From Albuquerque Sunport airport (ABQ) to Santa Fe:
By Train:
The Rail Runner Express (shuttle from Albuquerque airport to the train station and train ride to Santa Fe): https://www.riometro.org/rio-metro-schedules/airport/coming-from-the-airport
By Shuttle:
Sandia Shuttle: http://sandiashuttle.com/
Roadrunner shuttle: https://www.roadrunnershuttleandcharter.com/
Reservations strongly recommended. A minimum group size may be required.
You may use COLING 2018 social media to find people with whom you could share rides.
Uber or Lyft is also an option.
From Santa Fe Municipal Airport (SAF) to downtown Santa Fe:
By shuttle:
Roadrunner shuttle: https://www.roadrunnershuttleandcharter.com/
Airport shuttles: https://www.airportshuttles.com/santafe.php
Uber or Lyft is also an option.