Porter Airlines has resumed flying almost 18 months after suspending flights due to COVID-19 health and travel restrictions. Flights to Toronto, Montreal, Ottawa and Thunder Bay are the first to restart. Other Canadian destinations starting within the next 10 days are Halifax, Quebec City, St. John’s, Newfoundland and Labrador, and Moncton. US destinations in Boston, Chicago, New York and Washington return on Sept. 17. Flights to other year-round destinations are set to resume as of Oct. 6, with all routes currently available for booking. Bookings made before Sept. 30, will be eligible to change or cancel with no fees. Passengers also have the option to book a flight with the Full Refund Option for $40 plus taxes. The Refund Option entitles customers to receive a refund, including base fare, taxes and fees, for their booking upon advance cancellation of their flight for any reason.