Details on getting to Fermilab can be found on the official FNAL travel page:
We suggest that you rent a car as there is no public transportation
to Fermilab.
It is possible to get a limousine from the airport to Fermilab by calling
West Suburban Limousine
at (800)345-5466 (from outside Illinois) or (630)668-9600 (locally).
You should
reserve 24 hours in advance.
You can get a Fermilab discount at the hotels listed in information
on travel and housing
if you mention that you are visiting Fermilab. We have a special
block of rooms for NNN00
at the Lisle Hilton for $99/night but many other hotels offer rooms
from $40 up.
If you need a ride to Fermilab from your hotel, we suggest that you
stay
at the Best Western Fox Valley Inn in Aurora (on Kirk Road SW of the
lab) or the Lisle Hilton
We will provide ride-pool services from these hotels.
There is a check box on the registration to sign up.