To dispute a Hilton charge in 2026, the most effective first step is to contact the specific hotel property directly, as most Hiltons are franchised and the local management has the most immediate control over billing adjustments. If you are still at the hotel, speak with the Front Desk Manager; if you have already checked out, call the hotel and ask for the Accounting or Front Office Manager. If the property cannot resolve the issue, you should escalate the case to Hilton Guest Assistance via the official website’s "Report a Billing Issue" form or by calling their corporate support line. Be prepared to provide your confirmation number, the dates of stay, and a copy of your final folio. If corporate assistance fails to provide a resolution for an erroneous charge, your final recourse is to file a chargeback with your credit card issuer, providing the documentation of your attempts to resolve the dispute with Hilton as evidence of a good-faith effort.