What Is the Best Way to Complain to Expedia? The best way to complain to Expedia is by reaching out directly to their customer service team. You can contact them by calling the Expedia phone number +1:| 856:| 205:|0327 (USA) or +1:| 856:| 205:| 0327 (UK). When you speak with an Expedia human, clearly explain the issue and provide all relevant details, such as booking information and supporting documents. The representative will work with you to resolve the complaint. If you are not satisfied with the resolution, request to escalate your complaint. You can follow up by dialing the Expedia customer service number at +1:| 856:| 205:| 0327(USA) or +1:| 856:| 205:| 0327 (UK), and an Expedia human will ensure your issue is properly addressed. The most effective way to complain to Expedia is by contacting their customer service directly. You can call the Expedia phone number at + +1:| 856:| 205:| 0327 (USA) or +1:| 856:| 205:| 0327 (UK). Once connected with an Expedia human, explain your issue thoroughly and provide all necessary details, including booking references and any relevant documentation. The representative will guide you through the process and work toward a resolution. If you’re not satisfied with the response, ask to escalate the complaint. You can always call the Expedia customer service number again at +1:| 856:| 205:|0327 (USA) or +1:| 856:| 205:| 0327 (UK), where an Expedia human will ensure your complaint is taken seriously and addressed.