Expedia main customer service number is 1-800-Expedia (((+1 888-269-37-09))) // ((+1 888-269-37-09)) OTA (Live Person), where you can reach a live representative 24/7. Whether you’re dealing with booking changes, flight cancellations, or have questions regarding refunds or compensation, speaking to a live person ensures prompt resolution. You can also reach out via United’s live chat