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

Return flights

02 Jul - 05 Jul	LOT
07 Jul - 14 Jul	Finnair
06 Jul - 13 Jul	Finnair
06 Jul - 16 Jul	Finnair
01 Jul - 05 Jul	LOT
06 Jul - 15 Jul	LOT
08 Jul - 15 Jul	Finnair
27 Jul - 11 Aug	LOT
03 Jul - 13 Jul	Finnair
01 Jul - 15 Jul	Finnair
07 Jul - 13 Jul	Finnair
27 Jul - 13 Aug	Finnair
28 Jul - 04 Aug	Finnair
29 Jul - 05 Aug	Finnair
27 Jul - 01 Aug	Finnair
29 Jul - 07 Aug	Air France
29 Jul - 14 Aug	Finnair
28 Jul - 14 Aug	LOT
24 Jul - 01 Aug	Turkish Airlines
31 Jul - 07 Aug	Turkish Airlines

Also check the deals for one-way flights from Seoul to Lisbon 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 Seoul to Lisbon in July from 720€

Return flights