Southwest Vacations is offering rebates when you book a flight and hotel package by Thursday. (If Vegas is yhour destination, you need to book today.) Depending on the total package price - it has to be at least $700 - you can save from $50 to $200 by using promo code SAVENOW. The offer is good for travel through Aug. 13. You can combine the savings with additional special offers. For example, if you book a 3-night trip to Las Vegas and stay at an MGM/Mirage hotel, you can receive free show tickets.