SEE SINGAPORE IN UNDER 3 HOURS You may just be passing through this tiny island-state, but you can still discover Singapore’s sights and sounds, and rich heritage on a Free Singapore Tour. If you have at least 5.5 hours to 24 hours to spare till your connecting flight, join one of our free 2.5-hour guided tours. The Heritage Tour runs five times daily and the City Sights Tour runs twice daily. Each tour includes two short stopovers at famous landmarks. If you have more time to spare, or have a long layover, you may want to consider a Changi Stopovers package instead, and take your time to discover this beautiful island.