It's good to have a few euros in cash upon arrival for tips etc, just in case you can't get to an ATM right away. I keep a small stash of euros at home, left over from previous trips to the eurozone. Exchange rates are the same internationally, but service charges differ.
Is it better to buy euros in the US before traveling to Europe?
Resist the urge to buy foreign currency before your trip.Some tourists feel like they just have to have euros or British pounds in their pockets when they step off the airplane, but they pay the price in bad stateside exchange rates. Wait until you arrive to withdraw money.
Should I get euros before traveling?
Is it better to buy euros in the US or in Europe?
With time at your disposal, you'll be able to see exactly what the fee and rate is, and how many euros you'll get for your dollars. It's possible of course that you might get a better deal when you land in Europe. It may well be the case that fees are lower and exchange rates better.
Is it better to buy euros with cash?
As well as helping you control expenditure, cash euros allow you to lock in a rate, while avoiding high foreign payment charges and fees. There's also no need to worry about card fraud and – if you buy from a reputable seller like eurochange – you won't face hidden charges or fees when getting your euros.