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$735+ Cheap flights from Kaua'i 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — SYD
May 10 — May 171
Sun 5/10
Sun 5/17
1 adult, Economy
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Cheap flight deals from Kaua'i to Sydney

Cheapest flights from Kaua'i to Sydney
Explore the most affordable flight options available from Kaua'i to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.

This BusinessClass deal was found by Cheapflights users on 4/8. 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 4/96:47 am
LIH
-
SYD
1 stop16h 03m
Alaska Airlines
Fri 4/178:45 pm
SYD
-
LIH
1 stop19h 45m
Alaska Airlines
Deal found 4/8$1,241
This BusinessClass deal was found by Cheapflights users on 4/10. 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.
Mon 4/139:49 am
LIH
-
SYD
1 stop13h 01m
Alaska Airlines
Sat 4/258:45 pm
SYD
-
LIH
1 stop12h 39m
Alaska Airlines
Deal found 4/10$1,243
This Hawaiian Airlines deal was found by Cheapflights users on 4/6. 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.
Fri 8/218:12 am
LIH
-
SYD
1 stop14h 38m
Alaska Airlines
Tue 8/258:45 pm
SYD
-
LIH
1 stop16h 18m
Alaska Airlines
Deal found 4/6$1,259
This BusinessClass deal was found by Cheapflights users on 4/5. 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.
Fri 6/128:22 am
LIH
-
SYD
2 stops17h 28m
Multiple Airlines
Wed 6/2411:55 am
SYD
-
LIH
2 stops22h 03m
Multiple Airlines
Deal found 4/5$1,556

Find flight deals from Kaua'i to Sydney

Keep the following information in mind while searching for Kaua'i to Sydney flight deals. Data was last updated April 10, 2026.

Round-trip from

$1,259
(Hawaiian Airlines)

One-way from

$742
(BusinessClass)
From Kaua'i to Sydney Kingsford Smith
Search Deals
One-way flight from Kaua'i to Sydney Kingsford Smith
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kaua'i 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 April 10, 2026.
Use the filters below to find and compare flights from Kaua'i to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LihueSydney

LIH - SYD

LIHSYD

Lihue

Fri 8/21

9:43 am-6:50 pm

1 stop13h 07m

Sydney Kingsford Smith

Tue 8/25

8:45 pm-9:57 pm

1 stop21h 12m

$1,259

LihueSydney

LIH - SYD

LIHSYD

Lihue

Fri 6/12

8:22 am-9:50 pm

2 stops17h 28m

Sydney Kingsford Smith

Wed 6/24

11:55 am-1:58 pm

2 stops22h 03m

$1,556

LihueSydney

LIH - SYD

LIHSYD

Lihue

Fri 6/12

1:01 pm-7:00 am

1 stop21h 59m

Sydney Kingsford Smith

Wed 6/24

10:20 am-7:42 pm

1 stop29h 22m

$1,832

LihueSydney

LIH - SYD

LIHSYD

Lihue

Fri 8/21

10:55 pm-7:00 am

2 stops36h 05m

Sydney Kingsford Smith

Tue 8/25

10:20 am-12:01 pm

1 stop21h 41m

$2,348
Cheapest one-way

LihueSydney

LIH - SYD

LIHSYD

Lihue

Sun 7/12

6:16 pm-6:50 pm

1 stop28h 34m

$816
Quickest one-way

LihueSydney

LIH - SYD

LIHSYD

Lihue

Sun 7/12

6:00 am-9:50 pm

2 stops19h 50m

$978

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Sorted by cheapest first

Best time to book a flight from Kaua'i to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Kaua'i 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.

Cheapflights Insights

Everything you need to know about your flight from Kaua'i to Sydney
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Sydney from Kaua'i?

    Located just 4.6 mi from the city center, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Kaua'i.

  • How long is the flight from Kaua'i to Sydney?

    A quick flight from Kaua'i to Sydney can take about 13h 07m. Alaska Airlines provides one of the quickest options available for as low as $1,259. The distance from Kaua'i to Sydney is about 5046 mi.

  • Can I find deals for flights from Kaua'i to Sydney that include hotel bookings?

    Yes. In addition to deals on Kaua'i to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kaua'i to Sydney?

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

  • Can I find deals for business class flights from Kaua'i to Sydney?

    Yes. Cheapflights offers flight deals from Kaua'i 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

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