Frontier Airlines is running one of those crazy 20 buck sales.
There are plenty of routes included such as Denver to Reno, Oklahoma City and Las Vegas. There are many other routes on sale too, for example: Austin to New Orleans, Cincinnati to Atlanta and Atlanta to Orlando. It’s definitely worth checking out.
Tickets must be purchased by 11:59 pm Eastern time on Feb. 25, 2018 for nonstop domestic travel Tuesdays and Wednesdays through May 23, 2018. 7 day advance purchase required.
Fares are one way and do not require roundtrip purchase.
These fares are for Discount Den members. The fare for non-members looks to be about $9 more.