PHILADELPHIA. May 21, 2026 — Allegiant (NASDAQ: ALGT) today begins service from Philadelphia International Airport (PHL) in Pennsylvania to three new destinations. To celebrate, the company is offering one-way fares on the new routes as low as $39.*

The City of Philadelphia Department of Aviation has been awarded a $17.568 million Federal Aviation Administration (FAA) Fiscal Year 2026 Airport Terminal Program (ATP) grant to support Philadelphia International Airport’s (PHL) Terminal D/E Baggage Makeup Expansion Project.  The FAA’s Airport Terminal Program is part of the Bipartisan Infrastructure