Flights Ulaanbaatar — Chicago is a popular route. The straight-line distance is 9 932 km. Flight time 12h 11m. Time difference -14h.
The minimum price for the next 3 months — from $791 (20.11.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $831, ranging from $791 to $921. Book 1–3 months in advance to get the best deals.