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

Return flights

19 Sep - 26 Sep	AirAsia X
01 Sep - 12 Sep	AirAsia X
05 Sep - 11 Sep	AirAsia X
22 Sep - 28 Sep	AirAsia X
08 Sep - 17 Sep	AirAsia X
05 Sep - 12 Sep	AirAsia X
05 Sep - 14 Sep	AirAsia X
10 Sep - 14 Sep	AirAsia X
07 Sep - 14 Sep	AirAsia X
03 Sep - 10 Sep	AirAsia X
23 Sep - 01 Oct	Batik Air Malaysia
30 Sep - 04 Oct	Batik Air Malaysia
25 Sep - 05 Oct	PIA
23 Sep - 03 Oct	Emirates
30 Sep - 07 Oct	Emirates
30 Sep - 11 Oct	Emirates
21 Sep - 01 Oct	AirAsia X
25 Sep - 05 Oct	Thai Airways	direct
30 Sep - 04 Oct	Thai Airways	direct
25 Sep - 02 Oct	Thai Airways	direct

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 407€

Return flights