Cheapest return flights from Lisbon to Seoul in December from $762

Best time to book flights for Lisbon (LIS) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Lisbon (LIS) to Seoul (ICN) in December 2025 (see full year).

Return flights

28 Dec - 24 Jan LOT
07 Dec - 12 Dec Qatar Airways
21 Dec - 28 Dec Finnair
31 Dec - 09 Jan Finnair
29 Dec - 07 Jan Finnair
21 Dec - 26 Dec Finnair
21 Dec - 28 Dec Korean Air direct
26 Dec - 03 Jan Finnair
24 Dec - 11 Jan Korean Air direct
22 Dec - 03 Jan Finnair
07 Dec - 12 Dec Korean Air direct

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

Skyscanner

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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