Cheapest return flights from Seoul to Vientiane in April from $636
AirHint found the following cheapest return flights from Seoul (ICN) to Vientiane (VTE) in April 2025 (see full year).
Return flights
| 18 Apr - 06 May | AirAsia X | ||
| 04 Apr - 10 Apr | Thai Airways | ||
| 18 Apr - 23 Apr | Thai Airways | ||
| 30 Apr - 04 May | Thai Airways |
Also check the deals for one-way flights from Seoul to Vientiane in April.
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.
