Milford Haven Coastguard were alerted to the incident near Blaenplwyf just before 14:40 BST.
A Sea King rescue helicopter from RAF Valley flew the man to Morriston Hospital in Swansea. He has been described as dazed but conscious.
A second man was also rescued from the cliff face but was reported to be uninjured.
RNLI rescue teams from Aberystwyth attended.
A 24-year-old man has been flown to hospital after falling 30ft (9m) down a cliff onto rocks near Aberystwyth.