Cheapest return flights from Seoul to Vientiane in April from 221€

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

Return flights

13 Apr - 17 Apr Vietnam Airlines
01 Apr - 05 Apr Vietnam Airlines
15 Apr - 18 Apr Vietnam Airlines
17 Apr - 21 Apr Vietnam Airlines
23 Apr - 27 Apr Vietnam Airlines
09 Apr - 12 Apr Vietnam Airlines
16 Apr - 19 Apr Vietnam Airlines
04 Apr - 09 Apr Vietnam Airlines
08 Apr - 11 Apr Vietnam Airlines
08 Apr - 13 Apr Vietnam Airlines
30 Apr - 05 May Vietnam Airlines

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

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