China Eastern Airlines to Launch World’s Longest Direct Flight from Shanghai to Buenos Aires

SHANGHAI – September 23, 2025: China Eastern Airlines has announced a groundbreaking new route that will become the world’s longest direct flight, connecting Shanghai, China, to Buenos Aires, Argentina.

Flight Details

• Distance: 12,229 miles (19,650 kilometers)

• Launch Date: December 4, 2025

• Frequency: Twice weekly in each direction

• Flight Numbers: MU745 (Shanghai → Buenos Aires) and MU746 (Buenos Aires → Shanghai)

• Aircraft: Boeing 777-300ER

• Duration: About 25.5 hours from Shanghai to Buenos Aires; 29 hours on the return flight

• Stopover: Two-hour technical stop in Auckland, New Zealand (passengers remain onboard)

Ticket Pricing

• Economy Class: $1,538–$2,270 USD

• Business Class: Starting at $5,000 USD

Significance

This route marks China Eastern Airlines’ first direct link to South America, eliminating the need for stopovers in the US or Europe. It is expected to boost tourism, business travel, and cultural exchange between Asia and South America.

The current ultra-long-haul record, a 19-hour Singapore–New York flight, underscores the increasing capability of airlines to operate extended nonstop services.

Tickets for the Shanghai–Buenos Aires flight are now available via China Eastern Airlines’ official channels. Passengers are advised to check schedules and policies before booking.