AirHint found the following cheapest return flights from Tokyo (HND) to Busan (PUS) in January 2026 (see full year).

Return flights

06 Jan - 21 Jan	Peach
06 Jan - 19 Jan	Air China
11 Jan - 15 Jan	Air China
10 Jan - 15 Jan	Air China
05 Jan - 08 Jan	ANA
31 Jan - 04 Feb	ANA
06 Jan - 08 Jan	Air China
17 Jan - 19 Jan	Air China
17 Jan - 20 Jan	Solaseed Air
13 Jan - 19 Jan	Air China
10 Jan - 12 Jan	Air China
29 Jan - 05 Feb	Korean Air
28 Jan - 04 Feb	Korean Air
31 Jan - 03 Feb	Korean Air
29 Jan - 01 Feb	Korean Air
30 Jan - 01 Feb	Korean Air

Also check the deals for one-way flights from Tokyo to Busan 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 Tokyo to Busan in January from $312

Return flights