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

Return flights

08 May - 21 May	Scandinavian Airlines
01 May - 16 May	Scandinavian Airlines
22 May - 30 May	Scandinavian Airlines
01 May - 20 May	Scandinavian Airlines
01 May - 09 May	Scandinavian Airlines
22 May - 31 May	LOT
05 May - 21 May	Finnair
11 May - 23 May	Finnair
06 May - 22 May	Finnair
09 May - 23 May	Finnair

Also check the deals for one-way flights from Frankfurt 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.

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Cheapest return flights from Frankfurt to Seoul in May from 648€

Return flights