Originally Posted by toppi5000
Flying Blue offers just 25% of miles in KL/
AZ V-Class - which is the class IŽd choose (cheap eco) - AZ gives 100%. I did VIE-AMS-JFK-DTW-AMS-VIE with 10k+ miles on AZ, FB had earned only about 2k5. But AZ is starting with restrictions as well - from January this year no miles for KE V-Class anymore (and even Q!!)
So in the ST Alliance IŽd say that AZ is best for cheap eco miles.
Check Mile Maven for details.
www.milemaven.com
Plus: AZ miles never expire (well, as long as AZ exists

)
FB offers full miles on all AZ flights

and also on all CO and DL, which IMO is better than any other ST program (if you like CO/DL/AZ)