Flights from Dulles with Southwest Airlines®.

Book your next flight departing from Washington Dulles International Airport and let your wanderlust take you to somewhere new.

disinfectant spray

Face coverings

air filter

Tripadvisor has rated us #1.

Best Airline in the U.S. and North America & Best Economy Class and Low Cost Airline in North America.

Travel Advisory

During the ongoing COVID-19 pandemic, the availability, health and safety procedures, operations, and schedules for local attractions are changing constantly. Please contact attractions directly for hours of operation, potential temperature screenings, and other possible health and safety procedures and restrictions. Visit our Coronavirus Travel Information page for information about potential restrictions on air travel.

Traveling from 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.

Start your next adventure away from the D.C./Baltimore area by booking your next flight out of Washington Dulles International Airport on Southwest Airlines. Discover all your destination options when departing from Dulles and check out exciting trip add-ons from Southwest Airlines® Experiences—and earn Rapid Rewards® points when you fly. The booking process will be straightforward from flight selection to checkout to boarding. Learn more about what makes the Southwest® Experience different.

Other airports in the D.C./Baltimore Area.

Want to depart from another airport Southwest serves? Consider booking a flight from Ronald Reagan Washington National Airport or Baltimore/Washington International Airport/Thurgood Marshall.

Where you can fly from Dulles.

Plan your ideal trip from Dulles.

San Francisco (SFO)

Wade into the adventure that awaits you in Golden Gate City. Enjoy West Coast vibes—book your flight to San Francisco today and get ready to be wowed by the City by the Bay.

Read more
Chicago (Midway)

The hustle and bustle of the City of the Big Shoulders awaits. Enjoy a world class city filled with Midwest nice people—start your Chicagoland adventure.

Read more

Experience otherworldly theme parks or enjoy the down to earth vibes in this Central Florida city that’s the perfect steppingstone for once in a lifetime day trips.

Read more

Stroll tree lined streets in the sprawling City in a Forest, a hospitable Southern belle that’s home to cutting edge culinary stars, world class centers for the fine arts, and so much more.

Read more
Boston Logan

Pack your bags and head to Bean Town! This city of firsts blends innovation with plenty of history to explore during your stay.

Read more
New York (LaGuardia)

Start planning your trip to the Big Apple by booking a flight into LaGuardia Airport.

Read more
Ft. Lauderdale

Soak up the sun in the Venice of America! Take a trip to the southeast coast of Florida to enjoy promenades and boardwalks or stunning tours of the Everglades.

Read more

Take in the Sunshine State from this Gulf Coast city, the jewel of the Tampa Bay area.

Read more
Check out our Route Tool for a full list of Southwest® destinations in every region.
Washington, D.C. (Dulles), DC to

departing on

one-way starting at

Book now
Find low fares from Washington, D.C. (Dulles).
Washington, D.C. (Dulles), DC to Orlando, FL

departing on 2/7

one-way starting at

Book now
Washington, D.C. (Dulles), DC to Cincinnati, KY

departing on 3/11

one-way starting at

Book now
Washington, D.C. (Dulles), DC to Providence, RI

departing on 4/12

one-way starting at

Book now
Washington, D.C. (Dulles), DC to Louisville, KY

departing on 4/12

one-way starting at

Book now
Washington, D.C. (Dulles), DC to Boston Logan, MA

departing on 3/11

one-way starting at

Book now
Washington, D.C. (Dulles), DC to Charlotte, NC

departing on 4/13

one-way starting at

Book now
See all our low fares from Washington, D.C. (Dulles).

Points bookings do not include taxes, fees, and other government/airport charges of at least $5.60 per one-way flight.

Seats and days are limited. Fares may vary by destination, flight, and day of week and won't be available on some flights that operate during very busy travel times and holiday periods.

Fares may be combined with other Southwest Airlines® combinable fares. If combining with other fares, the most restrictive fare's rules apply.

Fares are nonrefundable but may be applied toward future travel on Southwest Airlines®, as long as reservations are canceled at least ten minutes prior to the scheduled departure. Failure to cancel prior to departure will result in forfeiture of remaining funds on the reservation.

Any change in itinerary may result in an increase in fare. Standby travel may require an upgrade to the Anytime fare depending on Rapid Rewards® tier status.

Fares are subject to change until ticketed.

Offer applies only to published, scheduled service.

Got flexible travel plans?

Use our Low Fare Calendar to find the lowest fares on flights from Dulles available inside your travel window.

Find flights

Plan your trip from Dulles.

Rent a car.

Earn Rapid Rewards points on your next rental car.

Rent a car

Book a hotel.

Find deals for any season.

Book a hotel

Plan a vacation.

Southwest Vacations® offers tons of vacation packages with amazing travel deals.

Create a vacation package

Details about Washington Dulles International Airport.

Airport code:IAD

City:Washington, D.C.

State:District of Columbia

Main Terminal

Gates B 50, 64

Airport-provided WiFi


Cities served nonstop daily from IAD*


Cities served daily from IAD*

*Based on DOT published scheduled average flights Monday-Friday between 12/11/2020 and 2/28/2021, as of 12/11/2020.

Why fly Southwest?

Bags fly free®1

Your bags fly free, because nothing should be left behind. So pack up without paying up with our two free checked bags.

No change fees2

Think your plans may change? Don’t sweat it. We don’t charge you fees to change your mind2.

Gate to gate WiFi3

Surf the web from origin to destination with gate-to-gate WiFi on your flight. Bring your device, and for $8 the internet will make time fly by on all our flights.

Fly in comfort

Southwest seats give you up to a 31-inch pitch, 17-inch width, and 2-inch recline, which all adds up to a more comfortable flight.

100% free entertainment.

Boredom doesn’t fly with us. So on your flight, watch a movie3 for free. Just one way we make getting to your destination as nice as being there. Well...almost.

Southwest passenger using phone

Your trip comes with low fares and no hidden fees. That's Transfarency®.

We want to make your trip special, so we're taking everything you love about Southwest and bringing it all to your travels. Get everything Transfarency has to offer on your next trip, only with Southwest.

Southwest Airlines employee laughing

Join Rapid Rewards, our award-winning frequent flyer program4.

Southwest Rapid Rewards lets you use your points on any flight you choose. No restrictions. Sign up and see why it’s been named the best rewards program five years running4.

Sign up now

100% reward availability5.

You can use your points to book any seat, on any flight, no exceptions. Any day, any time, any flight, your points are ready to take you to where you want to go.


No blackout dates.

If there’s a seat available on a Southwest flight, you can use your points. It’s that easy. So no matter when you want to get away, you can use your points to get you there. As long as we have a spot available on a flight, you can book it with your Southwest Rapid Rewards points.


Your points don’t expire.

No matter when you earn them, they’ll be there for you to redeem on your flight to anywhere you want to go.


Rapid Rewards. Rapid redemption.

You can earn points on flights and on everyday purchases with our partners, which makes getting to our destinations easy. And our reward flights are based on our low fares, so the lower the fare, the fewer points you have to use. It’s almost like we want you to have the trip of a lifetime.


1First and second checked bags. Weight and size limits apply.

2Fare difference may apply.

3Download the Southwest® app to view movies and on-demand content. Inflight messaging only allows access to iMessage and WhatsApp. Apps must be downloaded before the flight. Internet access for $8 a day per device on WiFi-enabled aircraft. Price is subject to change. May not be available for the full duration of flight. Prohibits access to high-bandwidth applications and websites, including Netflix, HBO GO® and VoIP, along with certain obscene/offensive content.

42016-2020 Freddie Awards.

5As reported in the CarTrawler Reward Seat Availability Survey, May 16, 2019, and Switchfly Reward Seat Availability Surveys 2010 – 2019, at