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Book cheap flights from Washington, D.C. (Dulles) to San Diego with Southwest Airlines®. It’s easy to find the Washington Dulles International Airport to San Diego International Airport flight to make your booking and travel a breeze. Whether you’re traveling for business or pleasure, solo or with the whole family, you’ll enjoy flying Southwest®. Have flexible travel dates? Plug them into the Low Fare Calendar and see the lowest fares available within your travel window. You may also want to browse Southwest Vacations® to see special offers and package deals on flights, hotels, rental cars, and more.
Explore your options and book your Washington, D.C. (Dulles) to San Diego flight with Southwest today!
Departing from: Washington Dulles International Airport (IAD)
Arriving at: San Diego International Airport (SAN)
Flights before noon
Flight after 6pm
Other popular flights from Washington, D.C.
|Orange County/Santa Ana (SNA)||Long Beach, CA (LGB)|
|Ontario/LA (ONT)||Los Angeles (LAX)|
Start packing! Every ticketed Customer’s first two checked bags are free. Learn more.
Arrive 3 miles northwest of downtown San Diego to begin your Southern California adventure.
At Southwest, we know it takes more than great deals on San Diego airfares and convenient scheduling options to make your trip memorable. So from booking to boarding, we offer services and features designed to make your travel from Washington, D.C. (Dulles) to San Diego the best it can be. Find out more about the Southwest Experience before you book your Washington Dulles International Airport to San Diego International Airport flight.
Flying with Southwest is simple and fun, no matter which of our dozens of exciting destinations you choose. And when you search for your next flight to San Diego, you know you won’t be surprised at checkout. Low fares, no hidden fees. That’s our Transfarency® promise. And, as always, bags fly free. Enroll in our Click 'N Save® emails and stay up to date on our latest flight deals. Looking for tours, activities, and more hidden gems to add to your San Diego adventure? Explore Southwest Airlines Experiences and earn Rapid Rewards when you book.
1First and second checked bags. Weight and size limits apply.
2Fare difference may apply.