AirHint found the following cheapest return flights from Seoul (ICN) to Bandar Seri Begawan (BWN) in January 2026 (see full year).

Return flights

21 Jan - 24 Jan	Singapore Airlines
28 Jan - 31 Jan	Singapore Airlines
28 Jan - 10 Feb	Singapore Airlines
28 Jan - 07 Feb	AirAsia X
13 Jan - 24 Jan	AirAsia X
21 Jan - 07 Feb	AirAsia X
13 Jan - 31 Jan	AirAsia X
21 Jan - 31 Jan	AirAsia X
21 Jan - 24 Jan	Royal Brunei	direct
28 Jan - 31 Jan	Royal Brunei	direct
28 Jan - 10 Feb	Royal Brunei	direct
21 Jan - 10 Feb	AirAsia X
28 Jan - 14 Feb	AirAsia X
28 Jan - 17 Feb	AirAsia X
28 Jan - 18 Feb	AirAsia X

Also check the deals for one-way flights from Seoul to Bandar Seri Begawan 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 Seoul to Bandar Seri Begawan in January from 302€

Return flights