At the moment, there are zero airlines flying to Harbin. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Harbin.
If you can't find a flight time that suits you, why not look at flying out from a different airport?
You can view all flight times yourself in the results list.
If you want to travel in August, it's best to book your flights early, as this is peak season in Harbin. The cheapest month to fly is normally June – try searching three to four months prior to then to get a bargain. You can also search by month, which will reveal the cheapest time of the week to fly.