Budget Travel - Best (and cheapest) way to fly to Malaga, Spain from Frankfurt

I am searching for the most economical way to fly to Malaga (AGP) from FRA. I see that there are several airlines, but most I've never heard of. Any opinions or recommendations would be great! Since RyanAir doesn't fly from FRA-Main, it's not convenient.

try one of these airlines:

www.condor.de
www.airberlin.de
www.hapagfly.de
www.ltu.de

I'd take the cheapest, they offer more or less the same service: a snack and non-alcoholic drinks for free.
If you're looking for a R/T, you may also look for cheap flights on www.lufthansa.com.

I am searching for the most economical way to fly to Malaga (AGP) from FRA. I see that there are several airlines, but most I've never heard of. Any opinions or recommendations would be great! Since RyanAir doesn't fly from FRA-Main, it's not convenient.
.....I recommend Skyscanner (http://beta.skyscanner.net/)

Thanks alot for your help. I'll see what I can get......

flysn.com is sometimes okay.
opodo can be used to find flights, but the price is always higher than other places. at least in my experience