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Cheapest cached fares Siem Reap → Vientiane; typically 1 stop (e.g. K6). · Based on 6 fares found by travellers in the last 48h
Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.
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.
In Apr, Vientiane typically sees ~36°C daytime highs and 6 rainy days.
3★+ hotels from €19/night (37 hotels sampled, ~3 weeks out).
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.
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.
Guide content from Wikivoyage contributors (CC BY-SA).
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.