AirHint found the following cheapest return flights from Islamabad (ISB) to Bangkok (BKK) in August 2025 (see full year).

Return flights

20 Aug - 28 Aug	Fly Jinnah
17 Aug - 31 Aug	China Southern
17 Aug - 27 Aug	China Southern
02 Aug - 09 Aug	SalamAir
06 Aug - 06 Sep	SalamAir
21 Aug - 26 Aug	China Southern
03 Aug - 09 Aug	SalamAir
19 Aug - 27 Aug	China Southern
19 Aug - 28 Aug	China Southern
27 Aug - 30 Aug	Serene Air
21 Aug - 28 Aug	China Southern
01 Aug - 29 Sep	Fly Jinnah
25 Aug - 01 Sep	PIA
31 Aug - 12 Sep	Serene Air
01 Aug - 25 Sep	SalamAir
08 Aug - 01 Sep	Etihad Airways
29 Aug - 05 Sep	Etihad Airways
08 Aug - 08 Sep	Etihad Airways
27 Aug - 13 Sep	Etihad Airways
28 Aug - 09 Sep	Etihad Airways

Also check the deals for one-way flights from Islamabad to Bangkok in August.

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 Islamabad to Bangkok in August from $574

Return flights