Yes, there are multiple flights from Tan Son Nhut Intl to Ljubljana for under 32,272,936₫. The cheapest flight booked recently is on Singapore Airlines for just 31,281,696₫, but on average you can expect to pay 41,447,672₫.
There are no direct flights from Tan Son Nhut Intl to Ljubljana, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Ho Chi Minh City is typically less than Ljubljana. We can gather that this will continue over the next 2 days.
You can imagine temperatures to be in the 35 °C range in April. The weather in Ljubljana is generally colder than Ho Chi Minh City's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.
For as low as 32,826,188₫, Turkish Airlines can have you in Ljubljana from Tan Son Nhut Intl in 15h 50m. Both multi-stop and direct flights can be found to your destination and back.
Flying on Singapore Airlines is currently your cheapest option to Ljubljana, with prices starting at 31,281,696₫. Another option worth looking into is Turkish Airlines, starting at 32,826,188₫ round trip.