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

Return flights

07 Apr - 21 Apr	Finnair
06 Apr - 22 Apr	Finnair
20 Apr - 30 Apr	Finnair
13 Apr - 29 Apr	Finnair
20 Apr - 10 May	Finnair
20 Apr - 03 May	Finnair
28 Apr - 09 May	Finnair
28 Apr - 16 May	Finnair
27 Apr - 10 May	Finnair
27 Apr - 06 May	Finnair
12 Apr - 23 Apr	Finnair
01 Apr - 15 Apr	Finnair
13 Apr - 19 Apr	Finnair
13 Apr - 27 Apr	Finnair
06 Apr - 20 Apr	Finnair
13 Apr - 20 Apr	Finnair
30 Apr - 17 May	Finnair
23 Apr - 09 May	Finnair
15 Apr - 25 May	Finnair
29 Apr - 16 May	Finnair

Also check the deals for one-way flights from Paris 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 Paris to Seoul in April from 584€

Return flights