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

Return flights

01 Jul - 08 Jul	Finnair
06 Jul - 29 Jul	Finnair
07 Jul - 29 Jul	Finnair
12 Jul - 17 Jul	Finnair
12 Jul - 22 Jul	Finnair
19 Jul - 29 Jul	Etihad Airways
20 Jul - 28 Jul	Finnair
22 Jul - 05 Aug	Finnair
08 Jul - 28 Jul	Wizz Air
29 Jul - 24 Aug	Finnair
15 Jul - 31 Jul	Finnair
08 Jul - 31 Jul	Finnair
30 Jul - 22 Aug	Ryanair
31 Jul - 26 Aug	Finnair
29 Jul - 19 Aug	Wizz Air
31 Jul - 23 Aug	Finnair
22 Jul - 05 Aug	Korean Air	direct

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 $867

Return flights