Update: this popular deal may have sold out. See more deals >
The two airlines have launched another wide-ranging sale, with over 100 cheap domestic flights on offer. You can read the full details on the Southwest and AirTran websites, but this is a brief overview:
– Fly between November 29 and March 6, on all days except Sunday.
– Sale prices are one-way only; no round-trip purchase required.
– Book tickets at least 10 days in advance.
– No travel is allowed on December 21, 22, 23, 26, January 6, or February 15 & 18.
– Book your flights no later than 11:59pm PT on November 25.