- SPB airport, also known as St. Petersburg-Clearwater International Airport, is a public airport located in Pinellas County, Florida, United States. It is situated about 9 miles north of downtown St. Petersburg and 21 miles southwest of downtown Tampa. The airport serves as a hub for low-cost carriers and primarily handles domestic flights, although there are some international destinations as well. It offers a variety of amenities for passengers, including dining options, retail shops, and car rental services. The airport has two runways and a single terminal building. Overall, SPB airport provides convenient access to the St. Petersburg-Clearwater area and the greater Tampa Bay region.