Travel
Arriving by plane
Wroclaw airport is 30 minutes away from the city center by car. You can either take one of the official taxis waiting at the airport (expect to pay 50-60 PLN) or call a taxi through an app (and pay 30-40 PLN, but you might need to wait 10 minutes). You can also take bus nr 106 to the main train station, but this might take up to an hour.
Arriving by train
There are multiple daily connection to Warsaw. Depending on the train, the journey takes 3.5 h - 6 h and you should expect to pay 60-150 PLN for the ticket (the pricing for the fastest train is dynamic, so you might want to buy your ticket a bit earlier on the official website, this is possible up to 30 days before the trip). There are also some international connections (for example, to Berlin), including overnight trains to more remote destinations.
Arriving by bus
There are multiple daily connections to Warsaw, Berlin and Prague (among others) operated by Flixbus. The buses are fast (faster than the train, actually) and clean.