Eleven miles southwest of downtown, Cleveland Hopkins International Airport is linked by the Red Line train ($2.25). A cab to downtown costs about $35.
From downtown, Greyhound offers frequent departures to Chicago (7½ hours) and New York City (13 hours).
The Regional Transit Authority operates the Red Line train that goes to both the airport and Ohio City. It also runs the HealthLine bus that motors along Euclid Ave from downtown to University Circle's museums. Day …
The airport is 10 miles east of town. A cab to downtown costs about $25.
Greyhound buses run at least six times daily to Cincinnati (two hours) and Cleveland (2½ hours).
The Cincinnati/Northern Kentucky International Airport is actually in Kentucky, 13 miles south.
Greyhound buses travel daily to Indianapolis (2½ hours) and Columbus (two hours).
Amtrak choo-choos into Union Terminal thrice weekly en route to Chicago (9½ hours) and Washington, DC (14½ hours), departing in the middle of the night.
Megabus goes to Chicago, often for lower fares that its competitors; check the website for the curbside departure point.