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

Return flights

01 Dec - 10 Dec	Etihad Airways
01 Dec - 06 Dec	Etihad Airways
01 Dec - 07 Dec	Etihad Airways
03 Dec - 10 Dec	Etihad Airways
02 Dec - 09 Dec	Emirates
31 Dec - 17 Jan	Emirates
29 Dec - 04 Jan	Hahn Air Technologies
08 Dec - 15 Dec	Etihad Airways
09 Dec - 15 Dec	Etihad Airways
29 Dec - 15 Jan	Emirates
08 Dec - 02 Jan	Etihad Airways
08 Dec - 05 Jan	Etihad Airways
27 Dec - 03 Jan	Etihad Airways
01 Dec - 15 Dec	Etihad Airways
01 Dec - 28 Jan	Emirates
20 Dec - 31 Dec	Fly Jinnah
13 Dec - 10 Jan	Thai Airways	direct
22 Dec - 15 Jan	Etihad Airways
15 Dec - 22 Dec	Emirates
31 Dec - 10 Jan	Etihad Airways

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

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 December from $663

Return flights