Spirit Airlines operates from Terminal B at Boston Logan International Airport (BOS). If you're wondering, "What Terminal is Spirit Airlines at BOS?" the answer is Terminal B. Known for its budget-friendly travel options, Spirit Airlines provides efficient and convenient service to numerous domestic destinations. Terminal B is well-equipped with essential amenities like dining options, shops, and comfortable seating areas, making it a convenient spot for travelers. The terminal offers clear signage for an easy check-in process and access to security checkpoints. Spirit Airlines passengers can enjoy quick connections to airport parking, public transportation, and ground transport options. The terminal’s facilities ensure that Spirit's low-cost flights are complemented by a hassle-free airport experience, ideal for budget-conscious travelers.