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

Return flights

19 Sep - 24 Sep	Etihad Airways
19 Sep - 28 Sep	Etihad Airways
17 Sep - 23 Sep	Etihad Airways
29 Sep - 13 Oct	AirAsia X
17 Sep - 24 Sep	Etihad Airways
18 Sep - 24 Sep	Etihad Airways
19 Sep - 23 Sep	Etihad Airways
19 Sep - 22 Sep	Etihad Airways
18 Sep - 22 Sep	Etihad Airways
17 Sep - 22 Sep	Etihad Airways
18 Sep - 23 Sep	Etihad Airways
28 Sep - 13 Oct	AirAsia X
29 Sep - 17 Oct	AirAsia X
29 Sep - 12 Oct	AirAsia X
29 Sep - 20 Oct	AirAsia X
28 Sep - 17 Oct	AirAsia X
24 Sep - 13 Oct	AirAsia X
28 Sep - 12 Oct	AirAsia X
22 Sep - 13 Oct	AirAsia X
24 Sep - 12 Oct	AirAsia X

Also check the deals for one-way flights from Karachi to Seoul 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Karachi to Seoul in September from $595

Return flights