I've flown heaps of times. The rumour that your ostomy bag will blow up is exactly that... a rumour! I ate and drank as normal. The cabin is pressurised. The loos are small and thus, a little challenging, but they're manageable.
Make sure you pack at least two changes of appliances in your carry on luggage (pre-cut everything, no scissors) just in case you end up in Denver but your luggage ends up in Singapore!
I have had an ileostomy for 33 years now due to UC.
Moderator of the Ostomy Forum
I'm not a complete idiot - some parts of me are missing!