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

Return flights

01 Jul - 07 Jul	Finnair
01 Jul - 08 Jul	Finnair
08 Jul - 15 Jul	Finnair
06 Jul - 20 Jul	Finnair
07 Jul - 22 Jul	Finnair
06 Jul - 29 Jul	Finnair
15 Jul - 05 Aug	Finnair
21 Jul - 28 Jul	Etihad Airways
03 Jul - 11 Jul	Finnair
21 Jul - 12 Aug	Etihad Airways
23 Jul - 12 Aug	Etihad Airways
22 Jul - 12 Aug	Etihad Airways
22 Jul - 11 Aug	Finnair
29 Jul - 05 Aug	Finnair
20 Jul - 28 Jul	Finnair
12 Jul - 19 Jul	Finnair
26 Jul - 05 Aug	Etihad Airways
26 Jul - 10 Aug	Etihad Airways
22 Jul - 13 Aug	TAP
19 Jul - 05 Aug	Finnair

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

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 Lisbon to Seoul in July from 705€

Return flights