From the Colosseum to the Duomo di Milano to the Trevi Fountain, there are so many sites to see in Italy that it’s almost impossible to do it all in one trip. At the same time, a trip to Italy is pricey. Flight tickets to Italian cities from the U.S. often cost between $900 to $1,000 round trip. Such expensive fares can make visiting the country feel out of reach. Flights to Milan are part of this fare deal. CLINT HENDERSON/THE POINTS GUY However, a trip to Italy doesn’t have to cost an arm and a leg with this deal: Round-trip fares to multiple Italian cities start as low as…