Buenos Aires (EZE) to Miami (MIA): 4,424 miles (7,119 km) great-circle, about 9h 20m nonstop by our estimate. Cheapest fare observed: $615 round-trip on Sky Airline, with 1 stop, departing June 6, 2026.
$615 round-trip, Sky Airline H25800, departing 2026-06-06 at 05:00, returning 2026-06-21. The recorded itinerary left on a Saturday, returning on a Sunday 15 nights later; the fare was observed 42 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $615, it ranked 18th of the 30 round-trip fares we recorded from EZE (median $530). That is 13.9 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: Punta Cana (3,745 mi) at $695 and Lisbon (5,986 mi) at $1476.
Sky Airline had the cheapest fare on 2 of 30 EZE routes. It is the 12th longest of the 30 routes we track from EZE.
Of 30 departure airports with a fare to Miami, Buenos Aires (EZE) ranked 28th at $615. Lowest: $72 from Atlanta (ATL); highest: $1627 from Wellington (WLG); 10 nonstop. Cheapest-fare airlines (routes): Frontier (13), Spirit (4), Southwest (3), American Airlines (2), Arajet (2) and Avianca (1), plus 5 more.
The reverse, Miami (MIA) to Buenos Aires (BUE), was $575 round-trip on Arajet, 1 stop, departing June 5, 2026. Miami to Buenos Aires flights.
That depends on your passport and trip, so check the official source for United States: U.S. Customs and Border Protection: international visitors. 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, America/New_York; flight time is our estimate.