Aerial view showing the crater of Mauna Loa volcano at Big Island Hawaii

Cheap Flights to Ka'u | Popular Routes to Ka'u from HK$5,597

View HK$5,597 flight on Tue, 16 Jun 2026Opens in a new window

Popular airlines to Ka'u

  • Alaska Airlines

  • United

  • American Airlines

  • Southwest Airlines

  • Japan Airlines

  • Philippine Airlines

  • Qantas Airways

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Cheap round-trip flights to Ka'u

Prices were available within the past 7 days and start at HK$5,597 for one-way flights and HK$9,502 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 16 Jun - Tue, 23 Jun
RDU
Raleigh
ITO
Hawaii Island
HK$9,502 Return, found 8 hours ago
HK$9,502
Return
found 8 hours ago
Select United flight, departing Tue, 16 Jun from Raleigh to Hawaii Island, returning Tue, 23 Jun, priced at HK$9,502 found 8 hours ago
United
Tue, 16 Jun - Tue, 23 Jun
RDU
Raleigh
ITO
Hawaii Island
HK$9,866 Return, found 8 hours ago
HK$9,866
Return
found 8 hours ago
Select United flight, departing Tue, 16 Jun from Raleigh to Hawaii Island, returning Tue, 23 Jun, priced at HK$9,866 found 8 hours ago
United
Tue, 16 Jun - Tue, 23 Jun
RDU
Raleigh
ITO
Hawaii Island
HK$9,887 Return, found 8 hours ago
HK$9,887
Return
found 8 hours ago
Select United flight, departing Tue, 16 Jun from Raleigh to Hawaii Island, returning Tue, 23 Jun, priced at HK$9,887 found 8 hours ago
Delta
Tue, 16 Jun - Tue, 23 Jun
RDU
Raleigh
ITO
Hawaii Island
HK$10,395 Return, found 8 hours ago
HK$10,395
Return
found 8 hours ago
Select Delta flight, departing Tue, 16 Jun from Raleigh to Hawaii Island, returning Tue, 23 Jun, priced at HK$10,395 found 8 hours ago
Delta
Tue, 16 Jun - Tue, 23 Jun
RDU
Raleigh
ITO
Hawaii Island
HK$10,437 Return, found 8 hours ago
HK$10,437
Return
found 8 hours ago
Select Delta flight, departing Tue, 16 Jun from Raleigh to Hawaii Island, returning Tue, 23 Jun, priced at HK$10,437 found 8 hours ago
Delta
Tue, 16 Jun - Tue, 23 Jun
RDU
Raleigh
ITO
Hawaii Island
HK$10,478 Return, found 8 hours ago
HK$10,478
Return
found 8 hours ago
Select Delta flight, departing Tue, 16 Jun from Raleigh to Hawaii Island, returning Tue, 23 Jun, priced at HK$10,478 found 8 hours ago
United
Tue, 16 Jun - Tue, 23 Jun
RDU
Raleigh
ITO
Hawaii Island
HK$10,655 Return, found 8 hours ago
HK$10,655
Return
found 8 hours ago
Select United flight, departing Tue, 16 Jun from Raleigh to Hawaii Island, returning Tue, 23 Jun, priced at HK$10,655 found 8 hours ago
Delta
Tue, 16 Jun - Tue, 23 Jun
RDU
Raleigh
ITO
Hawaii Island
HK$10,769 Return, found 8 hours ago
HK$10,769
Return
found 8 hours ago
Select Delta flight, departing Tue, 16 Jun from Raleigh to Hawaii Island, returning Tue, 23 Jun, priced at HK$10,769 found 8 hours ago
Delta
Tue, 16 Jun - Tue, 23 Jun
RDU
Raleigh
ITO
Hawaii Island
HK$10,811 Return, found 8 hours ago
HK$10,811
Return
found 8 hours ago
Select Delta flight, departing Tue, 16 Jun from Raleigh to Hawaii Island, returning Tue, 23 Jun, priced at HK$10,811 found 8 hours ago
Japan Airlines
Thu, 2 Jul - Wed, 15 Jul
HKG
Hong Kong SAR
ITO
Hawaii Island
HK$10,968 Return, found 3 days ago
HK$10,968
Return
found 3 days ago
Select Japan Airlines flight, departing Thu, 2 Jul from Hong Kong SAR to Hawaii Island, returning Wed, 15 Jul, priced at HK$10,968 found 3 days ago

Trending flights to Ka'u

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Thu, 2 Jul - Wed, 15 Jul
HKG
Hong Kong SAR
ITO
Hawaii Island
HK$10,968 Return, found 3 days ago
HK$10,968
Return
found 3 days ago
Select Japan Airlines flight, departing Thu, 2 Jul from Hong Kong SAR to Hawaii Island, returning Wed, 15 Jul, priced at HK$10,968 found 3 days ago

Frequently asked questions

How do I find cheap flights to Kau that have flexible change policies?
Search for your bargain flights to Kau, then mark the "No change fee" box directly under the "Flexible change policies" heading. It really is that easy. We get that travel plans change and flexibility matters, so book with confidence with Expedia.
Which airlines fly to Kau?
When you're ready to book your seat to or near Kau, these leading carriers look forward to welcoming you aboard:

  • Hawaiian Airlines - 672 flights to or near Kau each month, including 672 flights to Kona Intl. Airport (KOA) per month.
  • Southwest Airlines - 290 flights to or near Kau each month, including 290 flights to Kona Intl. Airport (KOA) per month.
  • Southern Airways Express - 182 flights to or near Kau each month, including 182 flights to Kona Intl. Airport (KOA) per month.

How can I find cheap tickets to Kau?
Book ahead of time, fly in or out of nearby airports, avoid holiday periods — there are lots of ways! Another one is to make the most of Expedia's "flexible dates" function. Find a Kau flight, then check out the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Kau was HK$9,502.
How much is a flight to Kau?
One-way flights taking off from Raleigh (RDU) sold for as low as HK$5,597 in the last seven days. During this time, the price of a round-trip fare to Kau ranged between HK$9,502 and HK$10,968. If you spot a bargain, book immediately — these prices don't hang around.
What are the most popular airports to fly into in Kau?
Start arranging your Kau journey by booking one of the 1,605 monthly flights to Kona Intl. Airport (KOA). This is the region's principal gateway.
When is the cheapest time to fly to Kau?
Jet off on a Tuesday to increase your chances of nabbing the cheapest deal to Kau. Mondays are usually the next most affordable day to depart. Saturday is typically the costliest day to fly anywhere.
How much is a plane ticket to Kau?
In the last seven days, airfares to Kau varied between HK$9,502 and HK$10,968. Prices depend on a number of things, particularly the departure time, airline, seating class and when you make your booking.
What is the best time to go to Kau?
A good time to visit Ocean View is after June 20 when the summer season begins. In Kau's major city, average temperatures vary from 21ºC to 24ºC during this time — perfect weather for sightseeing! January, February and June are the most popular months to travel to this destination.
What months are the cheapest to book a flight to Kau?
An inexpensive month to book a terrific deal to Kau is February, whereas prices are higher in December. Avoid this month if you'd like to save money.

Book with confidence

About Ka'u

Expedia offers flights to Ka'u to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Ka'u or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Ka'u
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