Discount Campaigns are sales held on the Square Enix Online Store that reduce the price on both the digital download version of the Ultimate Collection Seekers Edition, a complete bundle of Final Fantasy XI and every expansion, and the World Transfer Service. Usually this means the software is reduced to USD $9.99 (from USD $29.99) and the World Transfer Service is reduced to $9.99 (from USD $18.00) 
Users who wish to take advantage of the World Transfer Service discount must meet the eligibility requirements of the World Transfer Service.
- Discount Campaign Spring 2019
- From Thursday, May 16, 2019, at 1:00 a.m. (PDT) to Friday, May 31, at the same hour.
- Discount Campaign Fall 2017:
- From Friday, November 10, 2017 at 12:00 a.m. to Thursday, November 30, 2017 at 12:00 a.m. (PST)
- Discount Campaign Fall 2018
- Friday, November 9, 2018 at 12:00 a.m. (PST) to Friday, November 30 at the same hour.