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Cheap flights from Australia to Kaua'i from $674

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIH
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

$1,049

One-way from

$674
Hawaiian Airlines
  • Hawaiian Airlines
  • 28/10-2/11
  • 2 total stops
  • 59h 04m total
  • Australia to Kaua'i
Search Deals
20/10
  • 20/10
  • 3 total stops
  • 55h 53m total
  • Australia to Kaua'i
Search Deals

Find flight deals from Australia to Kaua'i

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 16 September 2025.

Tue 28/1021:40SYD - LIH
1 stop31h 31mHawaiian Airlines
Sun 2/1119:12LIH - SYD
1 stop27h 33mHawaiian Airlines
Deal found 15/9$1,049
Tue 28/1021:40SYD - LIH
1 stop19h 50mAlaska Airlines
Sun 2/1113:15LIH - SYD
2 stops33h 30mAlaska Airlines
Deal found 15/9$1,075
Thu 30/1008:30MEL - LIH
2 stops29h 52mMultiple Airlines
Thu 6/1106:49LIH - MEL
2 stops19h 46mMultiple Airlines
Deal found 15/9$1,175
Fri 10/1021:40SYD - LIH
1 stop15h 41mHawaiian Airlines
Fri 17/1021:00LIH - SYD
1 stop25h 45mHawaiian Airlines
Deal found 13/9$1,534
Fri 10/1021:40SYD - LIH
1 stop14h 38mAlaska Airlines
Fri 17/1012:28LIH - SYD
2 stops34h 17mAlaska Airlines
Deal found 13/9$1,568
Thu 30/1016:40MEL - LIH
1 stop13h 33mQantas Airways
Thu 6/1106:02LIH - MEL
1 stop13h 38mQantas Airways
Deal found 15/9$1,672
Tue 28/1009:40SYD - LIH
2 stops33h 35mDelta
Sun 2/1119:12LIH - SYD
2 stops40h 18mDelta
Deal found 15/9$1,747
Tue 28/1010:20SYD - LIH
3 stops46h 38mAir Canada
Sun 2/1114:15LIH - SYD
2 stops46h 20mAir Canada
Deal found 15/9$2,431
Tue 28/1010:20SYD - LIH
3 stops28h 37mMultiple Airlines
Sun 2/1120:01LIH - SYD
3 stops40h 34mMultiple Airlines
Deal found 15/9$2,775
Fri 10/1020:00SYD - LIH
3 stops46h 31mMultiple Airlines
Fri 17/1022:31LIH - SYD
2 stops46h 39mMultiple Airlines
Deal found 13/9$4,594
Fri 10/1019:30SYD - LIH
3 stops47h 01mQatar Airways
Fri 17/1014:20LIH - SYD
3 stops57h 35mQatar Airways
Deal found 13/9$4,990

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 16 September 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

Tue 28/10

21:40-06:19

1 stop29h 39m

Lihue

Tue 4/11

21:00-19:45

1 stop25h 45m

$1,034

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 28/10

21:40-08:11

1 stop31h 31m

Lihue

Sun 2/11

19:12-19:45

1 stop27h 33m

$1,049

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 28/10

21:40-20:30

1 stop19h 50m

Lihue

Tue 4/11

13:15-19:45

2 stops33h 30m

$1,075

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 28/10

21:40-20:30

1 stop19h 50m

Lihue

Sun 2/11

13:15-19:45

2 stops33h 30m

$1,075

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 13/11

21:40-18:02

1 stop17h 22m

Lihue

Sat 22/11

17:00-19:45

2 stops53h 45m

$1,123

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Thu 30/10

08:30-17:22

2 stops29h 52m

Lihue

Thu 6/11

06:49-23:35

2 stops19h 46m

$1,175

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 28/10

10:30-09:13

2 stops19h 43m

Lihue

Tue 4/11

06:02-19:45

2 stops16h 43m

$1,214

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Fri 10/10

21:40-16:21

1 stop15h 41m

Lihue

Fri 17/10

21:00-19:45

1 stop25h 45m

$1,534

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Fri 10/10

21:40-15:18

1 stop14h 38m

Lihue

Fri 17/10

12:28-19:45

2 stops34h 17m

$1,568

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Thu 30/10

16:40-09:13

1 stop13h 33m

Lihue

Thu 6/11

06:02-16:40

1 stop13h 38m

$1,672

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 21 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
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 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 $1,672, Hawaiian Airlines can have you in Kaua'i from Australia in 13h 33m. The distance between Australia and Kaua'i is about 8824 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.

See more FAQs

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Alternative routes for Australia to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.
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