dec - 29 Dec	Jet2
27 Dec - 30 Dec	Jet2
26 Dec - 31 Dec	Ryanair
25 Dec - 28 Dec	Wizz Air UK
25 Dec - 31 Dec	Wizz Air UK
24 Dec - 31 Dec	Wizz Air Malta
25 Dec - 29 Dec	Wizz Air UK
26 Dec - 30 Dec	Wizz Air Malta

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 411€

Return flights