IDAHO FALLS -- Allegiant will soon begin offering nonstop flights between Idaho Falls and Denver.

The airline announced the new option Tuesday, along with over 40 new nonstop routes, including routes to three new cities: Gulf Shores, Alabama; Colorado Springs, Colorado; and Columbia, South Carolina.

The flights will begin in February and expand the airline's network options in 51 cities around the country

"We're excited to announce that Allegiant is expanding nationwide, offering even more travel options to our customers," said Drew Wells, Allegiant's chief commercial officer, said in a news release. "These additions reflect our ongoing commitment to meet customer demand. By connecting more cities, we're making it easier for travelers to visit family and friends, access top leisure destinations, and create new memories."

The new route from Idaho Falls Regional Airport (IDA) to Denver International Airport (DEN) begins May 22 with introductory one-way fares as low as $49.