Single BKK metro/tram/bus ticket: 370 HUF. Day pass: 1650 HUF. Break even point: 5 rides on yellow M1 line.

Most tourists take 6-8 rides per day (hotel to Vörösmarty tér, Castle Hill funicular, thermal baths, back). Day pass saves 570-1310 HUF daily.

72-hour pass costs 4150 HUF vs buying 3 daily passes at 4950 HUF. Weekly pass only worth it if hitting Széchenyi Baths multiple times.

Airport Bus 100E costs 900 HUF vs Metro M3 blue line 370 HUF from Kőbánya-Kispest. Validate on old orange machines or pay 8000 HUF fine.