Cheapest return flights from Seoul to Vientiane in September from $215

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

Return flights

22 Sep - 26 Sep Jeju Air direct
23 Sep - 25 Sep Jeju Air direct
17 Sep - 26 Sep Jeju Air direct
21 Sep - 24 Sep Jeju Air direct
21 Sep - 30 Sep Jeju Air direct
22 Sep - 30 Sep Jeju Air direct
21 Sep - 23 Sep Jeju Air direct
22 Sep - 28 Sep Jeju Air direct
23 Sep - 28 Sep Jeju Air direct
21 Sep - 01 Oct Jeju Air direct
21 Sep - 16 Oct Jeju Air direct
22 Sep - 05 Oct Jeju Air direct
23 Sep - 15 Oct Jeju Air direct
23 Sep - 02 Oct Jeju Air direct
17 Sep - 20 Sep Jeju Air direct
23 Sep - 17 Oct Jeju Air direct
22 Sep - 22 Oct Jeju Air direct
22 Sep - 01 Oct Jeju Air direct
21 Sep - 06 Oct Jeju Air direct
22 Sep - 03 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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