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

Return flights

20 May - 28 May	Scandinavian Airlines
19 May - 28 May	Scandinavian Airlines
17 May - 28 May	Scandinavian Airlines
10 May - 18 May	Scandinavian Airlines
27 May - 08 Jun	Scandinavian Airlines
05 May - 20 May	LOT
11 May - 23 May	LOT
04 May - 18 May	LOT
12 May - 25 May	LOT
12 May - 23 May	LOT
10 May - 25 May	LOT
18 May - 01 Jun	LOT
07 May - 04 Jun	LOT
14 May - 04 Jun	LOT
30 May - 21 Jun	LOT
28 May - 30 Jun	LOT
27 May - 03 Jun	LOT
26 May - 10 Jun	LOT
25 May - 07 Jun	LOT
20 May - 10 Jun	LOT

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 $653

Return flights