Cheapest return flights from Seoul to Vientiane in December from $259

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

Return flights

15 Dec - 22 Dec Vietnam Airlines
02 Dec - 06 Dec Vietnam Airlines
06 Dec - 11 Dec Vietnam Airlines
12 Dec - 18 Dec Vietnam Airlines
12 Dec - 06 Jan Vietnam Airlines
08 Dec - 13 Dec Vietnam Airlines
09 Dec - 14 Dec Vietnam Airlines
18 Dec - 22 Dec Vietnam Airlines
11 Dec - 15 Dec Vietnam Airlines
15 Dec - 18 Dec Vietnam Airlines
07 Dec - 10 Dec Vietnam Airlines
15 Dec - 07 Jan Vietnam Airlines
31 Dec - 11 Jan China Southern
31 Dec - 04 Jan China Southern
19 Dec - 01 Jan Vietnam Airlines
19 Dec - 04 Jan Vietnam Airlines
23 Dec - 06 Jan VietJet Air
27 Dec - 02 Jan VietJet Air
29 Dec - 05 Jan China Southern
29 Dec - 01 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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