Cheapest return flights from Seoul to Vientiane in December from 228€

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

Return flights

10 Dec - 14 Dec Vietnam Airlines
13 Dec - 17 Dec Vietnam Airlines
05 Dec - 12 Dec Vietnam Airlines
04 Dec - 11 Dec Vietnam Airlines
18 Dec - 22 Dec China Southern
02 Dec - 05 Dec China Southern
06 Dec - 11 Dec China Southern
11 Dec - 17 Dec China Southern
04 Dec - 12 Dec China Southern
06 Dec - 10 Dec China Southern
31 Dec - 06 Jan China Southern
10 Dec - 19 Jan China Southern
31 Dec - 08 Jan China Southern
31 Dec - 04 Jan China Southern
31 Dec - 10 Jan China Southern
31 Dec - 07 Jan China Southern
15 Dec - 15 Jan China Southern
31 Dec - 05 Jan China Southern
29 Dec - 05 Jan China Southern
29 Dec - 02 Jan China Southern

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

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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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