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

Return flights

20 Apr - 11 May	Ryanair
29 Apr - 18 May	Ryanair
06 Apr - 23 Apr	Air China
30 Apr - 19 May	Air India
16 Apr - 22 Apr	Condor
09 Apr - 16 Apr	Air China
07 Apr - 20 Apr	Air China
20 Apr - 09 May	Air China
26 Apr - 24 May	Air China
19 Apr - 07 May	Air China
13 Apr - 11 May	Air China
27 Apr - 14 May	Air China
27 Apr - 13 May	Air China
23 Apr - 11 May	Air China
13 Apr - 20 Apr	Air China
10 Apr - 20 Apr	Air China
06 Apr - 13 Apr	Air China
09 Apr - 23 Apr	Ryanair
13 Apr - 23 Apr	Ryanair
08 Apr - 28 Apr	Ryanair

Also check the deals for one-way flights from Frankfurt to Seoul in April.

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 April from 515€

Return flights