Cheap flights from Siem Reap to Vientiane from $194 SAI → VTE
Siem Reap International Airport (SAI) → Wattay International Airport (VTE)
The cheapest one-way found recently is $194 with Lao Airlines, 2 Jan 2027, found 4 days ago.
- Cheapest one-way found recently
- $194, found 4 days ago
- Cheapest month to fly
- December 2026, one-way fares from $193 found in the last 7 days
One-way
The cheapest one-way fare on each of 3 departure dates is usually $194 to $201.
Cheapest one-way found recently
$194
2 Jan 2027 · Lao Airlines
Siem Reap International Airport (SAI) → Wattay International Airport (VTE)
Leaves 12:30 p.m. · 25 h 30 min trip
stops unknown
found 4 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$194 2 Jan 2027found 4 days agoOpen this trip
$193 10 Decfound 6 days agoOpen this trip
What have prices looked like?
Over 22 days, 24 Sept to 9 Nov, the cheapest one-way we saw each day was $193 to $265.
22 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 10 Dec to 1 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 2 Jan 2027 to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 10 Dec | $193 | Lao Airlines | Siem Reap International Airport (SAI) → Wattay International Airport (VTE) | stops unknown | found 6 days ago | Open this trip |
| 2 Jan 2027 | $194 | Lao Airlines | Siem Reap International Airport (SAI) → Wattay International Airport (VTE) | stops unknown | found 4 days ago | Open this trip |
| 1 Feb 2027 | $208 | Lao Airlines | Siem Reap International Airport (SAI) → Wattay International Airport (VTE) | stops unknown | found 5 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $193.
Airlines on the cheapest dates: Lao Airlines.
Premium cabin fares from Siem Reap to Vientiane
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 2 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Siem Reap to Vientiane?
One-way
Not enough history yet: in 22 days of one-way prices, 24 Sept to 9 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest one-way found recently is for 2 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a one-way flight from Siem Reap to Vientiane?
The cheapest one-way found recently is $194 with Lao Airlines, 2 Jan 2027, found 4 days ago. The cheapest one-way we hold, of any age, is $193 with Lao Airlines, 10 Dec, found 6 days ago. The cheapest one-way fare on each of 3 departure dates is usually $194 to $201.
What is the cheapest month to fly from Siem Reap to Vientiane?
December 2026 is the cheapest month for a one-way, from $193, 10 Dec, found 6 days ago.
Which airlines have the cheapest flights from Siem Reap to Vientiane?
Between 10 Dec and 1 Feb 2027, Lao Airlines has the cheapest one-way on all 3 departure dates we hold.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work