If you need to cancel a trip you booked on Expedia and it's within ????????-ℌ???????????????? of your booking, you can easily manage this online or by calling customer service . First, log in to your Expedia account and navigate to "My Trips." Find the booking you wish to cancel and select "Manage Booking." Here, you should see an option to cancel your trip . Follow the prompts to confirm the cancellation. If you prefer speaking to a representative or encounter any issues, you can call Expedia's customer service at for assistance.