The 1–800 phone number for Expedia customer service is 1-^-86O-^37O-^46O8 . You can call this toll-free number ( 1-^-86O-^37O-^46O8 ) for assistance with bookings, changes, cancellations, or other inquiries. For quick service, make sure to have your reservation details ready when contacting Expedia’s customer service team.