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

Return flights

21 May - 18 Jun	Air France
12 May - 26 May	Finnair
11 May - 26 May	LOT
12 May - 30 May	Finnair
26 May - 11 Jun	Finnair
18 May - 31 May	Finnair
04 May - 24 May	Finnair
07 May - 30 May	Finnair
05 May - 12 May	Finnair
07 May - 19 May	LOT
18 May - 27 May	Finnair
18 May - 01 Jun	LOT
18 May - 08 Jun	LOT
25 May - 13 Jun	LOT
04 May - 01 Jun	LOT
20 May - 10 Jun	LOT
20 May - 20 Jun	LOT
04 May - 11 May	Finnair
21 May - 04 Jun	Finnair
29 May - 11 Jun	Finnair

Also check the deals for one-way flights from Paris 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 Paris to Seoul in May from 564€

Return flights