Benchmarked strictly across TripTiming's 5 empirical pillars: Crowds, Weather, Vibes, Prices, and Safety.
Budapest emerges as the optimal May destination with an overall TripTiming Index of 65/100 vs 64/100 for Vienna (+1 point advantage). Budapest delivers a decisive lodging value advantage (~$212/night vs ~$326/night in Vienna, saving ~$798 across a 7-night stay). In addition, Budapest offers more breathing room at premier cultural landmarks (50/100 vs 43/100). While Vienna retains an edge in City Vitality (82/100 vs 64/100), Budapest's commanding performance in Price & Value secures the overall May recommendation.