Williamsport Regional Airport (IATA: IPT, ICAO: KIPT, FAA LID: IPT) serves Williamsport, Pennsylvania, and the surrounding area with a population of roughly 200,000. The airport processes approximately 40,000 passengers annually and has served north central Pennsylvania since 1929.

Located five miles east of Williamsport, in Lycoming County, Pennsylvania, this airport has two runways, 9/27 and 12/30, both asphalt. One passenger airline operates Embraer 145s while FedEx Feeder flies freight out of Williamsport Regional Airport. The airport is home to Energy Aviation LLC that provides general aviation services and is the operator of its terminal, commonly known in aviation parlance as a fixed-base operator (FBO).

Federal Aviation Administration reported 23,901 passenger boardings (enplanements) in calendar year 2008, 19,834 in 2009 and 22,519 in 2010. The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a primary commercial service airport (more than 10,000 enplanements per year).

In 2016 county, state and federal officials okayed a plan for over $75 million of improvements to the airport including airfield and building improvements. In late 2017 the airport began work on a brand new terminal building with seating for 150, limited food options, updated security features and a passenger loading bridge.