Cheap flights from Australia to Kaua'i from $596

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIH
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Find flight deals from Australia to Kaua'i

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Kaua'i
Explore the most affordable flight options available from Australia to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Thu 4/1221:40SYD - LIH
1 stop17h 44mHawaiian Airlines
Thu 11/1206:00LIH - SYD
1 stop16h 45mHawaiian Airlines
Deal found 20/10$891
Thu 4/1221:40SYD - LIH
2 stops32h 17mAlaska Airlines
Thu 11/1206:00LIH - SYD
1 stop16h 45mAlaska Airlines
Deal found 20/10$905
Thu 4/1213:00SYD - LIH
2 stops17h 24mMultiple Airlines
Thu 11/1206:00LIH - SYD
2 stops18h 00mMultiple Airlines
Deal found 20/10$1,087
Wed 3/1222:00SYD - LIH
2 stops32h 24mMultiple Airlines
Fri 12/1208:32LIH - SYD
1 stop12h 48mMultiple Airlines
Deal found 20/10$1,168
Wed 3/1218:25SYD - LIH
2 stops35h 59mMultiple Airlines
Wed 10/1217:35LIH - SYD
1 stop27h 45mMultiple Airlines
Deal found 18/10$1,199
Fri 5/1215:45MEL - LIH
2 stops17h 44mMultiple Airlines
Fri 12/1208:32LIH - MEL
2 stops18h 03mMultiple Airlines
Deal found 20/10$1,217
Wed 3/1219:00SYD - LIH
2 stops35h 24mQantas Airways
Wed 10/1208:32LIH - SYD
2 stops38h 43mQantas Airways
Deal found 18/10$1,462
Wed 22/1016:45MEL - LIH
2 stops16h 05mMultiple Airlines
Wed 29/1019:42LIH - MEL
1 stop23h 58mMultiple Airlines
Deal found 21/10$1,466
Wed 3/1219:30SYD - LIH
2 stops34h 54mQantas Airways
Fri 12/1208:32LIH - SYD
2 stops39h 08mQantas Airways
Deal found 20/10$1,509
Wed 3/1222:00SYD - LIH
2 stops32h 24mQantas Airways
Sat 13/1206:00LIH - SYD
2 stops16h 45mQantas Airways
Deal found 20/10$1,526
Wed 22/1010:30MEL - LIH
2 stops50h 06mUnited Airlines
Wed 29/1019:30LIH - MEL
2 stops40h 30mUnited Airlines
Deal found 21/10$2,170
Fri 5/1211:30MEL - LIH
1 stop22h 28mUnited Airlines
Fri 12/1214:30LIH - MEL
1 stop22h 30mUnited Airlines
Deal found 20/10$3,211

Cheap flight deals from Australia to Kaua'i

Keep the following information in mind while searching for Australia to Kaua'i flight deals. Data was last updated 21 October 2025.

Round-trip from

$891

One-way from

$596
Hawaiian Airlines
  • Hawaiian Airlines
  • 4/12-11/12
  • 2 total stops
  • 34h 29m total
  • Australia to Kaua'i
Alaska Airlines
  • Alaska Airlines
  • 15/1
  • 1 total stop
  • 15h 49m total
  • Australia to Kaua'i

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Kaua'i 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 647,157 searches. Data last updated 21 October 2025.
Use the filters below to find and compare flights from Australia to Kaua'i that are best for you.

Fly from

Australia

Fly to

Kaua'i

Route

Depart

Return

Price

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 4/12

21:40-18:24

1 stop17h 44m

Lihue

Thu 11/12

06:00-19:45

1 stop16h 45m

$891

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 4/12

21:40-08:57

2 stops32h 17m

Lihue

Thu 11/12

06:00-19:45

1 stop16h 45m

$905

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 4/12

13:00-09:24

2 stops17h 24m

Lihue

Thu 11/12

06:00-21:00

2 stops18h 00m

$1,087

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Thu 12/2

16:40-08:56

1 stop13h 16m

Lihue

Sat 21/2

06:00-16:40

1 stop13h 40m

$1,131

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 3/12

19:00-09:24

2 stops35h 24m

Lihue

Sat 13/12

08:32-18:20

1 stop12h 48m

$1,168

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 3/12

22:00-09:24

2 stops32h 24m

Lihue

Fri 12/12

08:32-18:20

1 stop12h 48m

$1,168

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 3/12

18:25-09:24

2 stops35h 59m

Lihue

Wed 10/12

17:35-18:20

1 stop27h 45m

$1,199

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Fri 5/12

15:45-12:29

2 stops17h 44m

Lihue

Fri 12/12

08:32-23:35

2 stops18h 03m

$1,217

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sun 11/1

21:40-06:57

1 stop30h 17m

Lihue

Sun 18/1

06:48-19:45

1 stop15h 57m

$1,313

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sun 11/1

21:40-08:58

2 stops32h 18m

Lihue

Sun 18/1

06:00-19:45

1 stop16h 45m

$1,333

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 15 results
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Best time to book a flight from Australia to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Australia with our price prediction graph.
Estimated return 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 Australia to Kaua'i
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Related info for your journey

Find useful and relevant information for your journey from Australia to Kaua'i. 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 Australia to Kaua'i?

    For as low as $891, Hawaiian Airlines can have you in Kaua'i from Australia in 17h 44m. The distance between Australia and Kaua'i is about 8121 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Australia to Kaua'i by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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