The best pricing can be found in the month of November. Prices to Barcelona from Kahului average $1,137. You can even find prices in November for less than $1,137, as users have found deals to Barcelona from as low as $503. The month of May appears to be one of the more expensive times to travel to Barcelona from Kahului. Flying in the targeted month can save you up to 52%.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kahului to Barcelona as you normally would.