AirHint found the following cheapest return flights from Hahn (HHN) to Seoul (ICN) in January 2026 (see full year).

Return flights

12 Jan - 18 Jan	Ryanair
24 Jan - 03 Feb	Ryanair
19 Jan - 29 Jan	Ryanair
07 Jan - 14 Jan	Ryanair
12 Jan - 31 Jan	Ryanair
23 Jan - 03 Feb	Ryanair
06 Jan - 31 Jan	Ryanair
05 Jan - 25 Jan	Ryanair
31 Jan - 27 Feb	Ryanair
10 Jan - 27 Feb	Ryanair
17 Jan - 31 Jan	Ryanair
18 Jan - 31 Jan	Ryanair
06 Jan - 18 Jan	Ryanair
04 Jan - 29 Jan	Ryanair
19 Jan - 01 Feb	Ryanair
21 Jan - 07 Feb	Ryanair
30 Jan - 20 Feb	Ryanair
17 Jan - 01 Feb	Ryanair

Also check the deals for one-way flights from Hahn to Seoul 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 Hahn to Seoul in January from 558€

Return flights