Buenos Aires (EZE) to Madrid (MAD): 6,268 miles (10,087 km) great-circle, about 13h 00m nonstop by our estimate. Cheapest fare observed: $1204 round-trip on American Airlines, with 2 stops, departing July 6, 2026.
$1204 round-trip, American Airlines AA908, departing 2026-07-06 at 22:20, returning 2026-07-23. The recorded itinerary left on a Monday, returning on a Thursday 17 nights later; the fare was observed 72 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1204, it ranked 20th of the 30 round-trip fares we recorded from EZE (median $530). That is 19.2 cents per great-circle mile (round-trip price over one-way distance), below the EZE median of 21.8 cents across 30 round-trip routes.
Routes from EZE of similar length: Barcelona (6,513 mi) at $1243 and Lisbon (5,986 mi) at $1476.
EZE to MAD is the only one of 30 EZE routes where American Airlines priced cheapest. It is the 10th longest of the 30 routes we track from EZE.
Of 35 departure airports with a fare to Madrid, Buenos Aires (EZE) ranked 32nd at $1204. Lowest: $46 from Lisbon (LIS); highest: $1698 from Sydney (SYD); 13 nonstop. Cheapest-fare airlines (routes): United Airlines (4), Wizz Air (4), Air China (2), American Airlines (2), Ryanair (2) and TAP Portugal (2), plus 17 more.
The reverse, Madrid (MAD) to Buenos Aires (BUE), was $1193 round-trip on Turkish, 1 stop, departing June 5, 2026. Madrid to Buenos Aires flights.
That depends on your passport and trip, so check the official source for Spain: European Commission: Schengen visa policy. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Argentina/Buenos_Aires, Europe/Madrid; flight time is our estimate.