Flight
Denver International Airport (DEN) will be the closest option to Deer Creek Mountain Camp. Travel from DIA to Deer Creek Mountain Camp will be about ~1:20 Colorado Springs Airport (COS) is also an option and would only be an extra ~30 minutes of travel time so it might be worth checking flight prices to see what works better!
Rental Car
We highly suggest getting a rental car to travel to the venue for yourself or a group! There will be plenty of parking at the venue. While you may be able to get Uber/Lyft to the venue. It will be almost impossible to get one back to the airport.
Travel Note
If you are planning on driving to Colorado enjoy the views and plentiful parking at the venue.