Transfer news: When does the 2019 summer transfer window open? When does it shut? When does the summer transfer window open? The transfer window opens on Thursday May 16. When does the summer transfer window close? The transfer window slams shut on Thursday August 8 at 5:00pm. Well, the window opens in less than 6 hours. How many deals do you reckon Mikey and Penfold have lined up? How long will it take to ask Pardew for the “line” back? Who will be first in? Who will be first out? Have stickies this as the go to thread for general/initial transfer rumours. More specific threads can be opened when anything looks serious.