Amazon offers its Prime members Dances with Wolves: 20th Anniversary Edition on Blu-ray Disc
with free shipping
. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $2.98.) That's the lowest total price we could find by $4, outside of the price below. Sales tax is added where applicable.
A close price: goHastings via eBay has it for $5.70 plus $2.98 for shipping.