Need to book a flight? Southwest Airlines offers hot deals in 72-hour sale

Southwest Airlines is offering a chance for travelers to book less expensive air travel through a special 72-hour sale. 

The sale runs through 9:59 p.m. Thursday and has the following qualifying dates. 

• Aug. 20 through Dec. 18 for continental U.S. travel
• Sep. 3 through Nov. 2 for inter-island travel in Hawaii
• Sept. 4 through Dec. 5 for travel to and from San Juan
• Aug. 20 through Dec. 11 for international travel

Below are examples of deals under $100 from Houston.

• Dallas - $49
• New Orleans - $49
• Memphis - $59
• Louisville - $79
• Chicago - $99
• Tampa - $99

 For more flights, click here.