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

Return flights

18 Sep - 02 Oct	SalamAir
30 Sep - 10 Oct	SalamAir
28 Sep - 05 Oct	AirAsia X
29 Sep - 09 Oct	AirAsia X
30 Sep - 07 Oct	Batik Air Malaysia
19 Sep - 24 Sep	AirAsia X
23 Sep - 30 Sep	SalamAir
26 Sep - 03 Oct	AirAsia X
22 Sep - 29 Sep	AirAsia X
26 Sep - 08 Oct	AirAsia X
19 Sep - 03 Oct	AirAsia X
24 Sep - 29 Sep	AirAsia X
19 Sep - 29 Sep	AirAsia X
26 Sep - 29 Sep	AirAsia X
19 Sep - 30 Sep	AirAsia X
22 Sep - 02 Oct	AirAsia X
30 Sep - 12 Oct	SalamAir
19 Sep - 26 Sep	AirAsia X
17 Sep - 27 Sep	Oman Air
19 Sep - 28 Sep	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 $495

Return flights