Southwest has round-trip flights from San Antonio (SAT) to New Orleans (MSY) for $137, NONSTOP. $35 each-way. Flights Monday, Wednesday, Friday, and Saturday, late-November to March. Holiday blackout applies. Origin/Destination reversible.
Note: You can save an additional $100 if you purchase your Flight+Hotel together as a package on Southwest Vacations and apply the “USA100” coupon code. Coupon expires 10/30/17.