Cheap flights from Sihanoukville to Hong Kong

Cheapest current fares: $251 in August 2026 on connecting flights.

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Live fares · KOS → HKG

Cheapest month-by-month fares

Lowest available fare per calendar month from Sihanoukville (KOS) to Hong Kong (HKG). Refreshed daily.

Sihanoukville (KOS) → Hong Kong (HKG)

  1. August 2026 $251

Frequently asked questions

  • What is the cheapest month to fly from Sihanoukville to Hong Kong?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Sihanoukville (KOS) to Hong Kong (HKG), with fares starting from $251.

  • What is the lowest current fare from KOS to HKG?

    The lowest currently-listed fare from Sihanoukville (KOS) to Hong Kong (HKG) is $251 on 2026-08-26.

  • Is there a direct flight from Sihanoukville to Hong Kong?

    There is currently no non-stop service from KOS to HKG. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: KOS → HKG Cheapest month to fly to Hong Kong All flights from Sihanoukville All flights to Hong Kong Flights to Hong Kong SAR Visa-free with Cambodia passport