While reserving a Seat with Expedia, you might be contemplating whether there is a cancellation policy. Fortunately Expedia has a dropping strategy, and it is very liberal. Generally speaking, you can drop your booking as long as 24 hours before your registration time and get a full refund. Does Expedia have 24-hour cancellation policy? READ the full blog or CALL Expedia Helpline AT: +1-888-894-2072.