1 888 449 03 Yes, you can cancel your Aeromexico flight within 24 hours of booking and receive a full refund1-(888) 449-0353 or +52 (5) 570050123, as per their policy. Aeromexico Airlines offers free cancellation within 24 hours by calling their Customer Support team at 1-888 449-0353 or +525-5700-50123(Live! Human)