Do you want to know What terminal is JetBlue Airways at BOS? The X-shaped Terminal C at Boston Logan International Airport, which is known for its well-planned design and plenty of amenities, is where JetBlue is based. Terminal C serves both domestic and some international flights and features check-in counters, security, and a variety of shops and restaurants in a bright, passenger-friendly location. Passengers can also benefit from connections to a USO lounge on the lower level and the adjacent Terminal E lounges. Whether you're flying economy or Mint, JetBlue's presence in Terminal C ensures a smooth start to your BOS journey.