Lowest Priced Flights to San Diego on Alaska Airlines starting at $16*
Most popular flights to San Diego on Alaska Airlines.*
Seattle (SEA)to
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San Diego (SAN)Portland (PDX)to
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San Diego (SAN)San Jose (SJC)to
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San Diego (SAN)Sacramento (SMF)to
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San Diego (SAN)San Francisco (SFO)to
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San Diego (SAN)Fresno (FAT)to
San Diego (SAN)*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
Top offers for San Diego one-way flights.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Fresno (FAT) | San Diego (SAN) | One-way | Saver | Depart: Mar 11, 2026 | From $49 Seen: 12 hours ago | |
| Fresno (FAT) | San Diego (SAN) | One-way | Saver | Depart: Feb 17, 2026 | From $49 Seen: 8 hours ago | |
| Fresno (FAT) | San Diego (SAN) | One-way | Saver | Depart: Mar 4, 2026 | From $49 Seen: 12 hours ago | |
| Fresno (FAT) | San Diego (SAN) | One-way | Saver | Depart: Feb 25, 2026 | From $49 Seen: 12 hours ago | |
| Fresno (FAT) | San Diego (SAN) | One-way | Saver | Depart: Feb 14, 2026 | From $49 Seen: 3 hours ago | |
| Fresno (FAT) | San Diego (SAN) | One-way | Saver | Depart: Feb 18, 2026 | From $49 Seen: 12 hours ago | |
| Las Vegas (LAS) | San Diego (SAN) | One-way | Saver | Depart: Feb 24, 2026 | From $49 Seen: 8 hours ago | |
| San Jose (SJC) | San Diego (SAN) | One-way | Saver | Depart: May 5, 2026 | From $59 Seen: 17 hours ago | |
| San Jose (SJC) | San Diego (SAN) | One-way | Saver | Depart: Feb 25, 2026 | From $59 Seen: 17 hours ago | |
| San Jose (SJC) | San Diego (SAN) | One-way | Saver | Depart: May 9, 2026 | From $59 Seen: 17 hours ago | |
| San Jose (SJC) | San Diego (SAN) | One-way | Saver | Depart: Mar 3, 2026 | From $59 Seen: 17 hours ago | |
| San Jose (SJC) | San Diego (SAN) | One-way | Saver | Depart: Mar 10, 2026 | From $59 Seen: 17 hours ago | |
| San Jose (SJC) | San Diego (SAN) | One-way | Saver | Depart: Mar 24, 2026 | From $59 Seen: 17 hours ago | |
| Sacramento (SMF) | San Diego (SAN) | One-way | Saver | Depart: May 2, 2026 | From $59 Seen: 17 hours ago | |
| Sacramento (SMF) | San Diego (SAN) | One-way | Saver | Depart: May 19, 2026 | From $59 Seen: 17 hours ago | |
| Sacramento (SMF) | San Diego (SAN) | One-way | Saver | Depart: Mar 7, 2026 | From $59 Seen: 17 hours ago | |
| Sacramento (SMF) | San Diego (SAN) | One-way | Saver | Depart: Mar 11, 2026 | From $59 Seen: 17 hours ago | |
| Sacramento (SMF) | San Diego (SAN) | One-way | Saver | Depart: Mar 17, 2026 | From $59 Seen: 17 hours ago | |
| Sacramento (SMF) | San Diego (SAN) | One-way | Saver | Depart: Mar 24, 2026 | From $59 Seen: 17 hours ago | |
| San Francisco (SFO) | San Diego (SAN) | One-way | Saver | Depart: Apr 19, 2026 | From $59 Seen: 17 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
Plan a trip to San Diego
San Diego is a sun-soaked Southern California city known for its laid-back vibe, stunning beaches, and some of the best tacos you'll find in the United States. Often called “America’s Finest City,” San Diego blends outdoor adventure with urban sophistication. From the historic Gaslamp Quarter to the scenic cliffs of La Jolla, there's a little something for everyone in San Diego. Few cities balance coastal charm and cultural depth quite like San Diego. Come discover it for yourself
Things to do in San Diego
- Relax on the sandy shores of Coronado Beach, Mission Beach, or Pacific Beach.
- Visit the San Diego Zoo and Safari Park, home to thousands of rare and endangered animals.
- Stroll through Balboa Park, a cultural oasis with museums, gardens, and Spanish-inspired architecture.
- Explore the Gaslamp Quarter’s lively nightlife, dining, and historic charm.
- Go tide pooling or kayaking in the sea caves of La Jolla.
- Tour the USS Midway Museum and learn about San Diego’s naval history on a real aircraft carrier.
Best time to travel to San Diego
San Diego is a year-round destination with mild weather, but the best times to visit are spring (March to May) and fall (September to November) when the weather is pleasant, crowds are lighter, and hotel prices are more affordable. Summer brings vibrant beach scenes and festivals, while winter offers a quieter coastal escape with plenty of sunshine.
Flying into San Diego International Airport (SAN)
View airport information for the San Diego International Airport (SAN)