Milan /Atalanta

Hi ,
Im planning to bring my son to watch the Atalanta game at the San Siro..we are travelling from England and its the first time in Milan...Is it easy to get from the Milan Malpensa Airport to San Siro ? Its a birthday present but its getting very expensive anybody know of any reasonable priced hotels in the city near San Siro....would be well appreciated if anyone can help ? Thank you...