Depending on which city your travel originates from some flights can be had for less then $100 dollars each way. Of course, these are last minute air deals. Each of these links locations will find you air fares for future trips as well. In a quick search I found low last minute fares from; Eugene, Phoenix, San Diego, San Francisco, Oakland, Sacramento, San Jose, Portland and Minneapolis. There are plenty more out there just pop in your departure city.
US Airways offers Las Vegas Packages that can get you some low priced airfares.
Expedia.com can connect you with good bulk fares from most cities at the last minute.
Below you will find more links, good luck, both in finding your last minute low cost air fare and in trying to come back with a little of the houses money.
Find a Cheap flight to Las Vegas
Airlines that service McCarran Airport
Kayak.com searches various sources and looks for the cheapest flight possible for you. You could easily save 30% to 50 % on a flight to Las Vegas with Kayak.com
Wecompareflights.com searches other sites as well but is more of a manual process. It can be time consuming but you might find a good deal if you are patient.
Sign up for their newsletter and you can get the great deals delivered to your in box. They do have some good fare finders and you increase your chances of finding a cheap flight to Las Vegas.
If you suffer from ADD like myself you might need to bookmark this site. Get a crazy idea like going to Vegas right this minute? Last minute travel can help.
Sign up for their alerts and you can get some ridiculously low rates on flights to Las Vegas.
American Airlines will search for great deals based on your criteria. The best thing is that it keeps searching even if you have lost patience with the process. It sends alerts to your desktop until you find the deal you want.
Other resources for last minute airfares to Las Vegas:
