Update: Google hotel price sliders were rolled out to local pack on December 8, 2017.
Google is now testing hotel price slider in local pack in desktop browsers:
In addition to the slider, Google is also testing a new calendar icon, an updated calendar, and bubble filters in hotels’ local packs. The filter resembles the bubbles on Mobile, as well as hotel local finder filters on Desktop.
The updated calendar is the same calendar that is used in the hotel local finder:
Google has been testing a similar hotel price slider on mobile devices since June:
The hotel price slider was rolled out to local packs on mobile and desktop in August, and it appears Google is looking to expand this feature to local packs as well.