Southwest® flights from San Diego starting at $29
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Book flights from San Diego with Southwest Airlines
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$
San Diego (SAN)to
Sacramento (SMF)Depart: 01/28/2026
From
$29
Seen: 14 hrs ago
One-way
Basic
San Diego (SAN)to
San Jose, CA (SJC)Depart: 01/24/2026
From
$29
Seen: 10 hrs ago
One-way
Basic
San Diego (SAN)to
Las Vegas (LAS)Depart: 01/06/2026
From
$37
Seen: 1 hour ago
One-way
Basic
San Diego (SAN)to
Phoenix (PHX)Depart: 02/21/2026
From
$39
Seen: 4 hrs ago
One-way
Basic
San Diego (SAN)to
San Francisco (SFO)Depart: 01/27/2026
From
$39
Seen: 18 hrs ago
One-way
Basic
San Diego (SAN)to
Salt Lake City (SLC)Depart: 01/21/2026
From
$42
Seen: 27 minutes ago
One-way
Basic
San Diego (SAN)to
Denver (DEN)Depart: 01/08/2026
From
$45
Seen: 33 minutes ago
One-way
Basic
San Diego (SAN)to
Chicago (Midway) (MDW)Depart: 01/28/2026
From
$46
Seen: 23 minutes ago
One-way
Basic
San Diego (SAN)to
Spokane (GEG)Depart: 01/21/2026
From
$52
Seen: 9 minutes ago
One-way
Basic
San Diego (SAN)to
Austin (AUS)Depart: 02/18/2026
From
$52
Seen: 47 minutes ago
One-way
Basic
San Diego (SAN)to
Boise (BOI)Depart: 01/24/2026
From
$56
Seen: 1 hour ago
One-way
Basic
San Diego (SAN)to
Portland, OR (PDX)Depart: 01/06/2026
From
$57
Seen: 13 minutes 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.
Traveling from San Diego
No matter if you’re looking for a weekend getaway or family vacation, Southwest Airlines can take you there from San Diego International Airport. Though it may feel like you’re on vacation year-round in sunny San Diego, that doesn’t mean that there aren’t other incredible destinations out there to explore. And with great deals on Southwest flights, you can plan your perfect vacation without breaking the bank.
Perhaps the SoCal vibes are just too chill for you and you’re looking for the hustle and bustle of a city where there’s something new to see on every corner. Perhaps you’re looking to trade in your swimsuit for a snowsuit and venture to the slopes to practice balancing on something other than a surfboard. Maybe your idea of the perfect vacation is a trip further up the Pacific coastline where the climate is more temperate and you and the family can unplug for a while and spend time together on the trails.
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:
120†
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.
Popular Destinations from San Diego
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Diego (SAN) | Las Vegas (LAS) | One-way / Basic | Depart: 01/06/2026 | From $37 Seen: 1 hour ago | |
| San Diego (SAN) | Sacramento (SMF) | One-way / Basic | Depart: 03/10/2026 | From $29 Seen: 19 hrs ago | |
| San Diego (SAN) | San Jose, CA (SJC) | One-way / Basic | Depart: 01/20/2026 | From $29 Seen: 14 hrs ago | |
| San Diego (SAN) | Phoenix (PHX) | One-way / Basic | Depart: 03/18/2026 | From $39 Seen: 7 hrs ago | |
| San Diego (SAN) | Oakland (OAK) | One-way / Basic | Depart: 01/27/2026 | From $60 Seen: 54 minutes ago | |
| San Diego (SAN) | San Francisco (SFO) | One-way / Basic | Depart: 01/27/2026 | From $39 Seen: 18 hrs ago | |
| San Diego (SAN) | Denver (DEN) | One-way / Basic | Depart: 01/08/2026 | From $45 Seen: 33 minutes ago | |
| San Diego (SAN) | Honolulu (Oahu) (HNL) | One-way / Basic | Depart: 01/12/2026 | From $94 Seen: 41 minutes 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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12022–2023 Freddie Awards. 2Where available. Available only on WiFi-enabled designated aircraft. Free WiFi is only for Rapid Rewards® Members.
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