Yes, there are multiple flights from Vietnam to EuroAirport Swiss for under 20,713,464₫. The cheapest flight booked recently is on Air France for just 19,654,776₫, but on average you can expect to pay 56,432,680₫.
There are no direct flights from Vietnam to EuroAirport Swiss, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
For as low as 19,654,776₫, Air France can have you in EuroAirport Swiss from Vietnam in 16h 05m. This flight may include one or multiple stops.
Cheapflights users have booked flights from Vietnam to EuroAirport Swiss round-trip from 19,654,776₫. Other airlines that can offer you cheap pricing are ANA, from 125,224,400₫, and British Airways, from 130,471,808₫.