Earn 50,000 Miles after qualifying activity. Plus $0 Intro Annual Fee, then $99.
Terms Apply.
Flights to San Diego, CA
expand_more
1 Traveler
expand_morePromo Code
expand_moretoday
today
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
flight_takeoff
flight_land
$
Denver, CO (DEN)To
San Diego, CA (SAN)Departing Apr 28, 2026
From
$19
Last seen: 12 hours ago
One-way
Discount Den Basic Fare
Dallas, TX (DFW)To
San Diego, CA (SAN)Departing May 5, 2026
From
$33
Last seen: 1 hour ago
One-way
Discount Den Basic Fare
Phoenix, AZ (PHX)To
San Diego, CA (SAN)Departing Apr 28, 2026
From
$19
Last seen: 6 hours ago
One-way
Discount Den Basic Fare
Las Vegas, NV (LAS)To
San Diego, CA (SAN)Departing May 7, 2026
From
$24
Last seen: 14 hours ago
One-way
Discount Den Basic Fare
San Francisco, CA (SFO)To
San Diego, CA (SAN)Departing May 19, 2026
From
$19
Last seen: 1 hour ago
One-way
Discount Den Basic Fare
Salt Lake City, UT (SLC)To
San Diego, CA (SAN)Departing Apr 20, 2026
From
$19
Last seen: 13 hours ago
One-way
Discount Den Basic Fare
Austin, TX (AUS)To
San Diego, CA (SAN)Departing May 11, 2026
From
$33
Last seen: 7 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
flight_takeoff
flight_land
$
From | To | |||
|---|---|---|---|---|
| Denver, CO (DEN) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing May 5, 2026 | From $19 Last seen: 10 hours ago |
| Dallas, TX (DFW) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing May 5, 2026 | From $33 Last seen: 1 hour ago |
| Phoenix, AZ (PHX) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing May 11, 2026 | From $19 Last seen: 2 hours ago |
| Las Vegas, NV (LAS) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing May 7, 2026 | From $24 Last seen: 14 hours ago |
| San Francisco, CA (SFO) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing May 19, 2026 | From $19 Last seen: 1 hour ago |
| Salt Lake City, UT (SLC) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing May 4, 2026 | From $19 Last seen: 1 hour ago |
| Austin, TX (AUS) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing May 11, 2026 | From $33 Last seen: 7 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®.