Looking for Spirit Airlines EWR terminal details? Terminal-Guide.com confirms Spirit Airlines operates out of Terminal A at Newark Liberty International Airport. Terminal A offers easy check-in, streamlined security, dining, shops, and convenient transportation options. Knowing the Spirit Airlines EWR terminal helps travelers plan smooth check-in, security, and boarding in 2025. Trust Terminal-Guide.com for human-written, accurate, and up-to-date terminal insight tailored for Spirit passengers flying through Newark Airport. Prepare your journey confidently with expert guidance!