Originally Posted by
Agneisse
You sound like someone who has done their research, so forgive me if this is repeating stuff you already know - but note that the carry on suitcase size restrictions in Europe (including at Ryanair) are smaller than the US domestic dimensions.
Otherwise, Ryanair is perfectly fine for a short hop like that. It's also fun to board and disembark from the tarmac!
I paid for the extra carry on, my backpack is no issue, it's our roller boards that I know we will have to pay extra for. But there is no clear cut cost of these...