Flight
Denver airport has less expensive and more flexible flight options, however you'll need to rent a car (venue is ~80 miles away) or use a ride share service.
Flight
COS is a smaller airport serving all major airlines and is ~20 miles from the venue.
Hotel
Wedding site hotel. Standard rate for King or Double Queen is ~$260/night (taxes/fees incl). Room block pricing matches their website pricing, so no room block will be used. Some guests are finding cheaper rates on 3rd party websites like hotels.com
Hotel
Recommended offsite hotel. Standard rate for King or Double Queen is ~$150/night (taxes/fees incl).