Fly out of JAX for less than $100 with Southwest's 72-hour sale

JACKSONVILLE, Fla. – For the next three days, Southwest will be offering cheap flights out of Jacksonville International Airport as part of the airline's 72-hour sale.

Southwest said they are "unlocking millions of low fares for winter." 

You can escape to places like Washington, Chicago and Houston for under $100. But you must book your flight by Thursday, Oct. 4. 

From Jacksonville, FL (one-way) 

• to Atlanta, GA starting at $49
• to Baltimore/Washington, MD starting at $99
• to Chicago (Midway), IL starting at $99
• to Dallas (Love Field), TX starting at $99
• to Denver, CO starting at $129
• to Ft. Lauderdale, FL starting at $49
• to Houston (Hobby), TX starting at $99
• to Nashville, TN starting at $79

For additional information, or to buy tickets, click here.