Currently, there are two Budapest thermal baths ready to accept wheelchair users, not only with accessible entry points and routes but also with lifts that can elevate the wheelchair user directly in the pool.
These two thermal spas are perhaps lesser known but excellent choices. Paskal Thermal Bath is in the green Zuglo district of Budapest with low ramp public buses (or you can hire a private wheelchair accessible transfer to the baths). The driving distance is estimated at approx. 25 min from Deak Square, the heart of the city. Pesterzsebeti Thermal Bath is also away from Budapest city centre in the southern zone of the city, in Csepel District (approx. 20 min ride by taxi / private transport). Before making a visit, to avoid any unpleasant surprises, kindly make sure to inquire about the updates regarding the state of the lift as occasionally they may be out of order.