Buenos Aires (EZE) to Barcelona (BCN): 6,513 miles (10,481 km) great-circle, about 13h 30m nonstop by our estimate. Cheapest fare observed: $1243 round-trip on Avianca, with 1 stop, departing June 9, 2026.
$1243 round-trip, Avianca AV88, departing 2026-06-09 at 07:10, returning 2026-06-18. The recorded itinerary left on a Tuesday, returning on a Thursday 9 nights later; the fare was observed 45 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1243, it ranked 21st of the 30 round-trip fares we recorded from EZE (median $530). That is 19.1 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: Madrid (6,268 mi) at $1204 and Lisbon (5,986 mi) at $1476.
EZE to BCN is the only one of 30 EZE routes where Avianca priced cheapest. It is the 9th longest of the 30 routes we track from EZE.
Of 57 departure airports with a fare to Barcelona, Buenos Aires (EZE) ranked 54th at $1243. Lowest: $44 from Milan (MXP); highest: $1401 from Brisbane (BNE); 28 nonstop. Cheapest-fare airlines (routes): Vueling (11), Wizz Air (10), Ryanair (8), Air Canada (4), Air Europa (3) and Wizz Air Malta (3), plus 18 more.
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.