Flights Sihanoukville — Irkutsk is a popular route. The straight-line distance is 4 632 km. Flight time 5h 57m. Time difference +1h.
The minimum price for the next 3 months — from $502 (26.12.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $548, ranging from $502 to $578. Book 1–3 months in advance to get the best deals.