- Baltra Airport, officially known as Seymour Airport (IATA code: GPS), is the main airport serving the Galápagos Islands in Ecuador. It is located on the northern part of Baltra Island, one of the islands in the Galápagos archipelago. The airport primarily serves as the gateway for tourists visiting the Galápagos Islands and offers domestic flights to and from the mainland of Ecuador. From the airport, visitors can take a shuttle bus to the Itabaca Canal, where they can cross over to Santa Cruz Island and continue their journey to other islands in the Galápagos.