Vientiane to Siem Reap VTE → SAI
Wattay International Airport (VTE) → Siem Reap International Airport (SAI)
The cheapest one-way found recently is $194 with Thai AirAsia, 16 Feb 2027, found yesterday.
One-way
The cheapest one-way fare on each of 7 departure dates is usually $178 to $197.
Cheapest one-way found recently
$194
16 Feb 2027 · Thai AirAsia
Wattay International Airport (VTE) → Siem Reap International Airport (SAI)
Leaves 8:00 a.m. · 8 h 55 min trip
1 stop
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$194 16 Feb 2027found yesterdayOpen this trip
$175 10 Mar 2027found 2 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $175 to $232.
25 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 7 departure dates from 20 Dec to 14 Mar 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 16 Feb 2027 to compare.
Every date we hold
7 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Dec | $237 | Lao Airlines | Wattay International Airport (VTE) → Siem Reap International Airport (SAI) | 1 stop | found 3 days ago | Open this trip |
| 14 Jan 2027 | $200 | Thai AirAsia | Wattay International Airport (VTE) → Siem Reap International Airport (SAI) | 1 stop | found 2 days ago | Open this trip |
| 19 Jan 2027 | $188 | Thai AirAsia | Wattay International Airport (VTE) → Siem Reap International Airport (SAI) | 1 stop | found 3 days ago | Open this trip |
| 16 Feb 2027 | $194 | Thai AirAsia | Wattay International Airport (VTE) → Siem Reap International Airport (SAI) | 1 stop | found yesterday | Open this trip |
| 10 Mar 2027 | $175 | Thai AirAsia | Wattay International Airport (VTE) → Siem Reap International Airport (SAI) | 1 stop | found 2 days ago | Open this trip |
| 12 Mar 2027 | $181 | Thai AirAsia | Wattay International Airport (VTE) → Siem Reap International Airport (SAI) | 1 stop | found 2 days ago | Open this trip |
| 14 Mar 2027 | $175 | Thai AirAsia | Wattay International Airport (VTE) → Siem Reap International Airport (SAI) | 1 stop | found 2 days ago | Open this trip |
Which month looks cheapest?
March 2027 is the cheapest month — from $175.
Airlines on the cheapest dates: Thai AirAsia, 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 16 Feb 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 19% lower than 30 to 59 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 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 | $184 | +24% | 11 |
| 60–89 days | $207 | $200 | +13% | 18 |
| 90–179 days | $183 | $175 | Cheapest seen | 21 |
| 180+ days | $200 | $200 | +9% | 14 |
Live price for these dates
The cheapest one-way found recently is for 16 Feb 2027. A live search on this page shows what those dates cost now, for one adult in economy.
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