Green Bay–Austin Straubel International Airport (IATA: GRB, ICAO: KGRB, FAA LID: GRB) is a county-owned public-use airport in Brown County, Wisconsin, United States, which serves Northeastern Wisconsin. It is the fourth busiest of eight commercial service airports in Wisconsin in terms of passengers served. The airport is located 7 nautical miles (13 km; 8.1 mi) southwest of downtown Green Bay, in the village of Ashwaubenon.

Green Bay–Austin Straubel International Airport is also known as "The Gateway to Lambeau", as it is the primary airport utilized for people and teams traveling to Lambeau Field, home of the Green Bay Packers.

The airport is named for Lt. Col. Austin Straubel, the first aviator from Brown County to die in his country's service, on February 3, 1942, after having served for thirteen years in the United States Army Air Corps. The airport name was officially changed to Green Bay–Austin Straubel International Airport on August 17, 2016.

Green Bay–Austin Straubel International Airport has two fixed-base operators: Executive Air and Jet Air. Both offer full service during operating hours. The airport covers 2,441 acres (988 ha) and has two runways.

• Runway 18/36: 8,700 x 150 ft (2,651 x 46 m.), surface: concrete, ILS equipped
• Runway 6/24: 7,700 x 150 ft (2,347 x 46 m.), surface: concrete, ILS/DME equipped

For the twelve-month period ending December 31, 2023, the airport had 46,964 aircraft operations, an average of 129 per day: 68% general aviation, 16% air taxi, 15% commercial and 1% military. In August 2024, there were 101 aircraft based at this airport: 49 single-engine, 28 multi-engine, 21 jet, 2 helicopters and 1 ultra-light.

It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2025–2029, in which it is categorized as a non-hub primary commercial service facility. The airport sits on portions of land encompassing Green Bay and the Oneida Nation of Wisconsin's Indian reservation. It has two runways and is used for commercial air travel and general aviation. There are two concourses with six gates each.

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Airlines	Destinations
American Eagle	Chicago–O'Hare
Delta Air Lines	Atlanta
Delta Connection	Detroit, Minneapolis/St. Paul
Sun Country Airlines	Seasonal: Fort Myers
United Express	Chicago–O'Hare

Destinations map
Chicago–O'Hare Minneapolis/St. Paul Fort Myers Atlanta Detroit

Airlines	Destinations
AirNet Express	Milwaukee
Freight Runners Express	Appleton, Fargo, Milwaukee
PACC Air	Iron Mountain

Busiest domestic routes out of GRB
(August 2023 – July 2024)

Rank	City	Passengers	Carriers
1	Chicago–O'Hare, Illinois	126,880	American, United
2	Minneapolis/St Paul, Minnesota	67,230	Delta, Sun Country
3	Detroit, Michigan	62,170	Delta
4	Atlanta, Georgia	49,770	Delta
5	Denver, Colorado	14,230	Frontier
6	Orlando, Florida	4,450	Frontier
7	Fort Myers, Florida	3,250	Sun Country

Largest airlines at GRB (August 2023 – July 2024)

Rank	Airline	Passengers	Share
1	SkyWest Airlines	344,000	52.41%
2	Delta Air Lines	99,170	15.09%
3	Air Wisconsin	70,780	10.77%
4	Frontier Airlines	38,190	5.81%
5	Envoy Air	35,170	5.35%

As of 2023, there is no fixed-route public transit to the airport. However, Green Bay Metro provides microtransit service from the end of Route 9.

• On June 29, 1972, a Convair CV-580 flying as North Central Airlines Flight 290 bound for Oshkosh, Milwaukee and Chicago collided midair with an Air Wisconsin turboprop plane over Lake Winnebago. Eight people died as a result of this accident, five from the North Central flight and three from the Air Wisconsin plane.
• On December 21, 1979, a Cessna 310R operated by Green Bay Aviation was destroyed and two of the five occupants were killed when the aircraft struck trees. The accident occurred 1/2 mile southwest of the airport as the aircraft was executing an ILS approach to Runway 6.
• On January 25, 1989, a privately owned Cessna 337G was destroyed when it impacted the ground 1/2 mile south of Austin Straubel Airport. The aircraft was on approach to GRB, where it was based when the crash occurred. The plane's only occupant, the pilot, was killed.
• On April 2, 2001, a Cessna 501 I/SP en route to Fort Myers, Florida crashed into a Morning Glory Dairy warehouse immediately after takeoff from Runway 18, killing the sole occupant of the aircraft.
• On May 16, 2001, a Glasair experimental aircraft was destroyed and the pilot killed. The aircraft, which was based at GRB, impacted the ground while executing a turn for separation with a landing Cessna on runway 24 at GRB.

• Green Bay Metro
• List of airports in Wisconsin

• Official website
• "Austin Straubel International Airport" (PDF). at Wisconsin DOT airport directory
• FAA Airport Diagram (PDF), effective October 31, 2024
• FAA Terminal Procedures for GRB, effective October 31, 2024
• Resources for this airport:
  • AirNav airport information for KGRB
  • ASN accident history for GRB
  • FlightAware airport information and live flight tracker
  • NOAA/NWS weather observations: current, past three days
  • SkyVector aeronautical chart for KGRB
  • FAA current GRB delay information