Book by midnight Thursday and you can fly cheap to Cancun or Los Cabos with Virgin America. Round-trip fares are on sale from $169.
These are the rules:
– You can fly September 1 – December 15, with a few exceptions.
– Sale fares are one-way, good for travel in either direction.
– Round-trip purchase not required.
– 21-day advance purchase required.
– Book flights by 11:59pm CT July 23.