AirHint found the following cheapest one-way flights from Seoul (ICN) to Asuncion (ASU) in December 2025 (see full year).
One-Way flights
| 09 Dec | T'way Air | ||
| 10 Dec | Air Premia | ||
| 03 Dec | Air Premia | ||
| 12 Dec | Air Premia | ||
| 11 Dec | Korean Air |
Also check the deals for return flights from Seoul to Asuncion in December.
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