Discount airlines are rolling out the deals to welcome passengers back on planes.Spirit Airlines recently released a variety of one way flight deals for under $40, including to popular locations such as Atlanta, Detroit, Las Vegas, Orlando, and more. The discounted rates are available on Spirit's Popular Flight Deals page, where passengers can enter in their home airport and maximum budget to see which flights are available from their city. For example, if a passenger searched with Atlanta as their home airport, they would see options for one way flights to Fort Lauderdale for $39, or flights to Houston for $29. The tool can be helpful when travelers know they want to get away, but aren’t exactly sure where. Travel + Leisure spotted a variety of deals including: