
Trenton–Mercer Airport (TTN/KTTN) is a small, county-owned, joint civil–military, public airport located four miles (6.4 km) northwest of Trenton in the West Trenton section of Ewing Township, Mercer County, New Jersey. It is easily accessible from I-95, U.S. 1 and I-295. The airport is a 30-mile drive from central Philadelphia. It is also close to Lake Luxemburg, Sesame Place Amusement Park, Washington Crossing State Park, and Baldpate Mountain. Trenton–Mercer Airport is a convenient alternative to big-city airports, offering affordable parking, a less stressful commute, and competitive fares.
| Characteristics | Values |
|---|---|
| Name | Trenton–Mercer Airport |
| Former Name | Mercer County Airport |
| Location | Northwest of Trenton, West Trenton section of Ewing Township, Mercer County, New Jersey |
| Distance from Philadelphia | 30 miles |
| Distance from Trenton | 4 miles |
| IATA | TTN |
| ICAO | KTTN |
| FAA LID | TTN |
| Terminal | Small, one big room |
| Parking | Affordable |
| Flight Connections | Atlanta, Boston, Orlando, Tampa, Ft. Lauderdale, Ft. Myers, Philadelphia, Newark, New York, Connecticut, Massachusetts, Delaware, North Carolina, Florida, and Pennsylvania |
| Airlines | Frontier Airlines, Eastwind Airlines, Allegheny Commuter, Allegheny, Shuttle America, Boston-Maine Airways, Comair, Delta Connection |
| Hotels Nearby | SpringHill Suites by Marriott Ewing Princeton South, Courtyard by Marriott Ewing Princeton, Element Ewing Princeton |
| Passengers (2023) | 601,000 |
| Aircraft Operations per Day | 308 |
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What You'll Learn

Trenton–Mercer Airport is located in Mercer County, New Jersey
The airport has a long history, dating back to World War II when the nearby General Motors Inland Fisher Guide Plant began manufacturing aircraft for the United States Navy. The airport, then known as Skillman Airport, expanded to accommodate test flights of these aircraft. After the war, the airport returned to county control and was renamed Mercer County Airport.
Trenton–Mercer Airport is a county-owned, joint civil–military, public airport. It serves one scheduled airline, Frontier Airlines, in addition to general and corporate aviation. The airport has seen significant growth in recent years, with the Federal Aviation Administration (FAA) reporting a total of 601,000 passengers arriving and departing in the 12 months ending in July 2023. This made Trenton the third-busiest airport in New Jersey and the fifth fastest-growing airport in the United States as of May 2018.
The airport offers an alternative to big-city airports, with affordable parking, competitive fares, and an easy-to-get-to location. It is also conveniently located near attractions such as Lake Luxemburg, Sesame Place Amusement Park, and Washington Crossing State Park. Trenton–Mercer Airport is committed to providing a positive flying experience for its customers and regularly seeks feedback to improve its services.
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It is a small, county-owned airport
Philadelphia Trenton Mercer Airport, also known as Trenton–Mercer Airport, is a small, county-owned airport located in Ewing Township, Mercer County, New Jersey. The airport is situated four miles (6.4 km) northwest of Trenton, in the West Trenton section.
Trenton–Mercer Airport is a joint civil–military, public airport that caters to both general and corporate aviation. The airport has been recognised as a smart alternative to big-city airports, offering convenient access, affordable parking, and competitive fares. The airport terminal is noted for its compact size, with security and check-in processes generally being efficient.
Historically, the airport was known as Skillman Airport during World War II, accommodating test flights for the Grumman TBF Avenger carrier-based torpedo bombers produced by the nearby General Motors Inland Fisher Guide Plant. Following the war, the airport returned to county control and was renamed Mercer County Airport. In 1995, the name was changed again to Trenton–Mercer Airport to associate it with the city of Trenton, the capital of New Jersey and county seat of Mercer County.
Trenton–Mercer Airport has seen expansions and improvements over the years, including the completion of an automated surface observing system (ASOS) in 1998, replacing human weather observers. The airport has also witnessed the operation of various airlines, such as Eastwind Airlines in the mid-to-late 1990s, offering flights to several states, including Pennsylvania, Massachusetts, and New York. As of 2023, the airport served approximately 601,000 passengers annually and facilitated an average of 308 aircraft operations per day, making it the third-busiest airport in New Jersey.
The airport is easily accessible from nearby highways, including I-95, U.S. 1, and I-295, making it a convenient option for travellers in the region. Trenton–Mercer Airport is committed to providing a positive flying experience, as evidenced by their request for passenger feedback to enhance their services.
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The airport is 30 miles from central Philadelphia
Trenton–Mercer Airport is a small airport located 30 miles from central Philadelphia. It is a county-owned, joint civil-military, public airport situated four miles (6.4 km) northwest of Trenton in the West Trenton section of Ewing Township, Mercer County, New Jersey. The airport is easily accessible from I-95, U.S. 1, and I-295.
Trenton–Mercer Airport offers a convenient and stress-free alternative to big-city airports, with affordable parking just a short walk from check-in and competitive fares. The airport terminal is described as "basically one big room," making security and check-in fast and efficient. However, travellers have noted that it can get super crowded at the gate, making it challenging to find a seat.
The airport caters to both scheduled airline services and general and corporate aviation. As of the data from the U.S. Department of Transportation, approximately 301,000 passengers arrived, and 300,000 departed from the airport in the 12 months ending in July 2023, totalling 601,000 passengers. With an average of 308 aircraft operations per day, Trenton–Mercer Airport is the third busiest airport in New Jersey.
Several hotels are located near Trenton–Mercer Airport, including the Quality Inn & Suites NJ State Capital Area, SpringHill Suites by Marriott Ewing Princeton South, and Courtyard by Marriott Ewing Princeton. These hotels offer amenities such as free breakfast, free WiFi, and free parking, making them convenient options for travellers.
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It is the fifth fastest-growing airport in the US
Trenton–Mercer Airport is a county-owned, joint civil–military, public airport located four miles (6.4 km) northwest of Trenton in the West Trenton section of Ewing Township, Mercer County, New Jersey. The airport is easily accessible from I-95, U.S. 1 and I-295. It is also known as Philadelphia Trenton Mercer Airport, owing to its proximity to Philadelphia.
Trenton–Mercer Airport was formerly known as Mercer County Airport. The airport's name was changed to Trenton–Mercer Airport in 1995 in an effort to identify it with the city of Trenton, the capital of New Jersey and county seat of Mercer County. The airport has a long history, with the first airplane landing at the site in 1907, in what was then Alfred Reeder's farm field. Skillman Airport opened to the public in 1929 and expanded during World War II to accommodate test flights of the Grumman TBF Avenger carrier-based torpedo bomber. After the war, the airport returned to county control and was renamed Mercer County Airport. The navy reestablished a presence in 1997 with the construction of the Naval Air Warfare Center Trenton adjacent to the airport.
Trenton–Mercer Airport has seen significant growth in recent years. As of May 2018, it was the fifth fastest-growing airport in the United States. The airport serves one scheduled airline, Frontier Airlines, in addition to general and corporate aviation. The airport had a total of 601,000 passengers arrive and depart in the 12 months ending July 2023, with an average of 308 aircraft operations per day. This makes Trenton–Mercer Airport the third-busiest airport in New Jersey, after Newark Liberty International Airport and Teterboro Airport.
The airport has a convenient location, affordable parking, and competitive fares, making it a smart alternative to big-city airports. It offers nonstop flights to popular travel spots, including Ft. Lauderdale and Ft. Myers, Florida. The airport also has a range of amenities, including taxi services and bus connections to nearby cities such as Philadelphia and New York.
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Frontier Airlines offers non-stop flights to many destinations
Trenton–Mercer Airport is a small airport located four miles (6.4 km) northwest of Trenton in the West Trenton section of Ewing Township, Mercer County, New Jersey. The airport is easily accessible via Amtrak, New Jersey Transit, and SEPTA railroads.
One of the top destinations served by Frontier Airlines is Denver, Colorado, which serves as the airline's main hub. From Denver, passengers can enjoy numerous nonstop flights to cities such as Las Vegas, Los Angeles, Orlando, and Phoenix. Frontier Airlines also offers convenient options for those looking to explore beyond the Mile High City, with international locations in Mexico, Puerto Rico, Jamaica, Guatemala, El Salvador, the Dominican Republic, and Canada.
In addition to its Denver hub, Frontier Airlines provides non-stop flights to other popular destinations, including Atlanta, Dallas, Miami, and New York. For those seeking a beach vacation, Frontier Airlines offers a direct flight from Chicago to Cancun, Mexico, providing an escape to the beautiful beaches and vibrant culture of the region.
With over 100 destinations and a route network spanning across the country, Frontier Airlines enables travellers to explore various corners of the United States and international locations. The airline's loyalty program, FRONTIER Miles, further enhances the experience by rewarding members with exclusive benefits.
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Frequently asked questions
The airport is located in Ewing, New Jersey, 30 miles from central Philadelphia.
The airport serves one scheduled airline, Frontier Airlines, in addition to general and corporate aviation. Frontier Airlines offers non-stop flights to destinations including Ft. Lauderdale, Florida, and Atlanta, Georgia.
The airport is easily accessible by road, located off PA-332, near I-95, U.S. 1, and I-295. There are also several taxi companies that operate from the Trenton Transit Center, which is connected to the airport via the SEPTA West Trenton Line.



































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