Aeromexico Airlines check-in procedure is now simple, quick, and safe. Passengers can now check-in using a number of different techniques. We want our passengers to have a stress-free flight with Aeromexico Airlines. One of the simplest and most reliable ways to check in with Aeromexico Airlines is by phone. Aeromexico Airlines check-in service can now be reached by phone at +1 (805) 309-5131.