Condor has Wi-Fi on its a320neos and a330neos. It is paid per flight. It works only above 10,000 ft.

Does Condor have Wi-Fi?

Yes, Wi-Fi

Paid per flight

On its A320neos and A330neos

When it works

Off for ~15 min at each end

It works for about 90% of the flight: off below 10,000 ft, about 15 minutes at each end.

Sources