Our data shows that March tends to be the cheapest month to fly to Boston from Kaua'i. Users have commonly found prices around $671 for the month, but tickets can be as low as $493. Due to multiple factors, prepare for potentially higher prices in April.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kaua'i to Boston as you normally would.
||$284||$534||No cancel fee||69%|
||$314||$585||No cancel fee||71%|
||$335||$763||No cancel fee||85%|