The cheapest flight to Vienna you can get by boooking 17 days before departure.
The most popular airlines on the route Milan - Vienna: Lufthansa (LH), Austrian (OS), Germanwings (4U).
The cheapest flights you can book on the route Malpensa (MXP) - Schwechat (VIE).
Direct flights last about 1h 30min.
Direct flights available 2 days a week - Monday, Thursday.
Direct flights: Austrian (OS).