Is there a tour/sightseeing van/bus that goes from Warsaw Chopin to Vilnius? If so, do you have name?
LOT has several direct flights a day from Warsaw to Vilnius, sometimes for under $100 USD each way, that take barely an hour. That's probably how I'd go.
I concur about flying. The bus takes 9 hours and I'm pretty sure you'd have to change at least once. Granted it wasn't from Warsaw, but this past summer I took a van (as part of a private tour) from Augustow, near the Polish/Lithuanian border, to Vilnius. I didn't find the scenery anything really remarkable (and I love that part of the world), so I don't think you'd be missing anything by just flying.
Thank you for your response. I’m flying.😊