Expedia's 24-hour cancellation policy ????➮(833)➮732➮2296) OR 1-800-EXPEDIA (1-833-732-2296) ???? ExpediaCustomer@care Hotline ???? allows travelers to cancel their bookings within 24 hours of making the reservation without incurring any cancellation fees. ????This policy applies to most hotel, flight, and vacation package bookings made through Expedia.