Amazon has Star Trek: The Original Motion Picture Collection (Blu-ray) on sale for $9.96. Shipping is free with Prime or on $25+ orders.
Walmart has Star Trek: The Original Motion Picture Collection (Blu-ray) on sale for $9.96. Shipping is free on $35+ orders.
Note, this set does not included digital copies.
Includes:Star Trek: The Motion Picture (Blu-ray)Star Trek II: The Wrath of Khan (Blu-ray)Star Trek III: The Search for Spock (Blu-ray)Star Trek IV: The Voyage Home (Blu-ray)Star Trek V: The Final Frontier (Blu-ray)Star Trek VI: The Undiscovered Country (Blu-ray)