AirHint found the following cheapest one-way flights from Seoul (GMP) to Lisbon (LIS) in May 2026 (see full year).
One-Way flights
| 31 May | China Southern | ||
| 10 May | China Southern | ||
| 12 May | EVA Air | ||
| 06 May | Korean Air | ||
| 14 May | Japan Airlines | ||
| 16 May | Japan Airlines | ||
| 13 May | Japan Airlines | ||
| 15 May | EVA Air | ||
| 19 May | Japan Airlines | ||
| 23 May | EVA Air |
Also check the deals for return flights from Seoul to Lisbon in May.
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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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