Originally Posted by
NHFL9
FWIW, Northwest was more restrictive as to what fares you could upgrade (only Y or B.) As I recall, it was about $2,900 for an upgradable fare BDL-AMS-FCO.
Corrrect on the Y or B fares, but they were MUCH cheaper than the current M.
For example, $1800 in B BDL-AMS-BUD last year for mileage upgrades in June (60K miles per ticket)