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Cheapest cached fares Vientiane → Haikou; direct flights available (e.g. HU). · Based on 2 fares found by travellers in the last 48h
Best value: Nov — fares from €120 and ~25°C daytime.
Flights from Vientiane to Haikou start around €120 (direct flights available). Range seen recently: €120–143, based on 2 fares found by travellers.
In Jun, Haikou typically sees ~35°C daytime highs and 15 rainy days.
3★+ hotels from €17/night (28 hotels sampled, ~3 weeks out).
Haikou (海口 Hǎikǒu) is the capital and largest city of Hainan Province in southern China and is at the north end of the Hainan Island. Haikou is a tropical coastal city that, as one of the least developed provincial capitals, has a somewhat laid-back atmosphere.
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 2026-09-30. Some links earn Stayonomy a commission at no cost to you.