AirHint found the following cheapest return flights from Asuncion (ASU) to San Jose (SJO) in January 2026 (see full year).
Return flights
| 01 Jan - 05 Feb | Copa | ||
| 01 Jan - 01 Feb | Copa | ||
| 01 Jan - 02 Feb | Copa | ||
| 15 Jan - 31 Jan | LATAM Airlines Group | ||
| 10 Jan - 27 Jan | Copa | ||
| 02 Jan - 09 Jan | Copa |
Also check the deals for one-way flights from Asuncion to San Jose in January.
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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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