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

Return flights

01 Jul - 06 Jul	Vietnam Airlines
03 Jul - 08 Jul	Vietnam Airlines
31 Jul - 08 Aug	Vietnam Airlines
01 Jul - 15 Jul	AirAsia X
03 Jul - 06 Jul	AirAsia X
03 Jul - 15 Jul	AirAsia X
31 Jul - 17 Aug	AirAsia X
31 Jul - 15 Aug	AirAsia X

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

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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Cheapest return flights from Seoul to Vientiane in July from $264

Return flights