Buenos Aires (EZE) to Asuncion (ASU): 665 miles (1,070 km) great-circle, about 1h 50m nonstop by our estimate. Cheapest fare observed: $575 round-trip on Boliviana de Aviacion, with 1 stop, departing May 2, 2026.
$575 round-trip, Boliviana de Aviacion OB701, departing 2026-05-02 at 02:30, returning 2026-05-13. The recorded itinerary left on a Saturday, returning on a Wednesday 11 nights later; the fare was observed 7 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $575, it ranked 16th of the 30 round-trip fares we recorded from EZE (median $530). That is 86.5 cents per great-circle mile (round-trip price over one-way distance), above the EZE median of 21.8 cents across 30 round-trip routes.
Routes from EZE of similar length: Puerto Iguazu (673 mi) at $88 and Santiago (707 mi) at $230.
EZE to ASU is the only one of 30 EZE routes where Boliviana de Aviacion priced cheapest. It is the 27th longest of the 30 routes we track from EZE.
Of 6 departure airports with a fare to Asuncion, Buenos Aires (EZE) ranked 4th at $575. Lowest: $213 from Rio de Janeiro (GIG); highest: $1791 from Addis Ababa (ADD); 2 nonstop. Cheapest-fare airlines (routes): Boliviana de Aviacion (1), Copa (1), Ethiopian (1), GOL (1), JetSMART (1) and Porter Airlines (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Argentina/Buenos_Aires, America/Asuncion; flight time is our estimate.