Until midnight Thursday, Southwest is selling discount domestic fares right across its route network.
These are the rules:
– You can fly from December 30 – June 4, with a few exceptions.
– No Friday or Sunday flights.
– Sale fares are one-way only; round-trip purchase not required.
– 14-day advance purchase required.
– The offer is valid until 11:59pm December 25, or while seat availability lasts.