Join Date: May 2006
Location: New York, London, Sydney
Programs: United GS/2MM, DL*P, VS*G, AA*EXP, Avis CHM, Hertz Platinum, Sixt*D, HH*D, HGP*P, Starwood*P
Posts: 9,877
Yup, if you're willing to pay 2-4% on top of the price (and your credit limit can support it).
I've done it for 3% a couple of times.