Obviously this could all change but these are the dates i've found that the individual airlines will start back up at CWL.
Eastern Airways look like they are due to start both Anglesey and Teesside/Aberdeen on the 15th June.
Vueling are down to start all 3 routes on 1st July.
Ryanair are down to start on the 6th July but will only operate 3 out of 4 routes.
KLM will return on the 4th July.
Qatar Airways won't return until 26th October.
It looks like TUI are down to start on the 12th June.