Route:
https://goo.gl/maps/f4yhAM7sj8G21ST NIGHT accommodations in Red Lodge, MT (I booked this for 2 rooms, dbl beds, we can cancel up to August 2nd...)
https://www.choicehotels.com/montana/red-lodge/comfort-inn-hotels/mt010 = $431 (Or $107.75/person)
2ND NIGHT accommodations in Cody, WY (I booked this for 2 rooms, dbl queens, we can cancel up to August 2nd...)
https://www.wyndhamhotels.com/americinn/cody-wyoming/americinn-cody/overview?brand_id=AA&checkin_date=8/4/2018&checkout_date=8/5/2018&useWRPoints=false&children=0&iata=00065402&adults=3&rooms=2&radius=25&brand_code=BH,DI,RA,BU,HJ,KG,MT,SE,TL,WG,WY,WT,WP,VO,DX,TM,CE,AA&PriceFilter=0-2147483647&referring_brand=AA&latitude=44.52634219999999&longitude=-109.05653080000002 = $455.62 (Or $113.91/person)
3RD (LAST) NIGHT accommodations in Belle Fourche, SD (I booked this for 2 rooms, dbl queens, we can cancel up to August 3rd...)
https://www.choicehotels.com/south-dakota/belle-fourche/econo-lodge-hotels/sd104 = $501.40 (Or $125.35/person)
So, the total per person is
$347.01.