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DENVER (Aug. 25, 2005) – Frontier Airlines (Nasdaq: FRNT) today announced that it has filed an application with the U.S. Department of Transportation (DOT) for authorization to expand its Mexico service by offering non-stop service to Cancun (CUN) from Indianapolis with three flights per week.

Frontier currently offers service to six destinations in Mexico and is awaiting approval from the DOT for its seventh destination, Acapulco. The Indianapolis to Cancun service would be Frontier's fifth domestic market with non-stop service to Mexico. In addition, Frontier offers three flights each day from Indianapolis to Denver, providing connecting service to Cabo San Lucas, Mazatlan, Puerto Vallarta, Ixtapa/Zihuatanejo (seasonal), and Frontier's many domestic destinations.

"Indianapolis has historically been a great market for Frontier, so we know that Hoosiers understand the value proposition of great service and affordable fares," said John Happ, Senior Vice President of Marketing and Planning. "What makes this such a great opportunity for Frontier is that we have analyzed the data and we know that there is pent-up demand for non-stop service to Cancun. The current service to Cancun is woefully inadequate for a market like Indianapolis and we are hopeful that we will have the opportunity to not only fill that need, but do it with a product that is very complementary to a fun and relaxing destination such as Cancun."

"The Indianapolis Airport strongly supports and recommends Frontier Airlines for this service as we believe Frontier will appropriately utilize this authority to help meet the demands of the traveling public," said Patrick Dooley, Airport Director. "Frontier will offer multiple weekly departures, helping balance supply and demand while creating competition in the market place, and they will do it with brand new aircraft, 24 channels of DIRECTV in every seat back and a level of customer service that meets the needs of Indianapolis travelers."

If granted authority from the DOT, the Indianapolis to Cancun service would begin in the first quarter of 2006.

About Frontier
Currently in its 12th year of operations, Denver-based Frontier Airlines is the second largest jet service carrier at Denver International Airport, employing approximately 4,550 aviation professionals. With 49 aircraft and the youngest Airbus fleet in North America, Frontier offers 24 channels of DIRECTV® service in every seatback along with 33 inches of legroom in an all coach configuration. In conjunction with Frontier JetExpress operated by Horizon Air, Frontier operates routes linking its Denver hub to 46 destinations in 29 states spanning the nation from coast-to-coast and to five cities in Mexico. Frontier's maintenance and engineering department has received the Federal Aviation Administration's highest award, the Diamond Certificate of Excellence, in recognition of 100 percent of its maintenance and engineering employees completing advanced aircraft maintenance training programs, for six consecutive years. In July 2005, Frontier ranked as one of the "Top 10 Domestic Airlines" as determined by readers of Travel + Leisure magazine. Frontier provides capacity information and other operating statistics on its Web site, which may be viewed at www.frontierairlines.com.