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

Return flights

02 Jul - 10 Jul	PIA
03 Jul - 13 Jul	China Southern
02 Jul - 07 Jul	Fly Jinnah
01 Jul - 06 Jul	China Southern
07 Jul - 15 Jul	Fly Jinnah
08 Jul - 09 Aug	China Southern
22 Jul - 29 Jul	China Southern
17 Jul - 21 Jul	China Southern
10 Jul - 17 Jul	China Southern
13 Jul - 20 Jul	China Southern
03 Jul - 21 Jul	China Southern
04 Jul - 02 Aug	PIA
18 Jul - 01 Aug	Thai Airways	direct
25 Jul - 01 Aug	Thai Airways	direct
07 Jul - 08 Aug	Thai Airways	direct
04 Jul - 02 Aug	Thai Airways	direct

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

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 July from $589

Return flights