Spirit Airlines offers 50 flights from Los Angeles to Denver for under $300. Prices vary by date and time. To see all prices and select your dates, click here.
The average rating from 762 Spirit Airlines reviews by Cheapflights users is 5.8 (out of a maximum rating of 10). If you are considering flying LAX-DEN with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Denver with Spirit Airlines.