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

One-Way flights

13 Dec	VietJet Air
11 Dec	Thai AirAsia
22 Dec	VietJet Air
27 Dec	VietJet Air
02 Dec	VietJet Air
19 Dec	Lao Airlines	direct
05 Dec	Lao Airlines	direct
10 Dec	Lao Airlines	direct
21 Dec	Lao Airlines	direct
11 Dec	Lao Airlines	direct

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

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 Vientiane to Seoul in December from $144

One-Way flights