Every São Paulo–Buenos Aires fare we track, measured against the route's typical price whenever there is enough cached history to build one. Subscribe in any RSS reader for free single-route price alerts — no account, no email needed.https://flight.dealsen-ushttps://flight.deals/flights/sao-paulo-to-buenos-aires/#2026-09-11-2026-09-17-EThttps://flight.deals/flights/sao-paulo-to-buenos-aires/#2026-09-11-2026-09-17-ETSAO → EZE round-trip on Ethiopian, 2026-09-11 to 2026-09-17 (6 nights). Cached fare $258 vs typical $400.Tue, 01 Sep 2026 12:09:07 GMT