Siem Reap to Vientiane

1 ways to travelfastest 3h 15mfly from €190
Photo: Will Sun / Unsplash

How the cheapest fare moved

Aug 11: €190 €190 Aug 8 Aug 11 low €190 · high €204

Departure-day prices · February 2026 Siem Reap → Vientiane

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Return-day prices · February 2026 Vientiane → Siem Reap

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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: Sep — fares from €190 and ~31°C daytime.

Flights from Siem Reap to Vientiane start around €190 (typically 1 stop). Range seen recently: €190–219, based on 6 fares found by travellers.

Fly (from €190)
3h 15mduration
€190–219recent fares
Book
Cheapest cached fares Siem Reap → Vientiane; typically 1 stop (e.g. K6). · Based on 6 fares found by travellers in the last 48h

Weather in Vientiane

Wed 🌧️ 31° 25° 💧100%
Thu ⛈️ 33° 25° 💧74%
Fri ⛈️ 31° 25° 💧94%
Sat ⛈️ 30° 24° 💧93%
Sun ⛈️ 30° 24° 💧91%
Mon ⛈️ 31° 24° 💧88%
Tue ⛈️ 31° 24° 💧94%

In Feb, Vientiane typically sees ~29°C daytime highs and 2 rainy days.

Where to stay in Vientiane

3★+ hotels from €19/night (37 hotels sampled, ~3 weeks out).

Mali Namphu Hotel hotel · Vientiane
from €19/night★ 3
Phonepaseuth Guesthouse hotel · Vientiane
from €19/night★ 3
Xaysomboun Hotel & SPA hotel · Vientiane
from €22/night★ 4

Good to know

Time differenceSame time zone

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 2026-08-12. Some links earn Stayonomy a commission at no cost to you.