Yes, there are multiple flights from Peretola to Changi Intl for under S$ 928. The cheapest flight booked recently is on Air France for just S$ 871, but on average you can expect to pay S$ 1,034.
There are no direct flights from Peretola to Changi Intl, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
In Florence, there will be greater rainfall in Florence compared to Singapore City Airport over the next 11 days.
You can imagine temperatures to be in the 33 °C range in April. The weather in Singapore City Airport is generally hotter than Florence's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.
There are many flights that can get you from Peretola to Changi Intl in 15h 55m. Fly via KLM or Air France to get the fastest option. This flight may include one or multiple stops.
Flying on Air France is currently your cheapest option to Changi Intl, with prices starting at S$ 871. Another option worth looking into is KLM, starting at S$ 874 return. Users have found that Air France is 7% cheaper than the other options available to this destination.