How the cheapest fare moved
Oct 7: €219 €219
Oct 2
Oct 7
low €203 · high €234
Departure-day prices · June 2025 Siem Reap → Vientiane
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Return-day prices · June 2025 Vientiane → Siem Reap
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Best time to visit Vientiane — climate Jan: ~26°C daytime, 0 rainy days
26°
Jan Feb: ~29°C daytime, 2 rainy days
29°
Feb Mar: ~32°C daytime, 1 rainy days
32°
Mar Apr: ~33°C daytime, 11 rainy days
33°
Apr May: ~33°C daytime, 25 rainy days
33°
May Jun: ~32°C daytime, 30 rainy days
32°
Jun Jul: ~31°C daytime, 26 rainy days
31°
Jul Aug: ~31°C daytime, 25 rainy days
31°
Aug Sep: ~31°C daytime, 29 rainy days
31°
Sep Oct: ~31°C daytime, 18 rainy days
31°
Oct Nov: ~29°C daytime, 8 rainy days
29°
Nov Dec: ~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: €198–269, based on 26 fares found by travellers.
Fly (from €198)
2h 15m duration
€198–269 recent fares
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Cheapest cached fares Siem Reap → Vientiane; typically 1 stop (e.g. FD). · Based on 26 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 9 – Nov 15
THAI Airways · 1 stop · 2h 15m
€393
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Nov 9 – Nov 16
THAI Airways · 1 stop · 2h 15m
€393
Book
Nov 11 – Nov 15
THAI Airways · 1 stop · 2h 15m
€393
Book
Nov 12 – Nov 15
THAI Airways · 1 stop · 2h 15m
€393
Book
Nov 10 – Nov 24
THAI Airways · 1 stop · 2h 15m
€407
Book
Weather in Vientiane
Thu
☁️
30°
23°
💧14%
Fri
☁️
31°
23°
💧10%
Sat
⛈️
29°
23°
💧72%
Sun
☁️
31°
23°
💧8%
Mon
☁️
32°
24°
💧4%
Tue
🌦️
32°
25°
💧19%
Wed
🌦️
31°
25°
💧22%
In Jun, Vientiane typically sees ~31°C daytime highs and 25 rainy days.
Where to stay in Vientiane 3★+ hotels from €19/night (37 hotels sampled, ~3 weeks out).
Viryla Boutique Hotel
hotel · Vientiane
from €19/night ★ 3
Phonepaseuth Guesthouse
hotel · Vientiane
from €20/night ★ 3
Mali Namphu Hotel
hotel · Vientiane
from €22/night ★ 3
Good to know Time difference Same time zone
Time in the air 2h 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).
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 2026-10-07. Some links earn Stayonomy a commission at no cost to you.
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