maxt

Concerning Ukraine, I really only heard about Lviv. it makes sense to visit at last Kamyanets-Podilsky and Chernivtsi.

to enter Russia, rather than at a busier crossing....

International crossing but remember that the ferry only operates at certain times. ...

The train will cost about 35 euros...

no, AFAIK. Polish railways doesn't sell international tickets online, only domestic ones....

kore5022, I've already have written above, it is possible not to make this transfer by foots. ...

purpose of a sleeping train. ...

yes.

I could recommend you to take a train....

I just cannot find any information how to book it and any prices....

which of the above options is the most advisable to be sure of catching my flight??...

Is this station near either of the 2 stations that the Simple Express bus comes into and is it walking distance?...

The only direct train from Budapest to Krakow is night train...

Sites like bahn.de since the last update of the timetable doesn't show it correctly (I don't know why, sometimes such thing occurs with...

The train from Kiev to L'viv is slow and quite long - taking over 8 hours on the direct fastest route. ...