Spirit Airlines operates out of Terminal B (specifically B-East) at Boston Logan Airport for both arrivals and departures.

Quick Scoop: What terminal is Spirit at Logan?

If you’re flying Spirit in or out of Boston Logan (BOS), you’ll be using:

  • Terminal B – East side for check-in, security, and boarding.
  • Spirit flights arrive and depart from Terminal B (same terminal for both).
  • Common Spirit gates are around B39–B40 , though your exact gate can change, so always check your boarding pass and airport screens.

Always verify your terminal and gate on your Spirit app, booking confirmation, or airport monitors on the day of travel, since airports can occasionally shuffle gates or even terminals for operational reasons.

Extra tips before you go

  • Get to Terminal B a bit early, especially at busy times, to clear security without stress.
  • Check-in and bag drop for Spirit are located on the upper (departures) level of Terminal B.
  • Baggage claim for Spirit is on the ground/Level 0 of Terminal B, close to passenger pick-up.

Information gathered from public forums or data available on the internet and portrayed here.