Cheapest return flights from Lisbon to Seoul in May from $644

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

Return flights

11 May - 25 May easyJet
20 May - 27 May LOT
17 May - 03 Jun LOT
10 May - 24 May Vueling Airlines
05 May - 19 May Finnair
19 May - 26 May Finnair
19 May - 02 Jun Finnair
18 May - 16 Jun LOT
13 May - 27 May LOT
27 May - 17 Jun LOT
20 May - 31 May Finnair
06 May - 20 May Lufthansa
13 May - 17 May Finnair
29 May - 04 Jun Air France
12 May - 22 May Finnair
15 May - 01 Jun LOT
31 May - 19 Jun Finnair
29 May - 14 Jun Turkish Airlines
22 May - 14 Jun Finnair

Also check the deals for one-way flights from Lisbon to Seoul in May.

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