Siem Reap to Vientiane

1 ways to travelfastest 2h 10mfly from €173
Photo: Will Sun / Unsplash

How the cheapest fare moved

Nov 12: €174 €174 Nov 5 Nov 12 low €173 · high €231

Departure-day prices · April 2022 Siem Reap → Vientiane

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Return-day prices · April 2022 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, 24 rainy days 33° MayJun: ~32°C daytime, 30 rainy days 32° JunJul: ~31°C daytime, 25 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: Dec — fares from €173 and ~29°C daytime.

Flights from Siem Reap to Vientiane start around €173 (typically 1 stop). Range seen recently: €173–246, based on 30 fares found by travellers.

Fly (from €173)
2h 10mduration
€173–246recent fares
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Cheapest cached fares Siem Reap → Vientiane; typically 1 stop (e.g. QV). · Based on 30 fares found by travellers in the last 48h

Weather in Vientiane

Thu 🌦️ 28° 21° 💧47%
Fri 🌦️ 30° 22° 💧4%
Sat 🌤️ 30° 23° 💧29%
Sun ☁️ 31° 24° 💧22%
Mon 🌤️ 31° 24° 💧31%
Tue 🌦️ 32° 24° 💧49%
Wed ⛈️ 31° 23° 💧63%

In Apr, Vientiane typically sees ~32°C daytime highs and 14 rainy days.

Where to stay in Vientiane

3★+ hotels from €20/night (36 hotels sampled, ~3 weeks out).

Phonepaseuth Guesthouse hotel · Vientiane
from €20/night★ 3
Vientiane Golden Sun Hotel & Spa hotel · Vientiane
from €22/night★ 3
Viryla Boutique Hotel hotel · Vientiane
from €23/night★ 3

Good to know

Time differenceSame time zone

Things to do in Vientiane

Top-rated tours and tickets from €27 — 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 2026-11-12. Some links earn Stayonomy a commission at no cost to you.