Cheapest return flights from Ko Samui to Vientiane in December from 636€

AirHint found the following cheapest return flights from Ko Samui (USM) to Vientiane (VTE) in December 2025 (see full year).

Return flights

23 Dec - 03 Jan Thai Airways

Also check the deals for one-way flights from Ko Samui to Vientiane in December.

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