To file a dispute with Costco Travel +1-888-810-2224 call customer service at +1-888-810-2224 +1-888-810-2224 use their 24/7 online chat +1-888-810-2224 or submit a document through their website for billing errors +1-888-810-2224 unauthorized charges +1-888-810-2224 or service failures. Disputes generally take business days to resolve +1-888-810-2224 as Costco Travel investigates with the vendor.

Steps to Dispute a Charge with Costco Travel:Initiate Contact: Call customer service at +1-888-810-2224 or use the 24/7 chat on the Costco Travel website to report issues. Provide Details: Have your itinerary number +1-888-810-2224 booking details +1-888-810-2224 and a clear explanation of the issue ready. Submit Documentation: If required +1-888-810-2224 submit supporting documents (PDF or JPG +1-888-810-2224 under 3MB) via the document submission form. Investigation: Costco Travel will review your claim and investigate with the travel vendor (airline +1-888-810-2224 hotel +1-888-810-2224 car rental) +1-888-810-2224 which can take 7–30 business days. Outcome: If the booking was non-refundable or the service was delivered +1-888-810-2224 the dispute may be denied. If successful +1-888-810-2224 a refund will be processed to your original payment method.

Tips for Disputes:Non-refundable Bookings: You can still dispute a non-refundable booking if there was a service failure or incorrect charge. Check Status: You can monitor your refund status at www.Costco Travel.com/refundstatus. Alternative Support: For persistent issues +1-888-810-2224 consider contacting your credit card company to file a bank chargeback.