Take a break from the Emerald City to spend some time in sunny San Diego. Southwest Airlines® offers flights from Seattle-Tacoma International Airport to San Diego International Airport with all the perks, plus no hidden fees. Plan your trip to San Diego with Southwest® and find flights that will make you feel like you’ve won the airfare jackpot. Are your travel plans flexible? Search for flights with our Low Fare Calendar and check out the lowest fares we’ve got. Before you go, don’t forget to explore Southwest Vacations® for package deals on flights, hotels, rental cars, and more.
Discover Seattle/Tacoma to San Diego flights and book today!
Departing from | Seattle-Tacoma International Airport (SEA) |
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Arriving at | San Diego International Airport (SAN) |
Distance | 1050 miles |
69* | Weekly flights |
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Other popular flights from Seattle/Tacoma:
View our interactive map*Weekly flights based on DOT published scheduled average flights Monday through Sunday between 3/1/2024 and 3/31/2024. Note: route may not operate every day of the week.
Imagine yourself in San Diego, California—and then make it happen! Whether you’re visiting for business, pleasure, or a mix of both, Southwest offers a variety of travel options to help you transform your California dream into a reality. San Diego is located in the southernmost region of the state along the bucolic, surfer-friendly Pacific coastline. The weather here is warm and inviting, with temperatures averaging in the 70s year round. But believe it or not, San Diego holds a few gems that outshine the sunshine. From stunning beaches with breathtaking views to an exceptional restaurant scene and more, San Diego delights visitors and residents alike with its irresistible charm, making it hard to ever leave.
Explore San Diego’s top sites during your trip. For starters, this city is home to the world-famous San Diego Zoo. See the zoo during your trip, and learn the stories of more than 3,700 animals. If you’re an ocean and/or history lover, San Diego’s Maritime Museum is a must see. At the museum, you can explore the decks of The Star of India, the world’s oldest active sailing ship.
Maybe you’re in the mood to chill and relax during your trip. If so, San Diego is the right place for that. Spend a day at one of San Diego’s beaches to soak up some sun—and some of the most beautiful coastal views the country has to offer. Looking for a bite to eat? The restaurant scene is exceptional. Just a stone’s throw from Mexico, it’s no surprise that you can find delicious Mexican cuisine in San Diego, ranging from high-end to casual restaurants. Before your trip ends, make sure to visit Balboa Park. With 16 museums, multiple performing art centers, trails, gardens, and more, Balboa Park is an excellent spot for families, solo travelers, and so much more.
One child over 14 days and under two (2) years of age, not occupying a seat, may be carried free of charge when traveling with an adult (12 years of age or older). Learn more.
Customers flying with a pet are subject to a pet fare. To learn more about traveling with your furry friend, explore the Southwest® pet policy.
Minors under the age of 18 are not permitted to fly unaccompanied on international flights or any itinerary that includes an international flight. 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 Seattle/Tacoma to San Diego the best it can be. Learn more about the Southwest® travel experience before you book your flight from Seattle-Tacoma International Airport to San Diego International Airport.
Flying with Southwest is simple and fun, no matter which of our dozens of exciting destinations you choose. When you search for your next flight to San Diego, know that you won’t be surprised at checkout. Low fares and no hidden fees. That's Transfarency®. And as always, two bags fly free®1. Want the latest news, information, and promotional offers from Southwest? Sign up to receive email from us. Book your flight today and know that you'll earn Rapid Rewards® points when you fly.
1First and second checked bags. Weight and size limits apply.
2Fare difference may apply.
3Failure to cancel a reservation at least 10 minutes prior to departure may result in forfeited Travel Funds.
4Flight credits unexpired on or created on or after July 28, 2022, do not expire and will show an expiration date until our systems are updated. See full details here.
5Where available. Available only on WiFi-enabled aircraft. Limited-time offer.
6Due to licensing restrictions, on WiFi-enabled international flights, free live TV and iHeartRadio may not be available for the full duration of flight.
7Internet access for $8 per device from takeoff to landing. Price is subject to change. May not be available for the full duration of flight. In order to provide a top-notch Internet experience, we prohibit access to certain high-bandwidth applications and websites. We also prohibit access to certain obscene or offensive content.