This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $257 fare is the cheapest current round-trip from Buenos Aires (EZE) to RIO on JA flight JA3817, departing 2026-10-01 at 12:54 with return on 2026-10-05.

Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.