Gustavus Airport (IATA: GST, ICAO: PAGS, FAA LID: GST) is a state-owned public-use airport located in Gustavus,[1] a city in the Hoonah-Angoon Census Area of the U.S. state of Alaska.

[4] Gustavus Airport covers an area of 1,821 acres (737 ha) at an elevation of 35 feet (11 m) above mean sea level.

[1] For the 12-month period ending April 30, 2019, the airport had 5,750 aircraft operations, an average of 110 per week: 57% air taxi, 38% general aviation, 3% scheduled commercial, and <1% military.

[1] Aviation fuel (only Jet A, no AVGAS) is available 24/7 on the airport from Avfuel provider Gustavus Dray, Inc., serving private, corporate and military aircraft.

Jet service is operated on a seasonal basis by Alaska Airlines with Boeing 737 aircraft.