Update: this popular deal may have sold out. See more deals >
Southwest has just cut prices across its entire route network, and the sale fares are good for travel right through winter and spring. You can get a round-trip flight from $138, but you have to book by midnight Thursday. These are the rules:
– You can fly January 18 through May 21.
– Tuesday and Wednesday flights only.
– No travel on February 17.
– 14-day advance purchase required.
– Sale fares are one-way only; round-trip purchase not required.
– Book flights by 11:59pm local time January 9.