Siem Reap to Vientiane

1 ways to travelfastest 2h 10mfly from €187
Photo: Will Sun / Unsplash

How the cheapest fare moved

Oct 22: €195 €195 Oct 16 Oct 22 low €187 · high €210

Departure-day prices · April 2023 Siem Reap → Vientiane

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Return-day prices · April 2023 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: Nov — fares from €187 and ~29°C daytime.

Flights from Siem Reap to Vientiane start around €187 (typically 1 stop). Range seen recently: €187–277, based on 21 fares found by travellers.

Fly (from €187)
2h 10mduration
€187–277recent fares
Book
Cheapest cached fares Siem Reap → Vientiane; typically 1 stop (e.g. FD). · Based on 21 fares found by travellers in the last 48h

Cheapest round trips to Vientiane

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

Jan 27 – Feb 26 THAI Airways · 1 stop · 2h 15m €379 Book

Weather in Vientiane

Fri ☀️ 33° 25° 💧6%
Sat 🌦️ 32° 25° 💧25%
Sun 🌧️ 32° 24° 💧41%
Mon ⛈️ 31° 24° 💧96%
Tue ⛈️ 31° 23° 💧69%
Wed ☀️ 31° 23° 💧20%
Thu ☀️ 31° 23° 💧8%

In Apr, Vientiane typically sees ~32°C daytime highs and 9 rainy days.

Where to stay in Vientiane

3★+ hotels from €19/night (35 hotels sampled, ~3 weeks out).

Phonepaseuth Guesthouse hotel · Vientiane
from €19/night★ 3
Viryla Boutique Hotel hotel · Vientiane
from €23/night★ 3
Mali Namphu Hotel hotel · Vientiane
from €24/night★ 3

Good to know

Time differenceSame time zone
Time in the air2h 15m

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 2026-10-23. Some links earn Stayonomy a commission at no cost to you.