Frontier Airlines has begun service from Little Rock to Denver and a Clinton National Airport spokesman says demand has proved sufficient to expand the service from three to four days a week beginning April 9.

Denver is a major hub for western destinations, including to international cities.

Some flights are available as low as $49 at

Frontier operates a fleet of Airbus A320 planes. It aims at offering lower fares and a “pleasant” experience flying. There a range of options for tickets, including bags and seat selection and what it calls the Works bundle — “full refundability, a carry-on bag, a checked bag, the best available seat (including exit rows and Stretch seating), waived change fees and priority boarding for as low as $59 each way.”