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

AirHint found the following cheapest return flights from Seoul (ICN) to Vientiane (VTE) in September 2026 (see full year).

Return flights

12 Sep - 20 Sep Vietnam Airlines
01 Sep - 04 Sep Jeju Air direct
03 Sep - 08 Sep Jeju Air direct
12 Sep - 20 Sep Jeju Air direct
03 Sep - 06 Sep Jeju Air direct
22 Sep - 24 Sep Vietnam Airlines
22 Sep - 24 Sep Jeju Air direct
24 Sep - 29 Sep Vietnam Airlines
24 Sep - 09 Oct Vietnam Airlines
03 Sep - 20 Sep Lao Airlines direct
03 Sep - 04 Sep Lao Airlines direct
22 Sep - 09 Oct Lao Airlines direct
24 Sep - 09 Oct Lao Airlines direct
21 Sep - 09 Oct Lao Airlines direct

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

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