This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $1841 fare is the cheapest current round-trip from Buenos Aires (EZE) to LIS on LATAM flight LA543, departing 2026-07-20 at 12:15 with return on 2026-08-03.
Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.