How to Cancel and Refund at Air Canada Flight? Want to know, How to Cancel and Refund at Air Canada Flight. Call Air Canada customer service phone number for personal assistance are: +1-888-915-2449 (OTA) or + 1-888-247-2262 (USA). Once connected to a live person, discuss your concerns politely for a swift resolution. #howtocancelaircanadaflight #howtorefundaircanadaflight Source Url: https://flyavionic.com/blog/how-to-cancel-and-refund-at-air-canada-flight/