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

Return flights

07 Apr - 13 Apr	Air China
28 Apr - 19 May	Air India
06 Apr - 16 Apr	Air China
09 Apr - 20 Apr	Air China
19 Apr - 07 May	Air China
13 Apr - 20 Apr	Air China
06 Apr - 13 Apr	Air China
16 Apr - 02 May	Air China
27 Apr - 11 May	Air China
30 Apr - 19 May	Air India
06 Apr - 02 May	Air China
30 Apr - 26 May	Air India
10 Apr - 23 Apr	Air China
24 Apr - 16 May	Air China
08 Apr - 13 Apr	Air China
06 Apr - 23 Apr	Air China
08 Apr - 23 Apr	Air China
07 Apr - 23 Apr	Air China
22 Apr - 06 May	Air China
16 Apr - 22 May	Air China

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 $650

Return flights