Originally Posted by
YuropFlyer
However, I've never heard about a rule that you can't take liquids of 100ml max (just like international standard) in your hand luggage, and have travelled a lot domestic with bottles <100ml.
I seem to recall that domestic flights indeed do not allow any liquids, even if <100ml, at least on paper. In reality, I've brought the same plastic bag with liquids inside that I use for international travel and have never had an issue.