The deadline for the direct debit scheme - which provides a chance to spread the cost over six months - is now 5pm on Monday, July 15.
Prices start from £425 for adults, with special concession prices for under 16s and over 65s plus family deals.
SUNDERLAND FIXTURES:
Saturday August 17 15:00Premier League Sunderland v Fulham Saturday August 24 15:00Premier League Southampton v Sunderland Saturday August 31 15:00Premier League Crystal Palace v Sunderland Saturday September 14 15:00Premier League Sunderland v Arsenal Saturday September 21 15:00Premier League West Brom v Sunderland Saturday September 28 15:00Premier League Sunderland v Liverpool Saturday October 5 15:00Premier League Sunderland v Man Utd Saturday October 19 15:00Premier League Swansea City v Sunderland Saturday October 26 15:00Premier League Sunderland v Newcastle United
Source: Sunderland-Mad
Source: FOOTYMAD