$149 Cheap Flights to Kailua, HI

September is the cheapest month to fly to Kailua. Demand is lower then, so fares are usually more affordable. Booking your trip outside of public and school holidays could also help you save.

Score cheap flights to Kailua from Los Angeles, Seattle and San Francisco. These cities usually offer the best fares to this top destination. But bear in mind that stopovers, seasonality and demand will also impact rates, so remain flexible and book when prices are right.

Pick from 25 US cities with direct flights to Kailua. When booking on Expedia, check "Direct flights only" to compare nonstop routes. Fly to Kailua from any of these leading cities:

• Los Angeles
• Seattle
• San Francisco
• Las Vegas
• San Jose

Book in advance or look for a cheap flight to Kailua during off-season months like April and June. Leaving on a Thursday could also save you 16% on average compared to a Sunday departure.* The Expedia app makes it even easier to know when to book. Just activate the toggle for "Watch prices" and get notified when there's a better deal.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Being flexible about your travel plans can help you to find last-minute deals on cheap flights to Kailua. To see all the available options, try looking at different ticket types, tweaking your Kailua vacation dates, leaving from an alternative airport or using another airline.

Secure the departure dates you want and a price that fits your budget by booking your domestic flight to Kailua up to 28 days in advance. Lock in tickets between two and four months ahead if you're jetting to Kailua from an international destination.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Sundays are generally the best day to book a cheap flight to Kailua, with savings of around 8% on average compared to Fridays. If you decide to buy tickets on a Friday, expect to pay more as this is typically the most expensive day.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

When it's time to get away, these top carriers will make journeying to Kailua nice and easy:

• Hawaiian Airlines - 2,603 flights to Kailua each month, including 2,603 flights to Daniel K. Inouye Intl. Airport (HNL) per month.
• Southern Airways Express - 846 flights to Kailua each month, including 846 flights to Daniel K. Inouye Intl. Airport (HNL) per month.

Bundle your flights and accommodations and you could save hundreds of dollars. Better still, you can add extras like tours and car rentals to your Kailua flight and hotel package deal. With Expedia, it's simple to book all your Kailua travel arrangements in one place.

If you booked your flight to Kailua in the last 24 hours, you can often cancel or change it without fees. After that, extra charges may apply depending on the airline's terms and conditions. To learn more, head to our Customer Service Portal. Keep in mind that some flights are non-refundable, so you may be issued a credit toward a future trip instead of a direct refund. When browsing on Expedia, select the "No cancel fee" or "Changes included" boxes to see fares with flexible change policies.