Join Date: Feb 2000
Location: Oslo, Norway.
Programs: SK EBD, AX Cent, SPG Gold, HH Diamond, Club-A Plat, Avis' PC, CC Gold,Hertz PC, CX Diamond,BA Bronz
Posts: 683
LTU caters primarily to the charter passengers, and as far as I know does not have its own FF programme or connect with any alliance.
Believe me; I've tried the same with its Scandinavian counterparts Premiair, Britannia, Sterling Airways etc.
Maybe you could try Condor, Lufthansa's subsidiary??