When you use the low cost calendar in points - there are several days in Sept showing return AUA - BUF for 8120 points. Sat 9/6 shows BUF to AUA for 10,920 points. 10/25 shows BUF -AUA for 16,170 and returns for 8120 on 10/9 and 10/23. Other dates are 16,170 points.