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Las Vegas Harry Reid International Airport, one of the busiest airports in the United States, processed over 54 million passengers in 2024. Frontier Airlines maintains a significant presence at this airport, offering numerous routes across the country.
According to data from Cirium, an aviation analytics company, Frontier Airlines' ten longest routes from Las Vegas are detailed for February 2025. The tenth-longest route is to Houston George Bush Intercontinental Airport (IAH), covering 1,222 miles with 19 flights each way. This route sees competition from Spirit Airlines and United Airlines.
The ninth-longest route is to St. Louis Lambert International Airport (STL), spanning 1,372 miles with 23 flights each way. Last year, Las Vegas was a major destination from St. Louis.
