The best price found from United States to Yuzhno-Sakhalinsk is on November 28th, 2016, travelling with Aeroflot. See more options, compare prices and book: search flights.
The airport is 8km south of the centre. Several airlines, including Sakhalin’s flagship carrier Aeroflot and S7 fly regularly to Khabarovsk (from R6500), Vladivostok (from R7300), Moscow (from R15,600) and elsewhere.
Aeroflot and Asiana alternate daily flights to Seoul, while Aurora has flights to Tokyo and Sapporo (two weekly).
You can buy domestic or international tickets at Biletur.