HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$728+ Cheap flights from Kailua-Kona (KOA) to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — SYD
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kailua-Kona to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kailua-Kona to Sydney

Cheapest flights from Kailua-Kona to Sydney
Explore the most affordable flight options available from Kailua-Kona to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.

This BusinessClass deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:42 am
KOA
-
SYD
1 stop13h 08m
Alaska Airlines
Thu 5/288:45 pm
SYD
-
KOA
1 stop14h 36m
Alaska Airlines
Deal found 3/11$1,193
This Hawaiian Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:00 pm
KOA
-
SYD
1 stop25h 50m
Alaska Airlines
Thu 5/148:45 pm
SYD
-
KOA
1 stop12h 36m
Alaska Airlines
Deal found 3/11$1,217
This Hawaiian Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/262:30 pm
KOA
-
SYD
1 stop32h 20m
Alaska Airlines
Sun 5/38:45 pm
SYD
-
KOA
1 stop21h 31m
Alaska Airlines
Deal found 3/12$1,218
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:46 pm
KOA
-
SYD
2 stops48h 04m
Multiple Airlines
Thu 5/288:45 pm
SYD
-
KOA
1 stop19h 42m
Multiple Airlines
Deal found 3/11$1,288
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:36 pm
KOA
-
SYD
2 stops49h 14m
Multiple Airlines
Thu 5/148:45 pm
SYD
-
KOA
1 stop14h 36m
Multiple Airlines
Deal found 3/11$1,291
This Expedia deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:51 am
KOA
-
SYD
1 stop12h 59m
Multiple Airlines
Wed 4/157:25 pm
SYD
-
KOA
2 stops42h 41m
Multiple Airlines
Deal found 3/9$1,340
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:59 am
KOA
-
SYD
1 stop12h 51m
Multiple Airlines
Sat 5/28:45 pm
SYD
-
KOA
2 stops43h 07m
Multiple Airlines
Deal found 3/11$1,415
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:04 pm
KOA
-
SYD
2 stops35h 56m
United Airlines
Thu 5/149:30 am
SYD
-
KOA
2 stops30h 20m
United Airlines
Deal found 3/11$1,688
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:04 pm
KOA
-
SYD
2 stops35h 56m
United Airlines
Thu 5/2810:20 am
SYD
-
KOA
2 stops29h 27m
United Airlines
Deal found 3/11$1,738
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/261:05 pm
KOA
-
SYD
1 stop21h 55m
United Airlines
Sun 5/39:30 am
SYD
-
KOA
2 stops30h 20m
United Airlines
Deal found 3/12$1,790
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:02 pm
KOA
-
SYD
1 stop22h 53m
United Airlines
Thu 4/309:30 am
SYD
-
KOA
1 stop22h 30m
United Airlines
Deal found 3/9$1,884

Find flight deals from Kailua-Kona to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,193
(BusinessClass)

One-way from

$787
(Kiwi.com)
Provider with most accurate pricing for Kona Intl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kona Intl-Sydney Kingsford Smith flights.
Search Deals
From Kona Intl to Sydney Kingsford Smith
Search Deals
One-way flight from Kona Intl to Sydney Kingsford Smith
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kailua-Kona to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
Use the filters below to find and compare flights from Kailua-Kona to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kailua-KonaSydney

KOA - SYD

KOASYD

Kona Intl

Tue 5/5

9:00 pm-6:50 pm

1 stop25h 50m

Sydney Kingsford Smith

Thu 5/14

8:45 pm-1:21 pm

1 stop12h 36m

$1,217

Kailua-KonaSydney

KOA - SYD

KOASYD

Kona Intl

Sat 4/25

9:59 am-6:50 pm

1 stop12h 51m

Sydney Kingsford Smith

Sat 5/2

8:45 pm-7:52 pm

2 stops43h 07m

$1,415

Kailua-KonaSydney

KOA - SYD

KOASYD

Kona Intl

Sun 4/26

1:05 pm-7:00 am

1 stop21h 55m

Sydney Kingsford Smith

Sun 5/3

9:30 am-7:50 pm

2 stops30h 20m

$1,790

Kailua-KonaSydney

KOA - SYD

KOASYD

Kona Intl

Thu 4/23

12:02 pm-6:55 am

1 stop22h 53m

Sydney Kingsford Smith

Thu 4/30

9:30 am-12:00 pm

1 stop22h 30m

$1,884
Quickest round-trip

Kailua-KonaSydney

KOA - SYD

KOASYD

Kona Intl

Thu 5/14

8:51 am-6:30 pm

1 stop13h 39m

Sydney Kingsford Smith

Mon 5/18

8:15 pm-1:21 pm

1 stop13h 06m

$1,902

Kailua-KonaSydney

KOA - SYD

KOASYD

Kona Intl

Sat 4/25

10:07 pm-9:00 am

2 stops38h 53m

Sydney Kingsford Smith

Sat 5/2

11:00 am-5:43 pm

2 stops50h 43m

$2,054

Kailua-KonaSydney

KOA - SYD

KOASYD

Kona Intl

Wed 4/1

8:51 am-8:30 am

2 stops26h 39m

Sydney Kingsford Smith

Wed 4/15

9:30 am-2:20 pm

2 stops24h 50m

$2,060

Kailua-KonaSydney

KOA - SYD

KOASYD

Kona Intl

Sat 4/25

10:30 am-6:55 am

2 stops24h 25m

Sydney Kingsford Smith

Sat 5/2

10:20 am-10:16 pm

2 stops31h 56m

$2,124
Cheapest one-way
Quickest one-way

Kailua-KonaSydney

KOA - SYD

KOASYD

Kona Intl

Wed 5/6

6:00 am-6:50 pm

1 stop16h 50m

$728

Kailua-KonaSydney

KOA - SYD

KOASYD

Kona Intl

Fri 4/17

2:39 pm-7:30 am

1 stop44h 51m

$787

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 11 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Kailua-Kona-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kailua-Kona-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kailua-Kona-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kailua-Kona-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kailua-Kona to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Kailua-Kona with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Kailua-Kona to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kailua-Kona to Sydney?

    Alaska Airlines, United Airlines, and Qantas Airways can get you from Kailua-Kona to Sydney in just under 12h 48m. Your travel time can differ by up to 23h 08m. The distance between Kailua-Kona and Sydney is about 5076 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Kailua-Kona to Sydney that include hotel bookings?

    Yes. In addition to deals on Kailua-Kona to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kailua-Kona to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kailua-Kona to Sydney.

  • Can I find deals for business class flights from Kailua-Kona to Sydney?

    Yes. Cheapflights offers flight deals from Kailua-Kona to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kailua-Kona to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Honolulu to Sydney flights
Kahului to Sydney flights
Hilo to Sydney flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.