Siem Reap to Vientiane

1 ways to travelfastest 2h 10mfly from €174
Photo: Will Sun / Unsplash

When is it cheapest to fly?

Nov: from €175 — show this month's calendar €175 NovDec: from €175 — show this month's calendar €175 DecJan: from €174 — show this month's calendar €174 JanFeb: from €175 — show this month's calendar €175 FebMar: from €183 — show this month's calendar €183 MarMay: from €237 — show this month's calendar €237 May

How the cheapest fare moved

Nov 13: €175 €175 Nov 9 Nov 13 low €174 · high €231

Departure-day prices · June 2030 Siem Reap → Vientiane

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Return-day prices · June 2030 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: Jan — fares from €174 and ~26°C daytime.

Flights from Siem Reap to Vientiane start around €174 (typically 1 stop). Range seen recently: €174–256, based on 30 fares found by travellers.

Fly (from €174)
2h 10mduration
€174–256recent fares
Book
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

Fri 🌦️ 29° 23° 💧37%
Sat 🌤️ 30° 22° 💧6%
Sun ☁️ 31° 23° 💧2%
Mon ☁️ 31° 23° 💧14%
Tue 🌦️ 31° 25° 💧54%
Wed ⛈️ 31° 24° 💧53%
Thu ☁️ 30° 23° 💧37%

Where to stay in Vientiane

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

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

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.

from €154
Half-Day Vientiane City Bike Tour | Laos★ 5.0 (5)
from €64
Vientiane Private Lao Cooking Class with Market Tour and Lunch★ 5.0 (4)
from €27
Get Your Laos–China Train Ticket Fast – No Waiting, No Worries★ 5.0 (3)
from €63
The Soul of Vientiane: History and Culture (Half Day Trip)★ 5.0 (3)
from €184
Vientiane: 100% Private & Personalized City Tour with Car & Guide★ 5.0 (2)
from €11
Laos Railway Tickets Online: Skip Long Queues, Avoid Missing★ 5.0 (2)

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

eSIM for VientianeData from the moment you land — no roaming bills. Rent a car in VientianeCompare local and international rental desks. Airport transferFixed-price pickup waiting at arrivals. Travel insuranceMedical + luggage cover from a few €/day.

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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 2026-11-13. Some links earn Stayonomy a commission at no cost to you.