AirHint found the following cheapest one-way flights from Seoul (ICN) to Vientiane (VTE) in October 2025 (see full year).

One-Way flights

14 Oct	VietJet Air
13 Oct	VietJet Air
11 Oct	VietJet Air
12 Oct	Jeju Air	direct
17 Oct	Jeju Air	direct
26 Oct	Jeju Air	direct
25 Oct	Jeju Air	direct
14 Oct	Jeju Air	direct
15 Oct	VietJet Air
10 Oct	Jeju Air	direct

Also check the deals for return flights from Seoul to Vientiane in October.

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 one-way flights from Seoul to Vientiane in October from 84€

One-Way flights