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

Return flights

31 Dec - 07 Jan	PIA
31 Dec - 05 Jan	Fly Jinnah
29 Dec - 05 Jan	Fly Jinnah
29 Dec - 14 Jan	Fly Jinnah
29 Dec - 13 Jan	Fly Jinnah
27 Dec - 30 Dec	Fly Jinnah
30 Dec - 10 Jan	Fly Jinnah
27 Dec - 10 Jan	Thai Airways	direct
31 Dec - 03 Jan	Fly Jinnah
30 Dec - 02 Jan	Fly Jinnah
29 Dec - 02 Jan	Fly Jinnah
28 Dec - 30 Dec	Fly Jinnah
27 Dec - 31 Dec	Fly Jinnah
29 Dec - 31 Dec	Fly Jinnah
29 Dec - 31 Dec	Thai Airways	direct
27 Dec - 31 Dec	Thai Airways	direct

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Islamabad to Bangkok in December from 674€

Return flights