i arrive in athens on may 7 around 230 can i still see sites at night? i have to be in milan for my flight back to the states may 12 1130pm, can i make a side trip to santorini? will i have time to fly there and still see sites in santorini?or should i spend the whole time in athens? wanted to see the volcano and hot springs in santorini...is there enough time? im only finding flights from athens to milan on may 11 latest 230pm or may 12 830am... need help!