Cheap flights from Vientiane to Siem Reap

One-way fares from $185 · VTE → SAI · prices found by travellers in the last 48 hours

Compare all dates Siem Reap → Vientiane
Cheapest fare
$185

Lao Airlines · Fri, Dec 18

Cheapest month
December

from $185

Direct flights
Not recently

Usually 1+ stop

Quickest trip
2h 10m

530 km

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Cheapest month to fly from Vientiane to Siem Reap

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $221
  2. December 2026 Cheapest $185
  3. January 2027 $185
  4. February 2027 $227

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Lao Airlines
Depart11:50 Fri, Dec 18VTE → SAI 4h 05m · 1 stop
$185one way, per person
View deal
Lao Airlines
Depart07:35 Sun, Dec 20VTE → SAI 2h 25m · 1 stop
$236one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Siem Reap

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in Siem ReapCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Siem ReapTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in Siem ReapPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in Siem ReapCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for CambodiaMobile data from the moment you land, by Airalo Get eSIM →

About flights from Vientiane to Siem Reap

Vientiane (VTE) and Siem Reap (SAI) are about 530 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 2h 10m. Over the next few months, one-way fares start from $185, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Vientiane to Siem Reap?

The cheapest one-way fare we've seen recently is $185 with Lao Airlines, departing Friday, December 18, 2026. Over the coming months, the lowest fare in each month ranges from $185 to $227.

What is the cheapest month to fly from Vientiane to Siem Reap?

December 2026 currently has the lowest fares, from $185 one way.

Are there direct flights from Vientiane to Siem Reap?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Vientiane to Siem Reap?

The quickest journey we've seen takes about 2h 10m. Vientiane and Siem Reap are around 530 km apart.

Which airlines fly from Vientiane to Siem Reap?

Recent fares on this route were with Thai AirAsia, Lao Airlines and Vietnam Airlines.

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