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

Return flights

18 Aug - 20 Aug	Jeju Air	direct
21 Aug - 24 Aug	Vietnam Airlines
21 Aug - 24 Aug	Jeju Air	direct
03 Aug - 08 Aug	Scoot
14 Aug - 20 Aug	Vietnam Airlines
03 Aug - 07 Aug	Singapore Airlines
01 Aug - 06 Aug	Vietnam Airlines
03 Aug - 09 Aug	Vietnam Airlines
14 Aug - 20 Aug	Jeju Air	direct
03 Aug - 07 Aug	Jeju Air	direct
18 Aug - 06 Sep	Lao Airlines	direct
21 Aug - 06 Sep	Lao Airlines	direct

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

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

Cheapest return flights from Seoul to Vientiane in August from $278

Return flights