Southwest® flights to San Diego starting at $29
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Popular flights to San Diego on Southwest Airlines
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flight_land
$
Sacramento (SMF)to
San Diego (SAN)Depart: 01/01/2026
From
$74
Seen: 10 hrs ago
One-way
Basic
San Jose, CA (SJC)to
San Diego (SAN)Depart: 12/31/2025
From
$59
Seen: 59 minutes ago
One-way
Basic
Oakland (OAK)to
San Diego (SAN)Depart: 12/11/2025
From
$119
Seen: 8 hrs ago
One-way
Basic
Phoenix (PHX)to
San Diego (SAN)Depart: 01/03/2026
From
$59
Seen: 18 hrs ago
One-way
Basic
Denver (DEN)to
San Diego (SAN)Depart: 01/04/2026
From
$69
Seen: 20 hrs ago
One-way
Basic
San Francisco (SFO)to
San Diego (SAN)Depart: 01/02/2026
From
$74
Seen: 23 hrs ago
One-way
Basic
Las Vegas (LAS)to
San Diego (SAN)Depart: 12/31/2025
From
$59
Seen: 17 hrs ago
One-way
Basic
Dallas (Love Field) (DAL)to
San Diego (SAN)Depart: 01/03/2026
From
$189
Seen: 2 hrs ago
One-way
Basic
Chicago (Midway) (MDW)to
San Diego (SAN)Depart: 01/04/2026
From
$109
Seen: 9 hrs ago
One-way
Basic
Austin (AUS)to
San Diego (SAN)Depart: 01/02/2026
From
$139
Seen: 10 hrs ago
One-way
Basic
Baltimore/Washington (BWI)to
San Diego (SAN)Depart: 01/01/2026
From
$159
Seen: 23 hrs ago
One-way
Basic
Houston (Hobby) (HOU)to
San Diego (SAN)Depart: 01/04/2026
From
$253
Seen: 9 hrs ago
One-way
Basic
Nashville (BNA)to
San Diego (SAN)Depart: 01/04/2026
From
$225
Seen: 1 hour ago
One-way
Basic
Kansas City (MCI)to
San Diego (SAN)Depart: 12/25/2025
From
$135
Seen: 11 hrs ago
One-way
Basic
St. Louis (STL)to
San Diego (SAN)Depart: 01/01/2026
From
$199
Seen: 7 hrs ago
One-way
Basic
Reno/Tahoe (RNO)to
San Diego (SAN)Depart: 12/25/2025
From
$114
Seen: 10 hrs ago
One-way
Basic
Salt Lake City (SLC)to
San Diego (SAN)Depart: 01/01/2026
From
$89
Seen: 19 hrs ago
One-way
Basic
San Antonio (SAT)to
San Diego (SAN)Depart: 12/22/2025
From
$224
Seen: 21 hrs ago
One-way
Basic
Albuquerque (ABQ)to
San Diego (SAN)Depart: 12/25/2025
From
$186
Seen: 3 hrs ago
One-way
Basic
Portland, OR (PDX)to
San Diego (SAN)Depart: 01/02/2026
From
$130
Seen: 9 hrs ago
One-way
Basic
*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.
Visit San Diego
Can’t-miss Things to Do in San Diego
- Balboa Park: Spend a day exploring this sprawling cultural oasis that features gardens, museums, and the San Diego Zoo
- La Jolla Cove: Explore this picturesque coastal spot perfect for snorkeling, kayaking, and spotting marine life
- Gaslamp Quarter: Stroll this lively historic district famous for its Victorian-style architecture, dining, and vibrant nightlife
Best Parks in San Diego
- Waterfront Park: Take in scenic vistas, splash in fountains, and spread out for a picnic in the heart of downtown San Diego
- Mission Trails Regional Park: Trek to this ideal hiking spot in San Diego boasting more than 60 miles of trails and stunning natural landscape views
Museums and Cultural Events in San Diego
- San Diego Museum of Art: Located in Balboa Park, here you can peruse an expansive collection of artistic masterpieces
- USS Midway Museum: Get a unique look at naval history at this aircraft-carrier-turned-museum
- San Diego Museum of Us: Explore anthropology exhibits that illuminate cultural experiences from around the globe
Details about San Diego International Airport
Airport code:
SAN
City:
San Diego
State:
California
Concourse:
Terminal 1
Gates:
Gates 1, 1a, 2-11
Airport-provided WiFi
Cities with weekly flights from SAN:
119†
Cities with daily nonstop flights Monday through Friday from SAN:
33‡
Cities with daily nonstop flights Saturday through Sunday from SAN:
67§
† 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.
Find cheap flights to San Diego
flight_takeoff
flight_land
$
Sacramento (SMF)to
San Diego (SAN)
Depart: 02/03/2026
One-way
Basic
From
$29
Seen: 10 hrs ago
San Jose, CA (SJC)to
San Diego (SAN)
Depart: 01/31/2026
One-way
Basic
From
$29
Seen: 1 hour ago
Las Vegas (LAS)to
San Diego (SAN)
Depart: 01/21/2026
One-way
Basic
From
$37
Seen: 2 minutes ago
San Francisco (SFO)to
San Diego (SAN)
Depart: 01/31/2026
One-way
Basic
From
$39
Seen: 21 hrs ago
Phoenix (PHX)to
San Diego (SAN)
Depart: 01/14/2026
One-way
Basic
From
$45
Seen: 21 minutes ago
Denver (DEN)to
San Diego (SAN)
Depart: 03/05/2026
One-way
Basic
From
$49
Seen: 7 hrs ago
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