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

Return flights

04 Jul - 11 Jul	Jeju Air	direct
13 Jul - 20 Jul	Vietnam Airlines
10 Jul - 15 Jul	Jeju Air	direct
10 Jul - 15 Jul	Vietnam Airlines
13 Jul - 17 Jul	Jeju Air	direct
13 Jul - 17 Jul	Vietnam Airlines
21 Jul - 23 Jul	Jeju Air	direct
13 Jul - 20 Jul	Jeju Air	direct
25 Jul - 27 Jul	China Southern
25 Jul - 01 Aug	Vietnam Airlines
25 Jul - 01 Aug	Jeju Air	direct
25 Jul - 27 Jul	Jeju Air	direct

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 229€

Return flights