"See actual flight paths with flightpaths.com"
Weather, politics and local regulations can affect the choice of airspace and flight corridors. Flightpaths.com lets you see the real flight paths and compare passenger airlines and flight times simplified on an interactive map.
Flights from Seattle (SEA), USA to Singapore (SIN), Singapore illustrated on a map. Based on 78 recorded flights, the distance can vary between 8308 and 8627 miles.
Canada
Indonesia
Philippines
Singapore
Over water
Indonesia
Philippines
Over water
Singapore
Canada
You can also check the reverse route: Singapore to Seattle