Originally Posted by UK flyer
I find sometimes it's too chilly so I always bring a pullover. I'd say around 21c would be comfortable enough for me.
I've never ever in hundreds of flights been too cold on an aircraft with the doors closed. But often too warm. About 18-19 C would be fine for me, which is what I tend to set the CC in the car at. But I'd settle for a couple of degrees higher.