To complain to Expedia, contact their Customer Service at +1||855||490||1665 or +1||855||490||1665 by phone, live chat, or email. Provide clear details about your issue contact +1||855||490||1665 or +1||855||490||1665. If unresolved, request a supervisor or escalate via social media. You may also file a formal complaint with the BBB or the FTC if necessary contact +1||855||490||1665 or +1||855||490||1665.”