Southwest® flights from Washington, D.C. (Dulles) starting at $68
Book flights from Washington, D.C. (Dulles) with Southwest Airlines

Washington, D.C. (Dulles) (IAD)to
Seattle/Tacoma (SEA)
Washington, D.C. (Dulles) (IAD)to
Las Vegas (LAS)
Washington, D.C. (Dulles) (IAD)to
San Diego (SAN)
Washington, D.C. (Dulles) (IAD)to
Phoenix (PHX)
Washington, D.C. (Dulles) (IAD)to
San Jose, CA (SJC)
Washington, D.C. (Dulles) (IAD)to
Colorado Springs (COS)
Washington, D.C. (Dulles) (IAD)to
San Antonio (SAT)
Washington, D.C. (Dulles) (IAD)to
New Orleans (MSY)
Washington, D.C. (Dulles) (IAD)to
Denver (DEN)
Washington, D.C. (Dulles) (IAD)to
Los Angeles (LAX)
Washington, D.C. (Dulles) (IAD)to
Ontario/LA (ONT)
Washington, D.C. (Dulles) (IAD)to
Salt Lake City (SLC)*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
Traveling from Washington, D.C. (Dulles)
Southwest Airlines is proud to serve Washington Dulles International Airport.
Whether you call a car, arrange for an airport shuttle, or park and fly, it’s easy to depart from Washington Dulles International Airport on Southwest®. Your wanderlust is calling you away from the D.C./Baltimore area—where will it take you? Explore everywhere you can fly when you depart from Dulles with Southwest.
Trade national monuments and the Smithsonian museums for new cultural landmarks. The banks of the Potomac are beautiful, but there are plenty of gorgeous shores outside of Virginia—try the Great Lakes, the Gulf Coast, or digging your toes into the beach sands on either coast. The Blue Ridge Mountains are breathtaking, but so are the Rockies and the Sierra Nevada mountains. Whether you yearn for the bright lights of a big city or the small-town charms of an out-of-the-way place, Southwest has the destination options to get you there.
Details about Dulles International Airport

† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 10/1/2025 and 10/31/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 10/1/2025 and 10/31/2025.
Popular Destinations from Washington, D.C. (Dulles)
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Washington, D.C. (Dulles) (IAD) | Denver (DEN) | One-way / Basic | Depart: 02/17/2026 | From $82 Seen: 3 hrs ago | |
| Washington, D.C. (Dulles) (IAD) | Las Vegas (LAS) | One-way / Basic | Depart: 01/21/2026 | From $77 Seen: 3 hrs ago | |
| Washington, D.C. (Dulles) (IAD) | Phoenix (PHX) | One-way / Basic | Depart: 02/04/2026 | From $79 Seen: 3 hrs ago | |
| Washington, D.C. (Dulles) (IAD) | Los Angeles (LAX) | One-way / Basic | Depart: 01/20/2026 | From $82 Seen: 2 hrs ago | |
| Washington, D.C. (Dulles) (IAD) | Dallas (Love Field) (DAL) | One-way / Basic | Depart: 03/04/2026 | From $122 Seen: 22 minutes ago | |
| Washington, D.C. (Dulles) (IAD) | Houston (Hobby) (HOU) | One-way / Basic | Depart: 01/18/2026 | From $110 Seen: 15 minutes ago | |
| Washington, D.C. (Dulles) (IAD) | Salt Lake City (SLC) | One-way / Basic | Depart: 01/21/2026 | From $85 Seen: 13 minutes ago | |
| Washington, D.C. (Dulles) (IAD) | San Francisco (SFO) | One-way / Basic | Depart: 01/21/2026 | From $92 Seen: 2 hrs ago |
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
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