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We did a bit more research and decided for bus to Zakopane, operated by www.strama.eu, departs Tatranska Lomnica 4 times a day. We then took the Train from Zakopane to Krakow. The total amount of time was a bit longer than only bus, but we wanted to keep the bus leg as short as possible.
Upvote:1
TigerExpress runs direct minibuses. Neither they, nor their parent company LEO Express, have information on car seats on their websites.
If you want to take the train, you could take this bus to Nowy Targ and change to a train there. The total journey world take longer and cost a bit extra.