There are just two easy ways for Aeromexico Airlines to cancel passenger flights. Travelers can first share their journey online. To cancel your Aeromexico airline tickets, open the website and choose the option for an overseas trip. Type your last name and the details of your reservation in the space provided. After that, click Find to look up your reservation once more. Select Cancel when you've located the reservation. The airline counter must also be visited by travellers who wish to cancel their trip.