
Washington Dulles International Airport (IAD) is one of the three major airports serving the Washington-Baltimore metropolitan area, along with Ronald Reagan Washington National Airport (DCA) and Baltimore/Washington International Airport (BWI). Dulles Airport is located 26 miles from DC in suburban Virginia and is the primary international airport for the DC region. It is a hub for United Airlines and several regional operators, offering nearly 157 nonstop domestic and international destinations on about 40 airlines. Dulles ranks fourth in the US in terms of land area, covering a significant portion of northern Virginia.
| Characteristics | Values |
|---|---|
| Land area rank in the US | 4th |
| Location | Loudoun County, Virginia |
| Proximity to DC | 26 miles |
| Number of runways | 4 |
| Number of terminals | Several |
| Number of nonstop destinations | 157 |
| Number of airlines | 40 |
| Accessibility by metro | Silver line |
| Accessibility by taxi | Washington Flyer |
| Dining and shopping | Duty-free souvenirs, high-end designers, spa |
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What You'll Learn
- Washington Dulles International Airport is one of the three major airports in the Washington, DC region
- It is the fourth-largest airport in the US in terms of land area
- The airport is located 26 miles from DC in suburban Virginia
- It is a hub for United Airlines and regional operators Mesa, GoJet, and CommuteAir
- The main terminal was designed by Finnish-American architect Eero Saarinen and is known for its beauty

Washington Dulles International Airport is one of the three major airports in the Washington, DC region
Washington Dulles International Airport is indeed one of the three major airports in the Washington, DC region. The airport is located 26 miles from DC in suburban Virginia and is the primary international airport for the DC region. It is a hub for United Airlines and is frequently used by Star Alliance members like Turkish Airlines and Lufthansa, with which United has codeshare agreements. It also serves as a hub for regional operators Mesa, GoJet, and CommuteAir, operating under the United Express brand.
The airport is vast, ranking fourth in the US in terms of land area. It covers a significant portion of land, stretching from north of the McMillan Reservoir to Mississippi Avenue SE. It takes up more space than Baltimore/Washington International Airport (BWI), which serves the same metropolitan area. Dulles Airport is a busy international airport with a number of terminals and gates catering to nearly 40 airlines. It offers a diverse range of dining and shopping options, including duty-free souvenirs and high-end designers.
The airport's main terminal was designed by the renowned Finnish-American architect Eero Saarinen and is acclaimed for its elegant beauty, evocative of flight. The terminal features a two-level road system, efficiently separating arrival and departure traffic. Additionally, a federally owned limited-access highway connects the terminal to the Capital Beltway (I-495), located about 17 miles east. This highway network includes a parallel toll road to manage commuter traffic and an extension to connect to I-66.
Washington Dulles International Airport is easily accessible from DC via the Metro's Silver Line, with a one-way trip costing $6.75 and taking approximately one hour. The airport provides a range of services and facilities, reflecting its commitment to universal access for all patrons. It offers ground transportation options, wheelchair rentals, public restroom access, and security checkpoint access, ensuring a seamless travel experience for its customers.
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It is the fourth-largest airport in the US in terms of land area
Washington Dulles International Airport (IAD) is the fourth-largest airport in the US in terms of land area. It covers a huge amount of land, from north of the McMillan Reservoir to Mississippi Avenue SE. It is so expansive that it covers all of Arlington Cemetery and nearly reaches the Starburst intersection.
Dulles Airport is located 26 miles from DC in suburban Virginia and is the primary international airport for the DC region. It is a major hub for United Airlines and is frequently used by Star Alliance members such as Turkish Airlines and Lufthansa, with which United has codeshare agreements. It is also a hub for regional operators Mesa, GoJet, and CommuteAir, which operate under the United Express brand.
The airport was dedicated by President John F. Kennedy and Eisenhower on November 17, 1962. Its original name, Dulles International Airport, was changed in 1984 to Washington Dulles International Airport. The main terminal was designed by the famed Finnish-American architect Eero Saarinen and is renowned for its graceful beauty, evocative of flight.
The airport has undergone several expansions and improvements over the years. Additions at both ends of the main terminal more than doubled its length. The design also included a two-level road in front of the terminal to separate arrival and departure traffic and a federally owned limited-access highway connecting the terminal to the Capital Beltway (I-495).
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The airport is located 26 miles from DC in suburban Virginia
Washington Dulles International Airport is a major airport serving the Washington-Baltimore metropolitan area. It is located 26 miles from Washington, DC, in the suburban community of Dulles in Loudoun County, Virginia. The airport is named after John Foster Dulles, the Secretary of State under President Eisenhower.
Dulles International Airport is a hub for United Airlines and is frequently used by Star Alliance members, including Turkish Airlines and Lufthansa, with which United has codeshare agreements. The airport is also a hub for regional operators Mesa, GoJet, and CommuteAir, which operate under the United Express brand.
The airport is located a considerable distance from the city of Washington, DC, and is spread out over a large area. Dulles takes up a significant amount of land, spanning from north of the McMillan Reservoir to Mississippi Avenue SE. It covers all of Arlington Cemetery and nearly reaches the Starburst intersection. The airport is accessible from DC via Metro's Silver Line, with each ride taking about an hour and costing $6.75.
The main terminal of Dulles International Airport was designed by the renowned Finnish-American architect Eero Saarinen and is acclaimed for its elegant beauty, evocative of flight. The terminal features a landscaped man-made lake for rainwater collection, a low-rise hotel, and office buildings along the north side of the main parking lot. The airport has a two-level road in front of the terminal to separate arrival and departure traffic, and it is connected to the Capital Beltway (I-495) by a federally owned limited-access highway.
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It is a hub for United Airlines and regional operators Mesa, GoJet, and CommuteAir
Washington Dulles International Airport is one of the three major airports serving the Washington-Baltimore metropolitan area. It is a hub for United Airlines, which is the DC region's largest airline, with more flights and destinations than any other carrier. United Airlines has invested over $32 billion across its business since 2021, with Washington Dulles being one of its key investment locations. The airline has over 8,000 local employees in the region and has been operating out of Washington Dulles for nearly four decades.
In addition to being a hub for United Airlines, Washington Dulles is also a hub for regional operators Mesa, GoJet, and CommuteAir, who operate under the United Express brand. Mesa Airlines, headquartered in Phoenix, Arizona, operates a fleet of Embraer E-175 Aircraft that are scheduled, marketed, and sold by United Airlines as United Express. Mesa operates from 73 cities in the United States, Cuba, Mexico, and Canada, connecting smaller airports to United's hubs, including Washington-Dulles.
GoJet Airlines, headquartered in Bridgeton, Missouri, operates commuter feeder services under the United Express brand. They have a fleet of CRJ550s, which are equipped with General Electric CF34 engines, similar to those on the Bombardier CRJ700 series. GoJet has been operating as a regional carrier for United Express since 2005 and has expanded its fleet over the years.
CommuteAir, which became a United Express carrier in 2010 after the merger of United and Continental, operates under the United Express brand as well. In 2015, CommuteAir reached an agreement with United Airlines to increase the number of airplanes flown under the United Express brand, adding Embraer ERJ 145 jet operations to their existing fleet. In 2020, CommuteAir became the sole operator of the United Express ERJ 145 fleet.
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The main terminal was designed by Finnish-American architect Eero Saarinen and is known for its beauty
Washington Dulles International Airport (IAD) is one of the three major airports serving the Washington-Baltimore metropolitan area. It is the busiest airport in the region and the 28th busiest airport in the US. The airport is located 26 miles from DC in suburban Virginia and covers a huge amount of land. It is also the primary international airport for the DC region, with almost 157 nonstop domestic and international destinations on nearly 40 airlines.
The main terminal of the airport was designed by Finnish-American architect Eero Saarinen in 1958. Saarinen's design is highly regarded for its graceful beauty, suggestive of flight. The terminal has since been extended, more than doubling the structure's length. The original terminal at Taiwan Taoyuan International Airport in Taiwan was modelled after the Saarinen terminal at Dulles.
Saarinen's design for the main terminal included a landscaped man-made lake to collect rainwater, a low-rise hotel, and a row of office buildings along the north side of the main parking lot. The design also included a two-level road in front of the terminal to separate arrival and departure traffic. A federally-owned limited-access highway connects the terminal to the Capital Beltway (I-495) about 17 miles (27 km) to the east.
The airport's access road had a wide median strip to allow the construction of a passenger rail line, which opened as an extension of the Washington Metro's Silver Line in 2022. The Silver Line connects the airport to DC, with each ride taking about an hour and costing $6.75.
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Frequently asked questions
Washington Dulles International Airport is a major airport serving the Washington-Baltimore metropolitan area. It is one of the biggest airports in the US in terms of land area, ranking fourth after Denver International Airport, Dallas/Fort Worth International Airport, and Southwest Florida International Airport. The airport covers a huge amount of land, from north of the McMillan Reservoir to Mississippi Avenue SE, and includes all of Arlington Cemetery.
Washington Dulles is a busy international airport, with almost 157 nonstop domestic and international destinations on nearly 40 airlines. It is the busiest airport in the Washington-Baltimore metropolitan area and the 28th busiest airport in the US. The airport also has the most international passenger traffic of any airport in the Mid-Atlantic outside the New York metropolitan area.
Washington Dulles has a variety of dining and shopping options, including duty-free souvenirs, high-end designers, and even a spa. There is also a hotel located within the airport, as well as a row of office buildings along the north side of the main parking lot.
Washington Dulles is located 26 miles from DC in suburban Virginia. It is connected to DC by Metro's Silver Line, with each ride taking about an hour and costing $6.75. Washington Flyer taxi cabs also exclusively service the airport, with taxi stands located outside the main terminal.







































