The easiest way to visit Baikonur and the only way to visit the cosmodrome is by guided tour. Prices vary wildly but are always steep: a one-day tour starting from Almaty starts from US$700 per person, while a multi-day excursion from Moscow can easily cost US$5000. As the cosmodrome area 6000 sq.km. is rented by Russia, no Kazakh visa is needed if you fly in directly from Moscow.
By plane
Baikonur's two airports, Krainiy in city and Yubileyniy in cosmodrome serve only semi-regular chartered flights from Almaty and Moscow. The nearest town with scheduled service is Kzyl-Orda 267 km away, which has scheduled daily flights to Almaty and Astana on Air Astana.
By train
Baikonur's station, Tyuratam, is on the Moscow-Almaty main line. The station is 1445 km from Almaty and the trip takes around 27 hours on an express train.