Find the cheapest Singapore Airlines flights on Expedia from Osaka (OSA) to Siem Reap Angkor Intl. Airport (SAI). Flight ticket prices change frequently based on availability and demand. We send price-drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia with Singapore Airlines for this route in the past 7 days starts at S$533 for travel on 28 September 2027.
Prices were available within the past 7 days and start at S$533 for one-way flights and S$935 for return, for the period specified. Prices and availability are subject to change.