+1-888-413-6950 If you have a flight reservation with Porter Airlines and your plans change for some reason, you shouldn't be concerned. Passengers can cancel their tickets by visiting our official website, theairlinesinfo.com. According to Porter Airlines' 24-hour Cancellation Policy, if you want to cancel your flight, you can do it online from this page, or you can contact our customer service team at any time, and they will assist you. If you cancel your ticket within 24 hours, you will receive a full refund within 7 business days.