Cheapest return flights from Seoul to Vientiane in December from $270

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

Return flights

18 Dec - 22 Dec Vietnam Airlines
29 Dec - 27 Jan T'way Air direct
23 Dec - 30 Dec China Southern
11 Dec - 25 Dec China Southern
07 Dec - 13 Dec China Southern
11 Dec - 14 Dec China Southern
09 Dec - 12 Dec China Southern
05 Dec - 10 Dec China Southern
11 Dec - 18 Dec China Southern
12 Dec - 15 Dec China Southern
02 Dec - 09 Dec China Southern
31 Dec - 03 Jan China Southern
31 Dec - 04 Jan China Southern
18 Dec - 02 Jan China Southern
30 Dec - 03 Jan China Southern
30 Dec - 04 Jan China Southern
18 Dec - 03 Jan China Southern
25 Dec - 01 Jan China Southern
25 Dec - 04 Jan China Southern
25 Dec - 03 Jan China Southern

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

Skyscanner

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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