Indeed it worked !!!! I changed it a bit, but ur idea really clicked.
SELECT A.Prov_ID, P.Name, A.Flight_ID, F.Name, T.Name
FROM Provider P, Flight_Detail A, Airport_Detail F, Airport_Detail T
WHERE A.Prov_ID = P.Prov_ID
AND A.From_Airport_ID = F.Airport_ID
AND A.To_Airport_ID = T.Airport_ID...