Southwest Airlines Dulles Terminal, Airport Code, and Phone Number:


Dulles International Airport


Main Terminal


Main Terminal


+1 703-572-2700

Terminal ADDRESS

1 Saarinen Cir, Dulles, VA 20166, United States


What Terminal Is Southwest At Dulles International Airport?

Below are the details for Dulles (IAD) Terminal:

Arrivals and Departures Terminal (IAD):

Southwest operates from the Main Terminal at Dulles International Airport (IAD) for all arrivals and departures. This is applicable for both domestic and international flights at Dulles (IAD) Airport.


  • Southwest Airlines Main Terminal includes Gates: B 50, and 64 at Dulles (IAD) Airport.
  • To obtain assistance regarding the Dulles International Airport terminal, please dial the telephone number +1 703-572-2700.
  • Southwest Airlines offers 106 flights each week from IAD airport to different cities.
  • On weekdays, there are 3 cities with nonstop flights from IAD, and on weekends, there are 3 cities.

Facts About Dulles International Airport

Dulles International Airport (IAD) is located in Dulles, Virginia, which is about 26 miles west of Washington, D.C. Some of the facts about IAD Airport are given below; 

  • The airport was dedicated in 1962 and was the first U.S. airport designed to accommodate commercial jets.
  • It is the second-busiest airport in the Washington–Baltimore metropolitan area and the 28th-busiest airport in the United States.
  • Dulles has the most international passenger traffic of any airport in the Mid-Atlantic outside the New York metropolitan area.
  • The airport has four runways and two concourses, with a total of 136 gates.

Services and Amenities at Southwest Terminal Dulles

Dulles International Airport offers a range of services and amenities for its valuable passengers at the Southwest Terminal, making it a great choice for your next trip.

  • For those traveling with pets, the Southwest Terminal IAD has pet relief stations where your furry friends can take a break and feel comfortable without causing any inconvenience to other travelers.
  • In today's world, our electronic devices are essential, and the IAD airport understands that. You can charge your devices with the help of the charging section available at the terminal.
  • The Dulles USO Lounge is located at the main terminal of the airport, specifically at the Southwest Terminal Dulles. This lounge provides a luxurious experience for all veterans and welcomes all passengers to visit and relax.
  • For those who desire some spiritual time at the airport, the Southwest Dulles Terminal has an interfaith chapel available. Prayers are held at different intervals throughout the day, providing a peaceful sanctuary for those seeking some quiet time.

Ways to get to and from Southwest Terminal IAD

Traveling to and from the Southwest Terminal Dulles Airport is simple, and there are different modes of transportation available for you to travel conveniently. Here are some of the modes:

  • One of the most popular ways to travel to and from the airport is through public transportation like buses or trains. 
  • If you prefer a more private mode of transportation, you can opt for taxis or rideshare services. Taxis give you the privacy of traveling alone, while rideshares can be cost-effective and allow you to meet new people.
  • Passengers can also choose to bring their private vehicles to the IAD Southwest terminal and park in one of the available parking options. The parking fees depend on the time and type of parking you choose.

Southwest Airlines Routes and Destinations

Southwest Airlines has been serving passengers for years and provides a range of direct and connecting flights to and from Dulles Airport. Here are the destinations and cities covered by Southwest flights.

Direct Flights to Southwest IAD Terminal

Southwest Airlines offers direct flights to only three destinations from the Southwest IAD terminal. Passengers can fly directly to/from Atlanta, Chicago, and Denver. In total, there are 536 direct flights to these destinations.

Connecting Flights to Southwest IAD Terminal

Southwest Airlines also offers connecting flights to and from Dulles Airport, which are usually more affordable than direct flights. The airline operates a total of 536 connecting flights from IAD. Some of the destinations that have connecting flights to and from the airport include Austin, Boise, and Jackson. To know more cities that have connecting flights then you can check the Southwest Flight Routes

Frequently Asked Questions (FAQs)

Southwest Airlines allows each passenger to bring up to two free checked bags and one carry-on bag on their flight. The checked bags should not exceed 62 inches in total dimensions and 23 kg in weight.

Southwest Airlines requires all passengers, regardless of vaccination status, to wear a face mask while onboard their flights and also at the airport. This policy is in place to help prevent the spread of COVID-19.

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