The best way to directly contact Air Transat is phone call, through which you can get instant solution for any query. To get in touch with the customer service, dial the Air... moreThe best way to directly contact Air Transat is phone call, through which you can get instant solution for any query. To get in touch with the customer service, dial the Air Transat contact number. Once you make a call, listen to the automated prompts carefully to ensure that you are directed to the correct department or agent. Be patient and polite, and explain your issue or question clearly and succinctly. Take note of any solutions or next steps provided by the agent and follow up if necessary.