Historically going to the sun road opens after plowing us done around June 20. This coukd vary based on spring snow levels they plow.
The road will open in segments till they are done.
The park shuttle bus doesn’t start till July 1 so getting a park entry pass is critical. If you stay in a lodge in going to the s7n road you will get road access the day before and after your stay with the hotel reservation.
Evrn with the park roads open. The high elevation logan pass area likely still has snow on trails. Lower elevation areas should be fine.
For glacier you need to do a stay on the east side of the park. It’s 2 hrs one way between east and west. East side does not have the amount of lodging the west side does.
East side lodging
East glacier lodge
Many glacier and swiftcurrent lodge in many gkacier area
Rising sun inside park ( get road access)
St nary outside the park
There are some hotels in browning in the Blackfeet reservation
There are some small places in st nary and Babb
There are camping and RV places. Kia has some lhotel room type places.
There isn’t a large town for vrbo/ Airbnb stuff.