I need help on finding cheap flights to California

I need help on finding cheap flights to California?
I need to find the cheapest flight possible from Buffalo, NY to San Francisco, CA..leaving between April 8-April 10th..and coming back on the 19th or 20th. Please help!! I need something cheap (2-3 people involved) Who ever finds the cheapest flight will get best answer. thanks in advance!! btw it's roundtrip
Air Travel - 5 Answers
Random Answers, Critics, Comments, Opinions :
1 :
Try Yahoo Travel. Or Expedia.com
2 :
http://www.cheaptickets.com/App/ViewFlightSearchResults?retrieveParams=true&z=b6fe&r=1f&z=b700&r=1h&lastPage=interstitial
3 :
See http://www.travelbargainsites.com for great, cheap travel sites. One site compares all the airlines for the best fare.
4 :
try this site, I found one for $285, leaving either April 8th or 9th, and coming back monday April21, but on the 19th, and 20th, all I found one for was $346.
5 :
$259 roundtrip travelling 4/8-10 and returning on the 19th farecompare.com