To get to Sienna from Monza you can take a flight from Milan Linate Airport, which is the closest airport to Monza, and arrive at Florence Airport, Peretola, the airport the best serves Sienna. The average price for a Monza to Sienna flight is 1330€, but you can find low cost flights as well, with prices starting from 270€. Getting from Monza to Sienna by flight takes about 3 hours on average; however, you need to consider the time to get to the airport and pass the security checks. You can count on 35 daily connections between Monza and Sienna provided by KLM, SWISS, and Air Dolomiti. Florence Airport, Peretola is the closest airport to Sienna and is 88.5 kilometers away from the city center; you can get to Sienna in about 2 hours thanks to airport shuttles from Florence Airport, Peretola to Sienna.