The cheapest flight to Milan you can get by boooking 26 days before departure.
The most popular airlines on the route Oslo - Milan: Ryanair (FR), Brussels Airlines (SN), SAS (SK).
The cheapest flights you can book on the route Gardermoen (OSL) - Malpensa (MXP).
Direct flights last about 2h 25min.
Direct flights available 5 days a week - Tuesday, Wednesday, Thursday, Saturday, Sunday.
Direct flights: Ryanair (FR), SAS (SK).