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

Return flights

22 Aug - 25 Aug	PIA
31 Aug - 06 Sep	China Southern
31 Aug - 03 Sep	China Southern
08 Aug - 16 Aug	Fly Jinnah
01 Aug - 20 Aug	Fly Jinnah
09 Aug - 20 Aug	Air Arabia
09 Aug - 10 Sep	Air Arabia
12 Aug - 31 Aug	China Southern
20 Aug - 31 Aug	PIA
05 Aug - 12 Aug	China Southern
02 Aug - 16 Aug	Air Arabia
21 Aug - 24 Aug	China Southern
02 Aug - 09 Aug	Air Arabia
17 Aug - 06 Sep	China Southern
17 Aug - 07 Sep	China Southern
13 Aug - 07 Sep	Etihad Airways
15 Aug - 10 Sep	Etihad Airways
11 Aug - 05 Sep	Etihad Airways
13 Aug - 06 Sep	Etihad Airways
27 Aug - 10 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 490€

Return flights