Air CambodiaDepart16:50
Tue, Jan 5SAI → VTE
2h 15m · 1 stop
$186one way, per person
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- Cheapest fare
- $186
- Cheapest month
- January
- Direct flights
- Not recently
- Quickest trip
- 2h 15m
Air Cambodia · Tue, Jan 5
from $186
Usually 1+ stop
530 km
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Cheapest month to fly from Siem Reap to Vientiane
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in January 2027
The lowest fares we've seen for each day, cheapest first.
See every date in January 2027 →
Plan the rest of your trip to Vientiane
Where to stay, what to do and getting around, from our travel partners.
Getting around
About flights from Siem Reap to Vientiane
Siem Reap (SAI) and Vientiane (VTE) 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 15m. Over the next few months, one-way fares start from $186, and January 2027 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 Siem Reap to Vientiane?
The cheapest one-way fare we've seen recently is $186 with Air Cambodia, departing Tuesday, January 5, 2027. Over the coming months, the lowest fare in each month ranges from $186 to $282.
What is the cheapest month to fly from Siem Reap to Vientiane?
January 2027 currently has the lowest fares, from $186 one way.
Are there direct flights from Siem Reap to Vientiane?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Siem Reap to Vientiane?
The quickest journey we've seen takes about 2h 15m. Siem Reap and Vientiane are around 530 km apart.
Which airlines fly from Siem Reap to Vientiane?
Recent fares on this route were with Thai AirAsia, Lao Airlines, Air Cambodia, Bangkok Airways and Vietjet.
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