Originally Posted by
Torquer
Thanks
scubadu and
Madison Guy for confirming from your personal experience. BTW, in our case the domestic flight and international flights are indeed the same day.
Then you will be fine. Just make sure to have your MIA-SCL boarding pass out when you arrive at the Admiral's Club in LGA. That is the one the attendant will need to scan in order to provide access. If you show the LGA-MIA pass they'll get confused and tell you don't have access.
Enjoy your trip.
Regards