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Flights to San Diego, CA
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Traveling to San Diego, CA
The Birthplace of California
Fly to San Diego and experience that laid-back, friendly California vibe, and great fun on its beautiful beaches. From surfing to hiking to segway and bike tours, there’s no limit to ways that you can enjoy this city.
Where Locals Go
Balboa Park
San Diego Zoo
Ironside Fish & Oyster
Los Cuatro Milpas
Best Deals on Flights to San Diego, CA
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Denver, CO (DEN)To
San Diego, CA (SAN)Departing Feb 11, 2026
From
$19
Last seen: 15 hours ago
One-way
Discount Den Basic Fare
Dallas, TX (DFW)To
San Diego, CA (SAN)Departing Jan 9, 2026
From
$33
Last seen: 16 hours ago
One-way
Discount Den Basic Fare
San Francisco, CA (SFO)To
San Diego, CA (SAN)Departing Dec 15, 2025
From
$19
Last seen: 1 hour ago
One-way
Discount Den Basic Fare
Phoenix, AZ (PHX)To
San Diego, CA (SAN)Departing Jan 2, 2026
From
$19
Last seen: 8 hours ago
One-way
Discount Den Basic Fare
Las Vegas, NV (LAS)To
San Diego, CA (SAN)Departing Jan 1, 2026
From
$19
Last seen: 10 hours ago
One-way
Discount Den Basic Fare
Sacramento, CA (SMF)To
San Diego, CA (SAN)Departing Dec 12, 2025
From
$37
Last seen: 2 hours ago
One-way
Discount Den Basic Fare
*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.
Best Flight Deals to San Diego, CA with Frontier
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From | To | |||
|---|---|---|---|---|
| Denver, CO (DEN) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing Feb 11, 2026 | From $19 Last seen: 15 hours ago |
| Dallas, TX (DFW) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing Jan 9, 2026 | From $33 Last seen: 16 hours ago |
| San Francisco, CA (SFO) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing Dec 15, 2025 | From $19 Last seen: 1 hour ago |
| Phoenix, AZ (PHX) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing Jan 2, 2026 | From $19 Last seen: 8 hours ago |
| Las Vegas, NV (LAS) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing Jan 1, 2026 | From $19 Last seen: 10 hours ago |
| Sacramento, CA (SMF) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing Mar 1, 2026 | From $50 Last seen: 4 hours ago |
*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.