Travellers have found that booking a Sunday departure is the best way to save up to 125% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Regina to Lihue as you normally would.
The Regina to Lihue flight path was viewed by 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.