Traveling by Plane: Playtex

4 Mo. Old on a 12 Hour Plane Trip

Hello:) I will be going to visit my family soon and I am VERY stressed out about the long plane ride(6 hour flight, 45 minute lay over and another 6 hour flight). I have a 4 month old that is very sensative(gets frustrated easily---gets upset with loud noises, having to stop eating to burp, hates being in one spot longer than 5 minutes, etc...). She is formula fed(breast feeding didn't work---thats whole other issue). Can I bring that much formula on(I cannot give her the powder---she is on lactofree and the powder is just too foamy-- so it...