Cheap flights from Sihanoukville to Vientiane

Cheapest current fares: $313 in November 2026 on connecting flights.

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Live fares · KOS → VTE

Cheapest month-by-month fares

Lowest available fare per calendar month from Sihanoukville (KOS) to Vientiane (VTE). Refreshed daily.

Sihanoukville (KOS) → Vientiane (VTE)

  1. November 2026 $313

Frequently asked questions

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

    Based on current 6-month forward fare data, November 2026 is the cheapest month to fly from Sihanoukville (KOS) to Vientiane (VTE), with fares starting from $313.

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

    The lowest currently-listed fare from Sihanoukville (KOS) to Vientiane (VTE) is $313 on 2026-11-19.

  • Is there a direct flight from Sihanoukville to Vientiane?

    There is currently no non-stop service from KOS to VTE. 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 → VTE Cheapest month to fly to Vientiane All flights from Sihanoukville All flights to Vientiane Flights to Lao People's Democratic Republic Visa-free with Cambodia passport