London→PortlandNonstop Flight TimeLHR–PDX

London (London Heathrow Airport) to Portland (Portland International Airport).

Direct flights from LHR to PDX have an estimated flight time of about 10h 42m, based on the 4,900-mile great-circle distance. Our current captured departure sample includes 1/day across 1 captured airline, with British Airways appearing most often in that sample. Captured departure times run from 15:40 to 15:40 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for LHR to PDX, last seen June 15, 2026. Frequency uses 7 scheduled departures across 7 observed days; 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.