Buenos Aires (EZE) to Shanghai (SHA): 12,186 miles (19,612 km) great-circle, about 24h 50m nonstop by our estimate. Cheapest fare observed: $1810 round-trip on China Eastern, nonstop, departing July 3, 2026.
$1810 round-trip, China Eastern MU746, departing 2026-07-03 at 02:15, returning 2026-08-17. The recorded itinerary left on a Friday, returning on a Monday 45 nights later; the fare was observed 69 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1810, it ranked 26th of the 30 round-trip fares we recorded from EZE (median $530). That is 14.9 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: Dubai (8,498 mi) at $1494 and Tbilisi (8,396 mi) at $2100.
EZE to SHA is the only one of 30 EZE routes where China Eastern priced cheapest. It is the longest of the 30 routes we track from EZE.
Of 32 departure airports with a fare to Shanghai, Buenos Aires (EZE) ranked 32nd at $1810. Lowest: $183 from Seoul (ICN); highest: $1810 from Buenos Aires (EZE); 11 nonstop. Cheapest-fare airlines (routes): Spring Airlines (5), AirAsia (3), China Eastern (3), Air China (2), Qatar (2) and Xiamen Airlines (2), plus 15 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Argentina/Buenos_Aires, Asia/Shanghai; flight time is our estimate.