How Do I Claim My Best Price & Big Deal Guarantee?
To claim either guarantee, call the Priceline Customer Service. Inform them where you found the better offer. Priceline will check the existence of the offer and its availability while still on the phone with you.
Use the following number to make calls from the U.S. and Canada 1-800-PRICELINE (1-800-774-2354) For calls from the rest of the world use the following number 1-212-444-0022.