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

Return flights

04 Dec - 11 Dec	Qatar Airways
22 Dec - 24 Dec	Etihad Airways
23 Dec - 25 Dec	Etihad Airways
21 Dec - 25 Dec	Oman Air
12 Dec - 20 Dec	Air Arabia
04 Dec - 11 Dec	Thai Airways	direct
12 Dec - 20 Dec	Thai Airways	direct
25 Dec - 10 Jan	Thai Airways	direct
21 Dec - 25 Dec	Thai Airways	direct
23 Dec - 25 Dec	Thai Airways	direct
27 Dec - 29 Dec	Thai Airways
21 Dec - 09 Jan	AirAsia X
24 Dec - 09 Jan	AirAsia X

Also check the deals for one-way flights from Karachi 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 Karachi to Bangkok in December from $617

Return flights