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

Return flights

11 May - 23 May	Ryanair
23 May - 05 Jun	Ryanair
24 May - 10 Jun	Ryanair
21 May - 04 Jun	Ryanair
01 May - 15 May	Ryanair
03 May - 29 May	Ryanair
08 May - 22 May	Ryanair
24 May - 07 Jun	Ryanair
10 May - 28 May	Ryanair
07 May - 29 May	Ryanair
03 May - 17 May	Ryanair
01 May - 17 May	Ryanair
01 May - 12 May	Fly One
22 May - 05 Jun	Ryanair
11 May - 24 May	Ryanair
22 May - 07 Jun	Ryanair

Also check the deals for one-way flights from Hahn to Seoul in May.

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Hahn to Seoul in May from 714€

Return flights