FLIGHT TIME / CALCULATED ESTIMATE
Singapore ↗ Seattle
SIN / Singapore Changi AirportSEA / Seattle–Tacoma International Airport
MODELLED FLYING TIME16h 13mIllustrative estimate, not a scheduled flight
GREAT-CIRCLE DISTANCE12,979 kmGeographic straight-line distance
ROUTE CATEGORYInternationalOrigin and destination country records
How long is the flight?
The calculated airborne flight-time estimate between Singapore (SIN) and Seattle (SEA) is approximately 16 hours and 13 minutes for a modelled route length of 12,979 km.
This is not a confirmed nonstop service or published airline schedule. Airlines can use different paths, and connection time, taxiing, winds, weather, airspace restrictions and operational delays can change the actual journey.
Reference coordinates
Departure: Singapore Changi Airport. Arrival: Seattle–Tacoma International Airport. Both airport-code and coordinate records are drawn from the site’s imported aviation dataset, with initial curated data used until refreshed.