Cheap flights from Vientiane to Siem Reap from $181 VTE → SAI
Wattay International Airport (VTE) → Siem Reap International Airport (SAI)
The cheapest one-way found recently is $181 with Lao Airlines, 5 Jan 2027, found 2 days ago.
- Cheapest one-way found recently
- $181, found 2 days ago
- Cheapest month to fly
- January 2027, one-way fares from $181 found in the last 7 days
One-way
The cheapest one-way fare on each of 4 departure dates is usually $183 to $183.
Cheapest one-way found recently
$181
5 Jan 2027 · Lao Airlines
Wattay International Airport (VTE) → Siem Reap International Airport (SAI)
Leaves 7:30 a.m. · 4 h 20 min trip
stops unknown
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$181 5 Jan 2027found 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 42 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $167 to $251.
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 4 departure dates from 13 Nov to 27 Jan 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 5 Jan 2027 to compare.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 13 Nov | $183 | Lao Airlines | Wattay International Airport (VTE) → Siem Reap International Airport (SAI) | stops unknown | found 5 days ago | Open this trip |
| 22 Dec | $184 | Lao Airlines | Wattay International Airport (VTE) → Siem Reap International Airport (SAI) | 1 stop | found 4 days ago | Open this trip |
| 5 Jan 2027 | $181 | Lao Airlines | Wattay International Airport (VTE) → Siem Reap International Airport (SAI) | stops unknown | found 2 days ago | Open this trip |
| 27 Jan 2027 | $183 | Lao Airlines | Wattay International Airport (VTE) → Siem Reap International Airport (SAI) | stops unknown | found 7 days ago | Open this trip |
Which month looks cheapest?
January 2027 is the cheapest month — from $181.
Airlines on the cheapest dates: Lao Airlines.
Premium cabin fares from Vientiane to Siem Reap
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 5 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Vientiane to Siem Reap?
One-way
Fares 90 to 179 days before departure were typically 21% lower than 30 to 59 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (42 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | $227 | $181 | +27% | 17 |
| 60–89 days | $205 | $183 | +15% | 26 |
| 90–179 days | $179 | $167 | Cheapest seen | 33 |
| 180+ days | $200 | $200 | +12% | 14 |
Live price for these dates
The cheapest one-way found recently is for 5 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 Vientiane to Siem Reap?
The cheapest one-way found recently is $181 with Lao Airlines, 5 Jan 2027, found 2 days ago. The cheapest one-way fare on each of 4 departure dates is usually $183.
What is the cheapest month to fly from Vientiane to Siem Reap?
January 2027 is the cheapest month for a one-way, from $181, 5 Jan 2027, found 2 days ago.
How far ahead should I book a flight from Vientiane to Siem Reap?
In 42 days of prices between 24 Sept and 11 Nov, one-way fares 90 to 179 days before departure were typically 21% lower than 30 to 59 days before departure.
Which airlines have the cheapest flights from Vientiane to Siem Reap?
Between 13 Nov and 27 Jan 2027, Lao Airlines has the cheapest one-way on all 4 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