AirHint found the following cheapest return flights from Seoul (ICN) to Vientiane (VTE) in August 2026 (see full year).
Return flights
| 08 Aug - 17 Aug | Vietnam Airlines | ||
| 08 Aug - 16 Aug | Vietnam Airlines | ||
| 13 Aug - 22 Aug | Vietnam Airlines | ||
| 01 Aug - 06 Aug | Singapore Airlines |
Also check the deals for one-way flights from Seoul to Vientiane in August.
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