Cheapest return flights from Seoul to Vientiane in December from $268

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

Return flights

31 Dec - 08 Jan T'way Air direct
30 Dec - 07 Jan Jeju Air direct
31 Dec - 01 Jan T'way Air direct
31 Dec - 07 Jan T'way Air direct
31 Dec - 06 Jan T'way Air direct
31 Dec - 28 Jan T'way Air direct
30 Dec - 01 Jan T'way Air direct
30 Dec - 19 Jan Jeju Air
30 Dec - 15 Jan T'way Air direct
30 Dec - 10 Jan Jeju Air direct
30 Dec - 30 Dec Lao Airlines direct
29 Dec - 30 Dec Lao Airlines direct
30 Dec - 31 Dec Lao Airlines direct
29 Dec - 29 Dec Lao Airlines direct
29 Dec - 31 Dec Lao Airlines direct
31 Dec - 31 Dec Lao Airlines direct

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

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