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Cheapest cached fares Siem Reap → Vientiane; typically 1 stop (e.g. FD). · Based on 7 fares found by travellers in the last 48h
Best value: May — fares from €205 and ~33°C daytime.
Flights from Siem Reap to Vientiane start around €205 (typically 1 stop). Range seen recently: €205–254, based on 7 fares found by travellers.
In Jan, Vientiane typically sees ~29°C daytime highs and 1 rainy days.
3★+ hotels from €19/night (35 hotels sampled, ~3 weeks out).
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.
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).
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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 2026-11-03. Some links earn Stayonomy a commission at no cost to you.