Cheapest return flights from Seoul to Vientiane in March from $156

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

Return flights

02 Mar - 12 Mar T'way Air direct
01 Mar - 11 Mar T'way Air direct
03 Mar - 11 Mar T'way Air direct
22 Mar - 26 Mar T'way Air direct
15 Mar - 19 Mar T'way Air direct
16 Mar - 21 Mar T'way Air direct
03 Mar - 13 Mar T'way Air direct
08 Mar - 20 Mar T'way Air direct
07 Mar - 11 Mar T'way Air direct
11 Mar - 19 Mar T'way Air direct
31 Mar - 05 Apr Vietnam Airlines
04 Mar - 05 Apr Vietnam Airlines
31 Mar - 07 Apr Vietnam Airlines
26 Mar - 08 Apr Vietnam Airlines
23 Mar - 12 Apr Vietnam Airlines
26 Mar - 02 Apr Jeju Air

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

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