
St. Louis is served by several airports, some of which are located in Illinois. MidAmerica St. Louis Airport (IATA: BLV) is located in St. Clair County, Illinois, 18 nautical miles (33 km) east of downtown St. Louis. It is a secondary domestic passenger airport for the Greater St. Louis metropolitan area and is the fifth-busiest of the 12 commercial airports in Illinois. Another airport, St. Louis Regional Airport, is located east of Alton, Illinois, and offers quick access to St. Louis and Southwest Illinois. Additionally, St. Louis Downtown Airport (KCPS) is located just minutes away from downtown St. Louis, providing convenient access to the city and the surrounding region.
| Characteristics | Values |
|---|---|
| Name | MidAmerica St. Louis Airport, Belleville–St. Louis Airport |
| Location | 18 nautical miles (33 km) east of downtown St. Louis, Illinois, US |
| IATA | BLV |
| ICAO | KBLV |
| FAA LID | BLV |
| Year opened | 1997 |
| Ranking | 204th in the US, 5th busiest of the 12 commercial airports in Illinois |
| Passenger statistics | 308,000 passengers between Jan-Dec 2018, 152,278 enplanements in 2018, 80,000 enplanements (157,000 total passengers) in 2016, 32,589 enplanements (63,000 total passengers) in 2015, 16,328 enplanements in 2014, 13,542 enplanements in 2013 |
| Awards | "Airport of the Year" in 2018 for airports with more than 10,000 passengers annually |
| Operators | Allegiant Air |
| Access | Direct or indirect service via MetroLink to Central West End, Clayton, Lambert Airport, and suburban areas in Illinois and Missouri |
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What You'll Learn

MidAmerica St. Louis Airport is in Illinois
MidAmerica St. Louis Airport (IATA: BLV, ICAO: KBLV, FAA LID: BLV) is located in Mascoutah, St. Clair County, Illinois, United States. It is also known as Belleville–St. Louis Airport. The airport is situated 18 nautical miles (33 km or 21 mi) east of downtown St. Louis and 14 nautical miles (26 km or 16 mi) east of Belleville's central business district. It is a public airport that serves the Greater St. Louis metropolitan area, alongside the larger St. Louis Lambert International Airport.
MidAmerica St. Louis Airport is a joint-use airport, sharing space with Scott Air Force Base. It is the fifth-busiest of the 12 commercial airports in Illinois. The airport has been operational since 1997 and is currently served by a single scheduled commercial airline, Allegiant Air, which restarted services in 2012.
The airport has experienced varying levels of passenger traffic over the years. In 2018, it was ranked 204th in the United States, with approximately 302,000 total passengers, according to the USDOT. This was a significant increase from previous years. In 2014, the airport was ranked 363rd in the US with 16,328 passenger enplanements, and in 2013, it was ranked 373rd with 13,542 enplanements.
MidAmerica St. Louis Airport offers convenient access to various destinations. The Red Line provides direct service to downtown St. Louis from the Shiloh–Scott station. Additionally, the MetroLink offers direct or indirect connections to the Central West End, Clayton, Lambert Airport, and suburban areas in both Illinois and Missouri. The airport has also been recognised for its affordability, being named "Airport of the Year" in 2018 by the Illinois Department of Transportation for airports with more than 10,000 annual passengers.
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St. Louis Regional Airport is in Illinois
St. Louis Regional Airport is indeed in Illinois. Located east of Alton, Illinois, St. Louis Regional Airport offers quick and convenient access to the many business and tourism resources of St. Louis and Southwest Illinois.
There are, in fact, several airports in the St. Louis region. Aside from the St. Louis Regional Airport, there is also the MidAmerica St. Louis Airport, which is the fifth busiest of the 12 commercial airports in Illinois. It is also known as Belleville–St. Louis Airport and is located in St. Clair County, Illinois. This airport is situated 18 nautical miles (33 km or 21 mi) east of downtown St. Louis and 14 nautical miles (26 km or 16 mi) east of Belleville's central business district. It is considered the secondary domestic passenger airport for the Greater St. Louis metropolitan area, after the larger St. Louis Lambert International Airport.
Another airport in the region is the St. Louis Downtown Airport (KCPS), which is just minutes away from downtown St. Louis and the Gateway Arch. It offers convenient access to downtown St. Louis, Clayton, MO, Scott Air Force Base, and various landmarks, institutions, and entertainment venues in the region.
Each of these airports serves a diverse range of clients, including businesses, general aviators, the military, and aircraft manufacturers. They cater to different passenger volumes and provide varying levels of convenience in terms of location and accessibility to specific destinations in the St. Louis area and beyond.
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St. Louis Downtown Airport is in Missouri
St. Louis Downtown Airport (KCPS) is located in Missouri, just minutes away from downtown St. Louis and the Gateway Arch. It is an FAA-designated reliever airport and the busiest general aviation airport in Illinois outside of Chicago. The airport is known for its safety, convenience, and private aviation services, offering quick access to downtown St. Louis, Clayton, MO, and Scott Air Force Base.
The history of aviation in St. Louis dates back to the early 20th century. In June 1920, the Missouri Aeronautical Society leased a 170-acre field, establishing the "St. Louis Flying Field." The field was later renamed after Albert Bond Lambert, an Olympic medalist, prominent aviator, and leading member of the Society. This field eventually became St. Louis Lambert International Airport, which is now the primary international airport serving metropolitan St. Louis and the largest and busiest airport in Missouri.
Over the years, the airport has undergone expansions and improvements, including the addition of hangars, a passenger terminal, and an air traffic control system. During World War II, it served as a manufacturing base for aircraft corporations. After the war, most of its facilities were acquired by the Missouri Air National Guard, becoming the "Lambert Field Air National Guard Base."
In addition to St. Louis Lambert International Airport and St. Louis Downtown Airport, there are several other notable airports in the region, including MidAmerica St. Louis Airport in Mascoutah, Illinois, and Spirit of St. Louis Airport, which celebrated its 60th anniversary in 2024 and is one of the busiest business aviation airports in the region. St. Louis Regional Airport, located east of Alton, Illinois, also serves a diverse range of clients, including Fortune 500 companies, aviators, the U.S. military, and aircraft manufacturers.
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MidAmerica is a secondary airport for St. Louis
MidAmerica St. Louis Airport (IATA: BLV, ICAO: KBLV, FAA LID: BLV) is located 18 nautical miles (33 km) east of downtown St. Louis and 14 nautical miles (26 km) east of Belleville, Illinois. It is also known as Belleville–St. Louis Airport and is a public airport situated next to Scott Air Force Base.
The airport was established in 1997 to alleviate congestion at St. Louis Lambert International Airport. However, it initially faced criticism for being a costly project that did not effectively address the issue of crowding. Nevertheless, MidAmerica St. Louis Airport has grown in passenger traffic over the years, with a significant increase in enplanements since 2013. In 2018, the airport served approximately 300,000 passengers, according to various sources.
MidAmerica St. Louis Airport is served by Allegiant Air, which operates flights to 12 destinations. The airport has been recognised for its affordability, being named "Airport of the Year" in 2018 by the Illinois Department of Transportation for airports with more than 10,000 annual passengers. It has also been ranked among the nation's least expensive airports by the Bureau of Transportation.
In addition to commercial flights, the airport accommodates military and test flights. It is conjoined with Scott Air Force Base, providing easy access for military operations. MidAmerica St. Louis Airport also serves as a test site for Boeing, with the company conducting drone test flights for the U.S. Navy.
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MidAmerica is conjoined with Scott Air Force Base
The MidAmerica St. Louis Airport (IATA: BLV, ICAO: KBLV, FAA LID: BLV) is located next to the Scott Air Force Base. It is situated 18 nautical miles (33 km or 21 mi) east of downtown St. Louis and 14 nautical miles (26 km or 16 mi) east of the central business district of Belleville in St. Clair County, Illinois. The airport is also known as the Belleville–St. Louis Airport.
MidAmerica St. Louis Airport is a public airport that opened in 1997. It is the secondary domestic passenger airport for the Greater St. Louis metropolitan area, after the larger St. Louis Lambert International Airport. The airport is jointly used and is currently served by a single scheduled commercial airline, Allegiant Air.
The airport's construction included the addition of a 10,000-foot (3,000-metre) 14L/32R (east) runway and an extension of the existing west runway by 1,000 feet (300 metres). Passenger and cargo terminals were built on the east side, and a 7,000-foot (2,100-metre) taxiway was constructed to connect the two runways. A new air traffic control tower, staffed by Air Force personnel, was also built between the runways.
The St. Clair County Transit District (SCCTD) operates the MidAmerica Airport Shuttle, providing transportation between the airport and the Shiloh–Scott station of MetroLink, the St. Louis region's light rail system. The trip takes approximately 20 minutes, and buses arrive every 40 minutes, starting three hours before the first scheduled flight and continuing until 35 minutes after the last flight.
MidAmerica St. Louis Airport covers 7,003 acres (2,834 hectares) and has two runways. In September 2020, the airport received $6.5 million in federal grants to expand its terminal, with the final phase expected to be completed by the end of 2023. The expansion will add 41,000 square feet to the terminal, accommodating a range of new facilities and improved accessibility.
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Frequently asked questions
Yes, there is an airport in St. Louis, Illinois called MidAmerica St. Louis Airport. It is a public airport located next to Scott Air Force Base.
The MidAmerica St. Louis Airport is located 18 nautical miles (33 km or 21 mi) east of downtown St. Louis.
In addition to MidAmerica St. Louis Airport, there is also St. Louis Lambert International Airport, which is the larger and primary airport serving the region.
The Red Line provides direct service from the Shiloh–Scott station to downtown St. Louis. Additionally, MetroLink offers direct or indirect service to various destinations, including Clayton and the Central West End.










































