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

Return flights

06 Jul - 19 Jul	LOT
03 Jul - 12 Jul	Finnair
06 Jul - 14 Jul	KLM
08 Jul - 15 Jul	Finnair
02 Jul - 13 Jul	Finnair
05 Jul - 12 Jul	Finnair
20 Jul - 02 Aug	LOT
10 Jul - 15 Jul	Finnair
12 Jul - 11 Aug	Air France
08 Jul - 22 Jul	Finnair
05 Jul - 29 Aug	KLM
06 Jul - 17 Jul	LOT
12 Jul - 19 Jul	Finnair
27 Jul - 05 Aug	LOT
31 Jul - 30 Aug	Finnair
29 Jul - 09 Aug	LOT
19 Jul - 09 Aug	Finnair
22 Jul - 02 Aug	LOT
22 Jul - 01 Aug	Finnair
25 Jul - 02 Aug	Finnair

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Seoul to Lisbon in July from $847

Return flights