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

Return flights

03 Jul - 08 Jul	Air France
06 Jul - 24 Jul	Air France
13 Jul - 24 Jul	Air France
21 Jul - 28 Jul	Lufthansa
22 Jul - 29 Jul	Lufthansa
22 Jul - 26 Jul	Lufthansa
07 Jul - 14 Jul	Lufthansa
03 Jul - 10 Jul	Air France
28 Jul - 30 Jul	Lufthansa
23 Jul - 30 Jul	Lufthansa
17 Jul - 17 Aug	Finnair
19 Jul - 19 Aug	Lufthansa
28 Jul - 04 Aug	Lufthansa
29 Jul - 05 Aug	Finnair
29 Jul - 05 Aug	Korean Air	direct
30 Jul - 08 Aug	Lufthansa
31 Jul - 09 Aug	Finnair
31 Jul - 09 Aug	Korean Air	direct
27 Jul - 08 Aug	Lufthansa
26 Jul - 09 Aug	Lufthansa

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 $750

Return flights