Cheap flights from Denver, CO to San Diego, CA
Flights starting at $51. Choose between Frontier Airlines, Spirit Airlines, or United Airlines to find the best price.
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Cheapest one-way trip | $89 |
|---|---|
Cheapest round-trip | $210 |
Includes rare itinerary | Travel hack |
Nonstop flights in December | $73 – $361 |
Most popular airline | Frontier Airlines |
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Travelers usually depart from Denver International, or Denver Union Station when they travel from Denver to San Diego. Book your trip to arrive at San Diego International, San Diego, CA - Old Town, San Diego, CA - La Jolla, San Diego, CA - Seaport Village, or San Diego-SDSU Transit Center. The distance between Denver and San Diego is 1372 km. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, United Airlines, American Airlines, and Alaska Airlines. Denver and San Diego have 200 direct flights per week.
Weekly direct flights
Discover the top airlines offering direct flights from Denver to San Diego in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Sun 26.11 - Sat 02.12
| Airline | Sun 26.11 | Mon 27.11 | Tue 28.11 | Wed 29.11 | Thu 30.11 | Fri 01.12 | Sat 02.12 |
|---|---|---|---|---|---|---|---|
| 5 | 7 | 2 | 4 | 6 | 6 | 5 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Weekly direct flights for Sun 03.12 - Sat 09.12
| Airline | Sun 03.12 | Mon 04.12 | Tue 05.12 | Wed 06.12 | Thu 07.12 | Fri 08.12 | Sat 09.12 |
|---|---|---|---|---|---|---|---|
| 6 | 6 | 5 | 6 | 3 | 3 | 5 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Weekly direct flights for Sun 10.12 - Sat 16.12
| Airline | Sun 10.12 | Mon 11.12 | Tue 12.12 | Wed 13.12 | Thu 14.12 | Fri 15.12 | Sat 16.12 |
|---|---|---|---|---|---|---|---|
| 6 | 7 | 6 | 6 | 6 | 6 | 5 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Weekly direct flights for Sun 17.12 - Sat 23.12
| Airline | Sun 17.12 | Mon 18.12 | Tue 19.12 | Wed 20.12 | Thu 21.12 | Fri 22.12 | Sat 23.12 |
|---|---|---|---|---|---|---|---|
| 5 | 6 | 5 | 6 | 5 | 5 | 5 | |
| 1 | 1 | 2 | 2 | 2 | 2 | 2 |
Check-in for a flight from Denver to San Diego
| Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
|---|---|---|---|---|
| Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
| Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
| United Airlines | UAL | UA | Yes | No |
| American Airlines | AAL | AA | No | No |
| Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
Frequently asked questions
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Airports near Denver
- Denver International
- Colorado Springs
- Pueblo Memorial
- Aspen–Pitkin County
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- Eagle County Regional
- Cheyenne Regional
- Laramie Regional
- Gunnison–Crested Butte Regional