Every Madrid–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/madrid-to-buenos-aires/#2026-11-17-2026-11-23-AChttps://flight.deals/flights/madrid-to-buenos-aires/#2026-11-17-2026-11-23-ACMAD → EZE round-trip on Air Canada, 2026-11-17 to 2026-11-23 (6 nights). Cached fare $852 vs typical $995.Sat, 22 Aug 2026 05:56:42 GMT