Cheapest return flights from Seoul to Vientiane in September from 187€

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

Return flights

14 Sep - 20 Sep Vietnam Airlines
08 Sep - 14 Sep Vietnam Airlines
21 Sep - 26 Sep VietJet Air
19 Sep - 23 Sep VietJet Air
05 Sep - 10 Sep VietJet Air
07 Sep - 13 Sep VietJet Air
04 Sep - 07 Sep Vietnam Airlines
23 Sep - 26 Sep Vietnam Airlines
14 Sep - 27 Sep Jeju Air direct
24 Sep - 27 Sep Jeju Air direct
24 Sep - 18 Oct Jeju Air direct
26 Sep - 01 Oct Jeju Air direct
26 Sep - 03 Oct Jeju Air direct
28 Sep - 03 Oct Jeju Air direct
04 Sep - 31 Oct China Southern
26 Sep - 30 Oct Jeju Air direct
28 Sep - 02 Oct Jeju Air direct
24 Sep - 15 Oct Jeju Air direct
24 Sep - 15 Oct China Southern
15 Sep - 01 Oct AirAsia X

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.