INDIANAPOLIS--DECEMBER 10, 2012-- Indianapolis fares to Denver and Las Vegas dropped to some of the lowest prices we've seen for travel January-early May. 

Indianapolis roundtrip fares (including tax):

• Denver ... $124-$130 (nonstop, including peak ski season)
• Las Vegas ... $144

These fares are part of a larger Frontier Airlines sale ending tonight at 11:59 p.m. ET. Click below to search using Fly.com's Low Fare Calendars.