group discount
A reduced price offered when a certain number of people purchase together, common for travel, events, and admissions.
A group discount applies for groups of 10 or more.
If you use the group discount, it becomes 500 yen cheaper per person.
General term for 'discount'; 団体割引 specifically refers to a discount for groups.
Refers to the group rate itself, while 団体割引 emphasizes the discount aspect.
Compound of 団体 (group) and 割引 (discount).