Cheapest return flights from Seoul to Vientiane in September from $249

Best time to book flights for Seoul (ICN) to Vientiane (VTE) flights at AirHint

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

Return flights

17 Sep - 21 Sep VietJet Air
27 Sep - 26 Oct Vietnam Airlines
15 Sep - 23 Sep Vietnam Airlines
13 Sep - 17 Sep Vietnam Airlines
19 Sep - 24 Sep Vietnam Airlines
25 Sep - 29 Sep Vietnam Airlines
06 Sep - 14 Sep Vietnam Airlines
06 Sep - 09 Sep Vietnam Airlines
06 Sep - 13 Sep Vietnam Airlines
11 Sep - 14 Sep Vietnam Airlines
17 Sep - 18 Sep Vietnam Airlines
28 Sep - 15 Oct Vietnam Airlines
26 Sep - 19 Oct Vietnam Airlines
27 Sep - 19 Oct Vietnam Airlines
27 Sep - 13 Oct Vietnam Airlines
30 Sep - 14 Oct Vietnam Airlines
30 Sep - 13 Oct Vietnam Airlines
30 Sep - 12 Oct VietJet Air
26 Sep - 19 Oct Jeju Air direct
27 Sep - 19 Oct Jeju Air direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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