IATA · ICAO
Boston Logan International Airport
· filed 2026-07-18 · click a code to copy
Boston Logan International Airport carries the IATA code BOS — the three letters printed on boarding passes and baggage tags — and the ICAO code KBOS, used in flight plans and by air traffic control. It serves Boston, United States.
IATA codes are assigned by the International Air Transport Association for passenger-facing use; the four-letter ICAO code encodes region and country and belongs to the operational side of aviation.