Flight
American, Delta, Frontier, Southwest and United all fly to COS (Colorado Springs Airport). Direct flights are available from Atlanta, Chicago, Dallas, Denver, Houston, Las Vegas, Los Angeles, Orlando, Phoenix and Salt Lake City. Most cities have a connecting flight option to COS.
Flight
Alternatively, the Denver Airport is 1.5 hours north of Colorado Springs. Most major airlines will have direct flight options to Denver. A rental car is encouraged if flying into DEN.
Travel Note
Colorado Springs has many house rental options through AirBnb, VRBO, and other rental platforms. For closest proximity to the wedding venue you will want to stay north of the Air Force Academy. Search rental options in both Colorado Springs and Monument, CO.