There are most likely no direct flights on the Sanya — Vientiane route
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The cost of a one-way flight from Sanya to Vientiane ranges from $143 (October 2026) to $252 (May 2027). On average, the ticket price is about $166–$177.
A non-stop flight is the most convenient and comfortable way to fly from Sanya to Vientiane, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Tickets from Sanya to Vientiane are getting more expensive each month. From October 2026 to May 2027, the increase reached 77%, with prices now at $252. It's unlikely to get cheaper than the current level.
The most significant price increase was from October 2026 to May 2027 — up 77%. The best time to fly is October 2026–November 2026, when the average price is $145. In December 2026–May 2027, tickets cost around $209.
Given the rising prices, it's best not to delay your purchase. Flying in October 2026–November 2026 can save you up to 31% compared to the most expensive months.
Price variation across months on this route is 24.9%. Your choice of departure month significantly affects the total flight cost.
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There are most likely no direct flights on the Sanya — Vientiane route
There appear to be no non-stop flights from Sanya to Vientiane at this time.... Well, or something went wrong on our side and we couldn't find anything
starting at $134
starting at $165
Flights from Sanya to Vientiane are operated by several airlines — China Southern Airlines and Sichuan Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $134, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.
The cheapest flight ticket from Sanya to Vientiane according to data for the last 48 hours costs $134
Often the best time to buy tickets from Sanya to Vientiane is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Sanya to Vientiane can be found flying in these months: October, November, December.
The fastest flights from Sanya to Vientiane start from 8 hours 5 minutes in the air.
The following airlines operate direct flights on the route Sanya — Vientiane:
The cheapest one-way flight from Sanya to Vientiane departs on 11/01/2026, is operated by China Southern Airlines and costs $134
There is no information about the cheapest roundtrip flight from Sanya to Vientiane
Fastest flight from Sanya to Vientiane takes 8h 5m
There are no direct flights on this route.
The distance between Sanya and Vientiane is 723km (448 miles). The time difference between Sanya and Vientiane is 1h
We couldn't find any special offers for flights from Sanya to Vientiane
