Passengers of Sunwing Airlines and Porter Airlines may now apply for refunds, following the conclusion of their bailout negotiations with the federal government. Sunwing requires eligible customers to submit a request through an online COVID-19 refund request form by August 27, 2021 (11:59 p.m. EST). Porter Airlines also requires eligible customers to complete the COVID-19 Refund Request form. This must be submitted by September 3, 2021.