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

Return flights

01 Sep - 10 Sep	AirAsia X
02 Sep - 09 Sep	Batik Air Malaysia
03 Sep - 10 Sep	AirAsia X
17 Sep - 26 Sep	Oman Air
05 Sep - 20 Sep	AirAsia X
03 Sep - 17 Sep	AirAsia X
04 Sep - 13 Sep	Batik Air Malaysia
13 Sep - 29 Sep	SriLankan Airlines
05 Sep - 12 Sep	AirAsia X
13 Sep - 28 Sep	Oman Air
25 Sep - 01 Oct	SriLankan Airlines
24 Sep - 01 Oct	AirAsia X
29 Sep - 13 Oct	Qatar Airways
26 Sep - 02 Oct	Qatar Airways
19 Sep - 01 Oct	Qatar Airways
30 Sep - 14 Oct	Qatar Airways
17 Sep - 07 Oct	AirAsia X
19 Sep - 07 Oct	AirAsia X
29 Sep - 14 Oct	AirAsia X
17 Sep - 06 Oct	AirAsia X

Also check the deals for one-way flights from Karachi to Bangkok 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 Bangkok in September from 396€

Return flights