| Nonstop Flights: Austin to/from Las Vegas, Denver, or Orlando $49-$54 r/t [July-August] â Frontier / Spirit Due to the covid-19 pandemic, we do not recommend booking travel with departures before July. This fare has departures later in the year. Frontier and Spirit has round-trip flights from Austin (AUS) to Las Vegas, Denver, or Orlando (LAS, DEN, MCO) for $49-$54, NONSTOP. Las Vegas and Orlando flights July to August. Denver flights July to December. Weekends available. Origin/Destination reversible. Fares do not include a free carry-on bag. Only a small personal item, like a Jansport City Scout backpack is free. You can avoid paying for seat selection if you accept the randomly assigned seat prior to boarding. Note: Frontier/Spirit seats only have 28-inches of pitch; 2-to-3 inches less space than most other airlines. Want a notification sent straight to your phone when any new deals are found? Join our Telegram channel and never miss another deal. Patreon supporters receive a recap of all the airfare deals currently available from Austin and San Antonio everyday. We donât charge a subscription fee. Our deal notifications are available for FREE via Instagram, Facebook, Twitter, Telegram, our Webpage, and our E-mail list. If you are paying someone a subscription fee for this content, you are being ripped off. Read More Nonstop Flights: Austin to/from Las Vegas, Denver, or Orlando $49-$54 r/t [July-August] â Frontier / Spirit . | 
