Siem Reap to Vientiane

1 ways to travelfastest 2h 15mfly from €198
Photo: Will Sun / Unsplash

How the cheapest fare moved

Oct 3: €232 €232 Sep 27 Oct 3 low €201 · high €232

Departure-day prices · September 2025 Siem Reap → Vientiane

‹ Prev Next ›

Loading fares…

Return-day prices · September 2025 Vientiane → Siem Reap

‹ Prev Next ›

Loading fares…

Best time to visit Vientiane — climate

Jan: ~26°C daytime, 0 rainy days 26° JanFeb: ~29°C daytime, 2 rainy days 29° FebMar: ~32°C daytime, 1 rainy days 32° MarApr: ~33°C daytime, 11 rainy days 33° AprMay: ~33°C daytime, 25 rainy days 33° MayJun: ~32°C daytime, 30 rainy days 32° JunJul: ~31°C daytime, 26 rainy days 31° JulAug: ~31°C daytime, 25 rainy days 31° AugSep: ~31°C daytime, 29 rainy days 31° SepOct: ~31°C daytime, 18 rainy days 31° OctNov: ~29°C daytime, 8 rainy days 29° NovDec: ~29°C daytime, 1 rainy days 29° Dec

Best value: Feb — fares from €198 and ~29°C daytime.

Flights from Siem Reap to Vientiane start around €198 (typically 1 stop). Range seen recently: €198–241, based on 22 fares found by travellers.

Fly (from €198)
2h 15mduration
€198–241recent fares
Book
Cheapest cached fares Siem Reap → Vientiane; typically 1 stop (e.g. FD). · Based on 22 fares found by travellers in the last 48h

Cheapest round trips to Vientiane

Fares found by travellers in the last 48 hours — refreshed daily.

Nov 10 – Nov 24 THAI Airways · 1 stop · 2h 15m €407 Book
Nov 15 – Nov 17 Air Cambodia · 1 stop · 3h 25m €427 Book

Weather in Vientiane

Sun ⛈️ 32° 25° 💧90%
Mon ⛈️ 29° 24° 💧84%
Tue 🌧️ 30° 23° 💧51%
Wed 🌦️ 30° 22° 💧41%
Thu 🌤️ 30° 23° 💧4%
Fri 🌦️ 31° 24° 💧10%
Sat 🌦️ 26° 23° 💧36%

In Sep, Vientiane typically sees ~31°C daytime highs and 28 rainy days.

Where to stay in Vientiane

3★+ hotels from €19/night (36 hotels sampled, ~3 weeks out).

Viryla Boutique Hotel hotel · Vientiane
from €19/night★ 3
Phonepaseuth Guesthouse hotel · Vientiane
from €19/night★ 3
Xaysomboun Hotel & SPA hotel · Vientiane
from €23/night★ 4

Good to know

Time differenceSame time zone
Time in the air2h 15m

Things to do in Vientiane

Top-rated tours and tickets from €11 — book ahead for the popular ones.

Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.

About Vientiane

Vientiane (Lao: ວຽງຈັນ, Vieng Chan) is the capital of Laos, with stunning temples, vibrant night markets, beautiful French-Indochinese architecture, lively street food stalls, and traditional craft markets.

Read the full Vientiane guide

Guide content from Wikivoyage contributors (CC BY-SA).

Round out the trip

Popular from Siem Reap

Cheapest destinations travellers searched recently — refreshed daily.

Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-10-04. Some links earn Stayonomy a commission at no cost to you.