The cheapest Rome to Singapore return flight on the radar right now is €464, flying with Finnair via one or more connections. It covers departures in May 2027, and every dated link below opens that exact FCO–SIN search on Skyscanner. The price we usually record on this route is €512. Across 92 recorded checks it has ranged between €454 and €1,011. Our sampling points to May 2027 as the cheapest month to fly Rome to Singapore.
Every fare here is re-confirmed against Skyscanner automatically, and each one is stamped with the moment it was last checked, so you can see how fresh it is instead of taking it on trust. Not flying from Rome? We track 61 other departure cities for Singapore, listed at the foot of this page.
Fares move quickly. If this Rome to Singapore price has gone by the time you search, shift the dates a day or two either side, because the same route is often still cheap just next door.