Terminal A
Separate check-in, security checkpoint and baggage claim on the west side. The airport's airline list shows JetBlue, Air Sunshine and Tradewind here. Third-party sources add Air Canada, Avelo and WestJet, so confirm on your itinerary.
Luis Munoz Marin International Airport (SJU) terminal guide
San Juan, Puerto Rico TJSJ #38 US airport by passengers
How SJU is laid out and how to move between buildings.
Terminals at SJU
Terminal B (check-in for Concourses B, C and D)
The airport lists American, Delta, Frontier, Southwest, Spirit, United, Avianca, Copa, Iberia, Cape Air, interCaribbean and Vieques Air Link at Terminal B. Departures and ticketing are on the second level, and arrivals and baggage claim are below.
Concourses C and D
Reached after security from Terminal B. Concourse C is used by American, Frontier and several international carriers. Concourse D is used by regional carriers and has the on-site airport hotel. Third-party sources place customs and border processing for international arrivals between these concourses.
Moving between terminals
Terminals B, C and D are connected airside, so once you are through the Terminal B checkpoint you can walk to Concourses C and D. Terminal A has its own check-in, checkpoint and baggage claim, so confirm with your airline how to connect if you are changing between Terminal A and the other concourses. A third-party guide estimates about 15 minutes to walk between Terminals A and D.
Reviewed October 8, 2026. Confirm details on the official airport website. Spotted a change?
Frequently asked questions
Which terminal does JetBlue use at SJU?
JetBlue uses Terminal A. Most other major U.S. airlines check in at Terminal B.