AirHint found the following cheapest one-way flights from Seoul (ICN) to Lisbon (LIS) in April 2026 (see full year).
One-Way flights
| 02 Apr | China Eastern | ||
| 05 Apr | T'way Air | ||
| 25 Apr | China Eastern | ||
| 01 Apr | Lufthansa | ||
| 08 Apr | Air France | ||
| 18 Apr | LOT | ||
| 04 Apr | LOT | ||
| 20 Apr | Qatar Airways | ||
| 24 Apr | Qatar Airways | ||
| 16 Apr | Finnair |
Also check the deals for return flights from Seoul to Lisbon in April.
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