There is an international airport in Warsaw: Warsaw Frederic Chopin Airport [http://www.lotnisko-chopina.pl/?lang=en]: For those travelling from Warsaw serviced by Polski Express [http://www.lotnisko-chopina.pl/katalog/dojazd/en/dojazd_autobus_express.php]. See also routes/timetable [http://polskiexpress.pl/rozklad].
This is the best choice of getting in to Bia?ystok. There are over ten trains a day from Warsaw, cost is about 10-15 euro. Bia?ystok has also direct connections with Olsztyn.
See: Polish State Railways [http://www.pkp.pl/].
You can easily get there by car from Warsaw, Gda?sk (A1) and Pozna?.
Many international connections (see Poland::By bus).
City Plan: [http://www.bialystokonline.pl/plan.php]
There are numerous hamburger zapiekanki (garlic bread with tomato sauce, meat, cheese and mushrooms) stands by the PKS and PKP stops in Bia?ystok