How far in advance should I book a flight on Hawaiian Airlines? Booking a flight on Hawaiian Airlines is a decision that depends on several factors, including travel dates, flexibility, and budget. As a popular airline for travel to and from Hawaii, it is advisable to book your flight as soon as possible to ensure the best rates and availability. Generally, booking your flight at least three to six months in advance can often result in lower prices and more flight options, especially during peak travel seasons or holidays. However, keep in mind that there may also be last-minute deals or promotions available, so it's worth checking regularly to see if you're flexible with your travel......See More