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

Return flights

05 Jul - 13 Jul	Japan Airlines
07 Jul - 14 Jul	Japan Airlines
08 Jul - 15 Jul	Japan Airlines
03 Jul - 08 Jul	Japan Airlines
03 Jul - 12 Jul	Japan Airlines
13 Jul - 20 Jul	Japan Airlines
10 Jul - 24 Jul	Japan Airlines
22 Jul - 26 Jul	Japan Airlines
24 Jul - 28 Jul	Japan Airlines
11 Jul - 18 Jul	Japan Airlines
30 Jul - 04 Aug	Japan Airlines
21 Jul - 12 Aug	Japan Airlines
22 Jul - 13 Aug	Japan Airlines
24 Jul - 02 Aug	Japan Airlines
29 Jul - 15 Aug	Japan Airlines
26 Jul - 02 Aug	Japan Airlines
29 Jul - 09 Aug	Japan Airlines
29 Jul - 03 Aug	Japan 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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Seoul to Lisbon in July from $2168

Return flights