AirHint found the following cheapest return flights from Sihanoukville (KOS) to Bangkok (BKK) in January 2026 (see full year).

Return flights

22 Jan - 02 Feb	AirAsia Cambodia
13 Jan - 15 Jan	AirAsia Cambodia
27 Jan - 02 Feb	AirAsia Cambodia
13 Jan - 02 Feb	AirAsia Cambodia
15 Jan - 02 Feb	AirAsia Cambodia
21 Jan - 28 Jan	Air Cambodia
14 Jan - 15 Jan	AirAsia
14 Jan - 02 Feb	AirAsia
22 Jan - 05 Feb	AirAsia Cambodia
22 Jan - 07 Feb	AirAsia Cambodia
18 Jan - 02 Feb	AirAsia
21 Jan - 02 Feb	AirAsia
28 Jan - 02 Feb	AirAsia
13 Jan - 20 Jan	AirAsia Cambodia
15 Jan - 20 Jan	AirAsia Cambodia
13 Jan - 21 Jan	AirAsia Cambodia
14 Jan - 20 Jan	AirAsia
14 Jan - 21 Jan	AirAsia
15 Jan - 21 Jan	AirAsia Cambodia
18 Jan - 20 Jan	AirAsia

Also check the deals for one-way flights from Sihanoukville to Bangkok in January.

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 Sihanoukville to Bangkok in January from 289€

Return flights