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

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

Return flights

12 Apr - 22 Apr Vietnam Airlines
12 Apr - 24 Apr Vietnam Airlines
03 Apr - 18 Apr Vietnam Airlines
04 Apr - 18 Apr Vietnam Airlines
02 Apr - 10 Apr Vietnam Airlines
06 Apr - 14 Apr Vietnam Airlines
26 Apr - 30 Apr Vietnam Airlines
01 Apr - 10 Apr Vietnam Airlines
01 Apr - 05 Apr Vietnam Airlines
08 Apr - 12 Apr Vietnam Airlines
01 Apr - 03 May Vietnam Airlines
28 Apr - 03 May Vietnam Airlines
29 Apr - 03 May Vietnam Airlines
29 Apr - 05 May Vietnam Airlines
30 Apr - 05 May Vietnam Airlines
30 Apr - 04 May Vietnam Airlines
12 Apr - 02 May Vietnam Airlines

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

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