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

Return flights

24 Aug - 31 Aug	China Southern
24 Aug - 25 Aug	China Southern
21 Aug - 28 Aug	China Southern
22 Aug - 29 Aug	AirAsia
22 Aug - 23 Aug	AirAsia
25 Aug - 10 Sep	Thai Airways	direct
21 Aug - 26 Aug	China Southern
22 Aug - 29 Aug	Thai Airways	direct
22 Aug - 27 Aug	Thai Airways	direct
22 Aug - 23 Aug	Thai Airways	direct
18 Aug - 30 Aug	Qatar Airways

Also check the deals for one-way flights from Bangkok to Islamabad 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 Bangkok to Islamabad in August from 551€

Return flights