Arriving at Warsaw airport is easy. There is even a courtyard Marriot hotel right in front of the passenger terminals. In 2011 the only public transport to the city center is by bus. You can use bus 175 which connects the airport with the central railway station in the city center. From there you can walk.
Polish airlines Embraer 170 at Warsaw airport early June 2011. The Marriot hotel across the passenger terminals is insight when you step outside the airliner. - Up