Starting 7/7/18, Frontier Airlines is adding routes East and West Coast that are mainly underserved. All routes will utilize a BigBus. See Below..
AUS SLC 7/7/18 2x weekly
DEN SMF 8/3/184x weekly
DEN SBA 8/21/18 3x weekly
LAS SMF 8/12/18 3x weekly
RDU DTW 7/8/18 3x weekly
