This is a super deal from Southwest Airlines where friends fly + stay free. Here is the link to the deal at Southwest.

The restrictions:

Book 7/09 – 8/10/09 by 6:00 p.m. CST
Travel 8/17 – 1/07/10
Five-day advance purchase required.

– Every second person flies FREE when you book aflight + hotel package to Las Vegas.

– Stay 3 nights or more and receive one night FREE at these participating hotels in Las Vegas.

– Buy One, Get One FREE when you book a flight + hotel packageto Las Vegas on the following Tours:

Hoover Dam Deluxe Tour

Las Vegas Night on the Town Tour