Hotel
The Comfort Inn in St. Johnsbury is clean and conveniently located. There are also a number of smaller inns and airbnbs in the area.
Hotel
The Burke Mountain Hotel features clean rooms and a beautiful view of Willoughby Gap. There are a number of restaurants in the hotel and close by.
Flight
Burlington is likely your best bet if you're flying to the wedding, but Manchester, NH and Boston, MA have larger airports and are close by, as well. Cars can be rented at all three airports.