Spirit Airlines is based at Newark Liberty International Airport (EWR), Terminal A. Most domestic flights, including those operated by budget airlines like Spirit, land at Terminal A. The terminal has undergone renovations and now features a number of amenities, such as shops, What Terminal is Spirit Airlines at EWR  lounges, and restaurants. Be sure to verify the most recent gate information before boarding a Spirit flight from EWR, as it is subject to change. It is advisable to be at the terminal minimum of two hours prior to your scheduled flight, particularly during periods of high travel demand, to guarantee seamless check-in and security procedures.