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

Return flights

01 Dec - 08 Dec	Fly Jinnah
08 Dec - 22 Dec	Fly Jinnah
05 Dec - 08 Dec	Fly Jinnah
06 Dec - 16 Dec	Fly Jinnah
15 Dec - 10 Jan	Fly Jinnah
08 Dec - 21 Dec	Fly Jinnah
02 Dec - 09 Dec	PIA
31 Dec - 08 Jan	PIA
03 Dec - 06 Dec	Fly Jinnah
01 Dec - 15 Dec	Fly Jinnah
11 Dec - 14 Dec	Fly Jinnah
04 Dec - 08 Dec	Fly Jinnah
20 Dec - 05 Jan	Fly Jinnah
24 Dec - 07 Jan	PIA
20 Dec - 04 Jan	Fly Jinnah
19 Dec - 01 Jan	Fly Jinnah
28 Dec - 04 Jan	PIA
24 Dec - 03 Jan	PIA
23 Dec - 06 Jan	Fly Jinnah
22 Dec - 03 Jan	SalamAir

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 $699

Return flights