AirHint found the following cheapest return flights from London (STN) to Karachi (KHI) in December 2026 (see full year).

Return flights

07 Dec - 13 Dec	Turkish Airlines
01 Dec - 13 Dec	Turkish Airlines
01 Dec - 22 Dec	Turkish Airlines
05 Dec - 09 Jan	Ryanair
04 Dec - 09 Jan	Turkish Airlines
07 Dec - 07 Jan	Ryanair
06 Dec - 07 Jan	Ryanair
03 Dec - 09 Jan	Ryanair
01 Dec - 01 Jan	Ryanair
01 Dec - 02 Jan	Ryanair
04 Dec - 07 Jan	Ryanair
05 Dec - 03 Jan	Ryanair
08 Dec - 01 Jan	Ryanair
03 Dec - 31 Dec	Ryanair
08 Dec - 31 Dec	Ryanair
14 Dec - 28 Dec	Ryanair
12 Dec - 29 Dec	Ryanair
14 Dec - 21 Dec	Ryanair
12 Dec - 30 Dec	Ryanair
12 Dec - 19 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 430€

Return flights