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

Return flights

10 Sep - 17 Sep	Pegasus Airlines
14 Sep - 21 Sep	Pegasus Airlines
13 Sep - 20 Sep	Pegasus Airlines
12 Sep - 19 Sep	Pegasus Airlines
10 Sep - 14 Sep	Pegasus Airlines
25 Sep - 02 Oct	Etihad Airways
09 Sep - 16 Sep	Pegasus Airlines
11 Sep - 18 Sep	Pegasus Airlines
13 Sep - 24 Sep	Pegasus Airlines
18 Sep - 30 Sep	Qatar Airways
08 Sep - 15 Sep	Etihad Airways
25 Sep - 05 Oct	Qatar Airways
24 Sep - 08 Oct	Saudia
20 Sep - 25 Oct	Qatar Airways
08 Sep - 12 Oct	Oman Air
06 Sep - 09 Oct	Pegasus Airlines
06 Sep - 11 Oct	Pegasus Airlines

Also check the deals for one-way flights from Karachi to London in September.

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 Karachi to London in September from $463

Return flights