Cheapest air fares to Las Vegas

Cheapest air fares to Las Vegas?
I'm looking for the cheapest non-stop round trip air fares to Las Vegas from Jun 28 and returning Jul 1. I can leave out of Toronto, Hamilton, Buffalo or Detroit. Can anyone find anything better than $315 CDN taxes in? I need 2 tickets Any flight finding tips are appreciated!
Air Travel - 4 Answers
Random Answers, Critics, Comments, Opinions :
1 :
Have you tried West Jet?
2 :
Try http://www.globester.com . They have great prices and great airline choices
3 :
Try searching in cFares, sometimes they have quite low rate tickets. http://www.squidoo.com/cFares Do a good research before you place any booking.
4 :
try your search with "Ocean 2 Ocean Travel" http://www.ocean2oceantravel.com All prices include taxes and fees. The below quotes are also based on 1 passenger. from Det: $278 u.s. and 279 cnd from Tor: $507 u.s and 510 cnd from: Buf: $284 u.s and 285 cnd from: Hamilton $831 u.s and 836 cnd