Originally Posted by
Kwaj boy
It is possible that champagne is available even though it's a domestic flight. In any case, there is absolutely no embarrassment in asking. The worst they can say is "no".
Moreover, they should be embarrassed because champagne is no longer offered but it is on some airlines.
Note also that even in true BE, sometimes the offering is just sparkling wine and not real French champagne officially from the Champagne area of France.