AirHint found the following cheapest return flights from Asuncion (ASU) to San Jose (SJO) in January 2026 (see full year).
Return flights
| 21 Jan - 04 Feb | Copa | ||
| 10 Jan - 20 Jan | Copa | ||
| 15 Jan - 22 Jan | Copa | ||
| 22 Jan - 20 Feb | LATAM Airlines Group |
Also check the deals for one-way flights from Asuncion to San Jose in January.
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