Cheap flights from Singapore to Sihanoukville

Cheapest current fares: $200 in May 2026 on connecting flights.

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Live fares · SIN → KOS

Cheapest month-by-month fares

Lowest available fare per calendar month from Singapore (SIN) to Sihanoukville (KOS). Refreshed daily.

Singapore (SIN) → Sihanoukville (KOS)

  1. May 2026 $200

Frequently asked questions

  • What is the cheapest month to fly from Singapore to Sihanoukville?

    Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Singapore (SIN) to Sihanoukville (KOS), with fares starting from $200.

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

    The lowest currently-listed fare from Singapore (SIN) to Sihanoukville (KOS) is $200 on 2026-05-31.

  • Is there a direct flight from Singapore to Sihanoukville?

    There is currently no non-stop service from SIN to KOS. 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: SIN → KOS Cheapest month to fly to Sihanoukville All flights from Singapore All flights to Sihanoukville Flights to Cambodia Visa-free with Singapore passport