This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $254 fare is the cheapest current round-trip from Buenos Aires (EZE) to NQN on Aerolineas Argentinas flight AR1638, departing 2026-07-04 at 07:40 with return on 2026-07-11.
Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.