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

Return flights

06 Apr - 22 Apr	LOT
06 Apr - 18 Apr	LOT
07 Apr - 07 May	Lufthansa
09 Apr - 23 Apr	Lufthansa
09 Apr - 16 Apr	Lufthansa
24 Apr - 09 May	Vueling Airlines
10 Apr - 20 Apr	LOT
19 Apr - 08 May	Lufthansa
12 Apr - 24 Apr	Turkish Airlines
06 Apr - 16 Apr	Lufthansa
03 Apr - 17 Apr	Turkish Airlines
03 Apr - 16 Apr	Aer Lingus

Also check the deals for one-way flights from Lyon 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 Lyon to Seoul in April from $851

Return flights