Nonstop Flights: Austin to/from Orlando, New Orleans, Washington, Salt Lake City, Ontario $29-$32 r/t â Frontier Frontier has round-trip flights from Austin (AUS) to Orlando, New Orleans, Washington, Salt Lake City, Ontario (MCO, MSY, IAD, SLC, ONT) for $29, NONSTOP. Flights vary depending on destination, but most are between November to January. No Holidays. See the full list of example dates on our website for details. Sale will probably end Nov 13. Note: Frontier 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 seats only have 28-inches of pitch; 2-to-3 inches less space than most other airlines. We donât charge a subscription fee. All of our deal notifications are available for FREE via Instagram, Facebook, Twitter, our Webpage, and our E-mail list. If you are paying someone a subscription fee for our content, you are being ripped off. Read More Nonstop Flights: Austin to/from Orlando, New Orleans, Washington, Salt Lake City, Ontario $29-$32 r/t â Frontier . | Read More |