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

Return flights

31 Dec - 22 Jan	Qatar Airways
31 Dec - 28 Jan	Qatar Airways
31 Dec - 20 Jan	Qatar Airways
31 Dec - 25 Jan	Qatar Airways
30 Dec - 24 Jan	Qatar Airways
30 Dec - 31 Jan	Qatar Airways
31 Dec - 19 Jan	Qatar Airways
30 Dec - 26 Jan	Saudia
30 Dec - 19 Jan	Qatar Airways
26 Dec - 14 Jan	Eurowings
10 Dec - 16 Dec	British Airways
09 Dec - 16 Dec	Qatar Airways
09 Dec - 17 Dec	Qatar Airways
10 Dec - 17 Dec	Qatar Airways
07 Dec - 18 Dec	Eurowings
07 Dec - 23 Dec	Saudia
09 Dec - 23 Dec	British Airways
09 Dec - 22 Dec	British Airways
09 Dec - 24 Dec	British Airways
09 Dec - 18 Dec	British Airways

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.

Book a cheap hotel in Karachi

Cheap car rent in Karachi

Cheapest return flights from London to Karachi in December from 550€

Return flights