Cheapest return flights from Seoul to Vientiane in September from $221

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

Return flights

12 Sep - 19 Sep Vietnam Airlines
17 Sep - 24 Sep Vietnam Airlines
05 Sep - 14 Sep Vietnam Airlines
22 Sep - 16 Oct Vietnam Airlines
22 Sep - 30 Sep Jeju Air direct
09 Sep - 16 Sep Jeju Air direct
20 Sep - 26 Sep Jeju Air direct
26 Sep - 30 Sep Jeju Air direct
22 Sep - 25 Sep Jeju Air direct
20 Sep - 23 Sep Jeju Air direct
14 Sep - 19 Sep Jeju Air direct
28 Sep - 03 Oct Jeju Air direct
28 Sep - 01 Oct Jeju Air direct
28 Sep - 16 Oct Jeju Air direct
28 Sep - 13 Oct Air Seoul, Inc
02 Sep - 01 Oct Jeju Air direct
24 Sep - 01 Oct Jeju Air direct
28 Sep - 02 Oct Jeju Air direct
26 Sep - 30 Oct China Southern
23 Sep - 28 Oct China Southern

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

Skyscanner

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.

Book a cheap hotel in Vientiane

Cheap car rent in Vientiane

Feel free to contact us with any feedback or request another flight research.