Cheapest one-way flights from Asuncion to San Juan in October from $410

Best time to book flights for Asuncion (ASU) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest one-way flights from Asuncion (ASU) to San Juan (SJU) in October 2025 (see full year).

One-Way flights

31 Oct Copa
30 Oct Copa

Also check the deals for return flights from Asuncion to San Juan in October.

Skyscanner

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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