Airports in St. Mary's County, Maryland: Private, Municipal, Regional(All)

Airports Serving St. Mary's County, Maryland

St. Mary's County occupies the southernmost tip of western Maryland's coastal peninsula, where the Potomac River meets the Chesapeake Bay, home to approximately 113,000 residents in communities including Leonardtown, the county seat, Lexington Park, California, and Hollywood. The county's economy is dominated by Naval Air Station Patuxent River, which employs thousands of military personnel, government civilians, and defense contractors, creating substantial air travel demand for both business and personal trips. St. Mary's County's southern Maryland location places it at a considerable distance from major commercial airports, requiring drives of 70 minutes or more to reach BWI, DCA, or Dulles.

Ronald Reagan Washington National Airport (DCA)

Reagan National Airport is one of the two primary commercial airports for St. Mary's County residents, located approximately 65 to 75 miles north via Route 5 North and Route 235 to the Capital Beltway and the George Washington Parkway. The drive takes roughly 80 to 100 minutes under normal traffic conditions, though Capital Beltway congestion can extend travel times significantly during rush hours. DCA offers strong domestic service on American Airlines, Delta, United, Southwest, Alaska Airlines, and JetBlue, with particular strength on high-frequency routes to New York, Boston, Chicago, and Atlanta. For St. Mary's County's large defense contractor and military community, DCA's proximity to the Pentagon, Crystal City, and downtown Washington makes it the preferred airport for government and defense business travel.

Baltimore-Washington International Airport (BWI)

BWI is approximately 70 to 80 miles north of St. Mary's County, reachable in roughly 80 to 100 minutes via Route 4 North through Calvert County to the Baltimore-Washington Parkway. BWI handles over 27 million passengers annually with Southwest Airlines operating more than 200 daily departures as the dominant carrier, offering nonstop service to over 80 destinations at fare levels generally lower than DCA. For St. Mary's County residents prioritizing low fares and broad domestic route selection, BWI provides the best value despite the longer drive compared to some DCA routes. The airport also hosts Delta, United, American, JetBlue, Spirit, Frontier, Alaska Airlines, Icelandair, and British Airways, with long-term parking available at $10 per day in satellite lots.

St. Mary's County Regional Airport and NAS Patuxent River

St. Mary's County Regional Airport is a public general aviation facility located near Leonardtown, featuring a 3,100-foot paved runway that serves private pilots, flight training, and limited charter operations. The airport provides local aviation access for the county and supports air taxi services that connect St. Mary's County to Washington, Baltimore, and other regional destinations. Naval Air Station Patuxent River, the dominant aviation facility in the county, serves as the Navy's principal center for research, development, test, and evaluation of naval aircraft and aviation systems. NAS Pax River's operations include some of the most advanced military aircraft testing in the Department of Defense, and while the base is not available for civilian commercial use, its aviation infrastructure and workforce define St. Mary's County's deep connection to the aerospace industry.

Washington Dulles and International Access

Washington Dulles International Airport completes the airport options for St. Marys County, located approximately 85 to 100 miles northwest with a drive time of 100 to 120 minutes via Route 5 North to the Capital Beltway and the Dulles Access Road. Dulles serves as United Airlines primary East Coast international hub, offering nonstop flights to London, Frankfurt, Munich, Tokyo, Dubai, Delhi, Istanbul, Addis Ababa, and dozens of other global destinations. For St. Marys County defense industry community, which includes contractors working with international allied nations and foreign military sales programs, Dulles provides essential connectivity to partner countries. The airport also hosts low-cost domestic carriers including JetBlue, Spirit, and Frontier that can offer competitive fares on routes where DCA and BWI pricing runs high. Despite the two-hour drive, Dulles remains the indispensable airport for St. Marys County residents and defense workers needing global travel connections.

Airport facilities in a county are typically governed by regional airport authorities or county commissions that oversee operations, safety standards, and capital improvements. There are 7 Airports locations in St Marys County, Maryland.

County residents can use this directory to identify which airports serve their area, whether they need commercial airline service, general aviation access, or cargo shipping connections. Contact the airport administration office directly for permitting, noise complaints, or facility inquiries.

Residents of St Marys County can contact their local airport authority for information about noise abatement programs, land use around airport property, and community engagement meetings. For flight bookings and airline services, visit the airport's official website directly.

You may also find Airports locations in neighboring counties including St. Mary's, Charles.

Frequently Asked Questions About Airports Near St. Mary's County, Maryland

Ground Transportation for St. Mary's County Air Travelers

St. Mary's County's southern Maryland peninsula location means that all commercial airport trips involve at least 80 minutes of driving, making ground transportation planning essential. Route 5 North and Route 235 serve as the primary corridors connecting Lexington Park and Leonardtown to the Capital Beltway and DCA, while Route 4 through Calvert County provides the most direct path to BWI via Prince Frederick and Upper Marlboro. Both routes are predominantly two-lane roads through rural stretches, where farm equipment and school bus stops can slow progress, so travelers should build buffer time into their airport trip planning.

Several private transportation companies serve the St. Mary's County to airport corridor, offering sedan and SUV services for defense contractor and government travelers who need reliable, professional airport transfers. Ride-share services from Lexington Park to DCA or BWI typically cost $80 to $120 each way, which can be competitive with airport parking costs for shorter trips. For extended travel, driving and parking at BWI's $10-per-day satellite lots remains the most economical option. Washington Dulles International Airport (IAD), accessible in approximately 100 to 120 minutes via the Capital Beltway, rounds out St. Mary's County's airport options for international travel, offering United Airlines' extensive global hub network for the county's defense community members traveling to international partners and allies.

Frequently Asked Questions

1. How early should I arrive at the airport?

Most of the time, you should get to the airport at least two hours before your domestic flight and at least three hours before your international flight. This will allow you enough time to check in, pass through security, and make your way to your gate.

2. What should I do if my flight is delayed or cancelled?

If your flight is delayed or canceled, you should contact your airline as soon as possible. They will usually tell you what your options are, which could include getting a refund or rebooking on a later flight.

3. What is clear at the airport?

Clear is a TSA pre-check program that speeds up the security screening process for low-risk travelers who have already been approved.

Members of the Clear program are able to use dedicated security lanes where they do not have to remove items such as shoes, laptops, liquids, belts, and light jackets. This process allows for a faster and more convenient screening experience for Clear members.

To become a member of Clear, an individual must provide their biographic information and fingerprints for a background check, and then pay an annual fee.

4. Are masks required in airports?

The TSA will no longer require airport employees or patrons to wear a face covering or face mask inside the airport terminal or on airport-operated ground transportation.

5. Can you bring food through airport security?

Yes, you can bring food through airport security.

Solid foods like sandwiches, fruits, and granola bars, are allowed in your carry-on and checked baggage.

Some liquid and gel-like foods, such as yogurt, jelly, and hummus, are also permitted in your carry-on bag as long as they are in containers that hold 3.4 ounces or less.

6. How much is airport parking?

The cost of airport parking can vary greatly depending on the airport, the length of time you will be parked, and the type of parking spot you choose.

On average, hourly parking rates can range from $1-$4 per hour, while daily rates can range from $8-$30 per day. Long-term parking rates can range from $8-$20 per day.

7. Can I leave the airport during a layover?

Yes, If your layover is long enough, you may be able to leave the airport and explore the destination city. It's also a good idea to check with your airline to see if they offer any tours or other options for passengers with long layovers.

8. Can I sleep in an airport?

Yes, you can sleep in an airport, however, the amenities and comfort levels of sleeping in an airport can vary greatly depending on the airport you are in.

Some airports also offer amenities like sleeping pods, capsule hotels and lounges for passengers who want to rest or sleep before their flight. Some airlines also offer resting rooms or lounges for their premium customers.