Is one of the best and largest spa baths in Europe. One ticket for the way is more and less 20€. At night usually they have a Sparty, it is a party that start at 10p.m. and the ticket is a little bit more expensive.
The best and biggest thermal baths in the City, it's worth the money, but anyhow stay for a few hours, as long as you can! Go around and discover all they have 👌🏼
If you look for a time to relax its a right place. With cold and hot swimming pools and Spa its a mandatory place to visit at Budapest. In summer occurs great partys and in winter should be amazing with snow.