Popcorn is a good movie snack because you can eat it while keeping your eyes on the screen when Godzilla and Mothra are finally going to kiss. Chew and view with this Groupon. $11 for $20 Worth of Specialty Popcorn A medium bag of seasoned popcorn, such as garlic parmesan or chipotle barbecue, costs $5. A medium bag of candied popcorn costs $6, and customers can choose from flavors such as caramel cashew or orange creamsicle. Deluxe popcorn, with flavors such as sâ€™mores and Girl Scout cookie, costs $8 for a medium bag.