Go through your results for flights to Hilo in the USA with Netflights. The most popular airlines for this route are All Nippon & Korean Air, with All Nippon claiming the top spot. Although United Airlines usually has the best prices, it's best to double check what's available for your travel dates.
If you don’t have set dates for when you want to fly to Hilo, try searching by month – that way, you can compare airfares throughout the year.
Hilo receives ten direct and indirect flights every week, but the cheapest airline is normally United Airlines. So, if the flights to Hilo don't work for you, you could always try searching for flights to other airports in the USA.
For even more options, check what other airports you could fly to Hilo from. You might be able to make a saving by going from a different airport or city.