AirHint found the following cheapest return flights from Vientiane (VTE) to Seoul (ICN) in March 2026 (see full year).

Return flights

26 Mar - 15 Apr	Thai AirAsia
29 Mar - 15 Apr	Thai AirAsia
28 Mar - 15 Apr	Thai AirAsia
25 Mar - 15 Apr	Thai AirAsia
31 Mar - 20 Apr	Thai AirAsia
31 Mar - 15 Apr	Thai AirAsia
01 Mar - 04 Mar	Thai AirAsia
26 Mar - 08 Apr	Thai AirAsia
22 Mar - 08 Apr	Thai AirAsia
24 Mar - 08 Apr	Thai AirAsia
29 Mar - 08 Apr	Thai AirAsia
01 Mar - 02 Mar	Thai AirAsia
15 Mar - 27 Mar	Thai AirAsia
22 Mar - 27 Mar	Thai AirAsia
24 Mar - 27 Mar	Thai AirAsia
10 Mar - 27 Mar	Thai AirAsia
11 Mar - 27 Mar	Thai AirAsia
17 Mar - 27 Mar	Thai AirAsia
09 Mar - 27 Mar	Thai AirAsia
25 Mar - 27 Mar	Thai AirAsia

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

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 return flights from Vientiane to Seoul in March from 392€

Return flights