June can be a great time to fly to San Jose from Hanoi with a flight ticket averaging about 21,776,088 ₫. Cheapflights users have found deals in the month of June for as cheap as 16,885,510 ₫. The most expensive prices can be found in the month of February.
When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Hanoi is roughly greater than that of San Jose. You can assume this to be the case over the next 18 days.
We forecast the temperature to be around the 34 °C's in June, on average. The temperature in San Jose is generally colder than in Hanoi. Book flights in a timely manner in correlation to your departure date.