London→Buenos AiresNonstop Flight TimeLHR–EZE

London (London Heathrow Airport) to Buenos Aires (Ministro Pistarini International Airport).

Direct flights from LHR to EZE have an estimated flight time of about 14h 52m, based on the 6,920-mile great-circle distance. Our current captured departure sample includes weekly across 1 captured airline, with British Airways appearing most often in that sample. Captured departure times run from 21:45 to 21:45 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for LHR to EZE, last seen June 15, 2026. Frequency uses 1 scheduled departures across 1 observed day; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.