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

Return flights

15 Jul - 19 Jul	Vietnam Airlines
16 Jul - 20 Jul	Vietnam Airlines
17 Jul - 25 Jul	China Southern
17 Jul - 26 Jul	China Southern
14 Jul - 18 Jul	China Southern
22 Jul - 26 Jul	China Southern
17 Jul - 24 Jul	Singapore Airlines

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 240€

Return flights