Cheapest return flights from Seoul to Vientiane in September from $251

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

Return flights

12 Sep - 16 Sep Vietnam Airlines
15 Sep - 22 Sep Vietnam Airlines
16 Sep - 20 Sep Vietnam Airlines
07 Sep - 10 Sep Vietnam Airlines
17 Sep - 28 Sep Vietnam Airlines
11 Sep - 15 Sep Vietnam Airlines
25 Sep - 04 Oct Vietnam Airlines
25 Sep - 10 Oct Vietnam Airlines
06 Sep - 11 Sep Vietnam Airlines
04 Sep - 07 Sep Vietnam Airlines
05 Sep - 07 Sep Vietnam Airlines
04 Sep - 08 Sep Vietnam Airlines
24 Sep - 04 Oct Vietnam Airlines
23 Sep - 04 Oct Vietnam Airlines
24 Sep - 11 Oct Vietnam Airlines
22 Sep - 09 Oct Lao Airlines direct
22 Sep - 11 Oct Lao Airlines direct
18 Sep - 04 Oct Lao Airlines direct
25 Sep - 09 Oct Lao Airlines direct
25 Sep - 11 Oct Lao Airlines direct

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

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