Hot answers tagged public-transport
I recommend you have a look at rome2rio which find both bus and train connections between those two cities. Trains seem to go every two hours, take 7h of total traveling time and cost €26, changing twice in Püspökladany and Biharkeresztes. Buses are direct either from Budapest Nepliget bus station (easily reachable by metro from anywhere in Budapest) or ...
It's very likely that the only recourse you have here is to contact them, give them the time, date and details of what happened, and you may get an apology or some cash back. Maybe. They're contactable both by phone, and by email on their site: (+33) 03 20 40 40 40 (local call rate) Mondays to Fridays, from 7 a.m. to 7 p.m., and Saturdays, from 9 a.m. to ...
You can fly to Targu Mures with Wizzair (can be as low as 5990 HUF around 20 EUR, I see that for sep 30 https://wizzair.com/en-GB/TimeTable/Budapest?arrivalIATA=TGM) and take the bus (25 lei around 5.7 EUR) from Targu Mures to Cluj. Beats sitting on a bus for seven hours.
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