Cheapest return flights from Seoul to Vientiane in April from $236

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

Return flights

22 Apr - 30 Apr Vietnam Airlines
09 Apr - 13 Apr Vietnam Airlines
23 Apr - 30 Apr Vietnam Airlines
02 Apr - 22 Apr Vietnam Airlines
24 Apr - 26 Apr Vietnam Airlines
22 Apr - 25 Apr Vietnam Airlines
02 Apr - 30 Apr Vietnam Airlines
02 Apr - 24 Apr Vietnam Airlines
02 Apr - 09 Apr Vietnam Airlines
22 Apr - 09 May Vietnam Airlines
23 Apr - 01 May Vietnam Airlines
24 Apr - 02 May Vietnam Airlines
25 Apr - 05 May Vietnam Airlines
22 Apr - 26 Apr Vietnam Airlines
24 Apr - 01 May Vietnam Airlines
25 Apr - 03 May Vietnam Airlines
23 Apr - 02 May Vietnam Airlines
27 Apr - 09 May Vietnam Airlines
27 Apr - 01 May Vietnam Airlines
26 Apr - 10 May Vietnam Airlines

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

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