
Book Cheap Frontier Airlines flight from Denver (DEN) to San Diego (SAN)
Find The Best Day to Book a Cheap Frontier Airlines Flights From Denver to San Diego
Frequently asked questions
Grab a great Frontier Airlines flight from DEN to SAN
To find a great deal on Frontier Airlines flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying Frontier Airlines Denver to San Diego gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with Frontier Airlines between Denver and San Diego
Frontier Airlines has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Denver to San Diego with Frontier Airlines are .
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your Frontier Airlines flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| DEN | USA | Denver Intl. | 13 |
| MCO | USA | Orlando Intl. | 7 |
| CUN | MEX | Cancun Intl. | 6 |
| GDL | MEX | Don Miguel Hidalgo y Costilla Intl. | 5 |
| PHL | USA | Philadelphia Intl. | 2 |
| ORD | USA | O'Hare Intl. | 2 |
| MIA | USA | Miami Intl. | 1 |
| MEX | MEX | Mexico City Intl. | 1 |
| LAS | USA | McCarran Intl. | 1 |
| LAX | USA | Los Angeles Intl. | 1 |
Travelers ❤️ these 🏨 after their flight to San Diego

Sheraton San Diego Resort
"Everything was wonderful about the stay. From check-in to check-out all my needs were taken care of at the highest level. Of special note is the shuttle. If you are primarily at the property, the shittle will provide transportation to the local restaurants and wedding venues and the airport. It is ..."
Reviewed on May 19, 2026

The Sofia Hotel
"Very convenient location. A great value!"
Reviewed on May 19, 2026

Wyndham San Diego Bayside
"Great fitness rooms. Parking fee is a bit too much"
Reviewed on May 18, 2026
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