Absolutely, Expedia provides a 24-hour cancellation policy. If you need to cancel your flight, you can do so without a fee within 24 hours after your booking. For your convenience, cancellations can be made either online or by contacting their support at ???????? $+1-800-228-9156 $. Expedia Flight Cancellation Policy;- Contact ?????????+ +1-800-228-9156 ? You can cancel any flight booked through Expedia either online or with a live agent. Whether your ticket is eligible for a refund depends on what type of airfare you bought and when you bought it.