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

Return flights

01 Dec - 14 Dec	Wizz Air UK
05 Dec - 14 Dec	Wizz Air UK
05 Dec - 15 Dec	Wizz Air UK
08 Dec - 15 Dec	Wizz Air UK
01 Dec - 12 Dec	Ryanair
02 Dec - 11 Dec	Ryanair
01 Dec - 25 Dec	Wizz Air UK
06 Dec - 14 Dec	Wizz Air Malta
07 Dec - 18 Dec	Wizz Air UK
07 Dec - 14 Dec	Wizz Air UK
10 Dec - 25 Jan	Wizz Air Malta
13 Dec - 25 Jan	Wizz Air Malta
12 Dec - 21 Jan	Wizz Air UK
01 Dec - 17 Jan	Wizz Air UK
05 Dec - 10 Jan	Wizz Air UK
06 Dec - 31 Jan	Wizz Air UK
02 Dec - 10 Jan	Ryanair
06 Dec - 12 Jan	Wizz Air Malta
06 Dec - 30 Jan	Wizz Air UK
15 Dec - 13 Jan	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 302€

Return flights