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Cheap flights from Australia to Kaua'i from $742

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIH
3 Feb — 10 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 4 January 2026.

Thu 12/221:40SYD - LIH
1 stop21h 42mHawaiian Airlines
Mon 16/208:40LIH - SYD
1 stop14h 05mHawaiian Airlines
Deal found 2/1$1,320
Thu 19/221:40SYD - LIH
1 stop17h 22mAlaska Airlines
Mon 23/208:40LIH - SYD
1 stop14h 05mAlaska Airlines
Deal found 1/1$1,329
Fri 27/221:40SYD - LIH
1 stop13h 50mHawaiian Airlines
Thu 12/318:32LIH - SYD
1 stop28h 13mHawaiian Airlines
Deal found 3/1$1,341
Thu 12/217:05MEL - LIH
2 stops18h 25mMultiple Airlines
Sat 21/207:28LIH - MEL
2 stops19h 07mMultiple Airlines
Deal found 2/1$1,408
Thu 12/221:40SYD - LIH
2 stops14h 34mAlaska Airlines
Mon 16/209:57LIH - SYD
1 stop12h 48mAlaska Airlines
Deal found 2/1$1,435
Fri 27/221:40SYD - LIH
2 stops14h 34mAlaska Airlines
Thu 12/310:27LIH - SYD
1 stop12h 18mAlaska Airlines
Deal found 3/1$1,523
Sat 17/116:00MEL - LIH
2 stops18h 09mMultiple Airlines
Tue 20/110:22LIH - MEL
2 stops16h 13mMultiple Airlines
Deal found 3/1$1,575
Mon 6/420:15SYD - LIH
1 stop12h 37mQantas Airways
Mon 13/408:30LIH - SYD
1 stop14h 00mQantas Airways
Deal found 3/1$1,713
Fri 27/210:40SYD - LIH
2 stops25h 41mDelta
Thu 12/307:28LIH - SYD
2 stops27h 02mDelta
Deal found 3/1$1,750
Thu 12/210:40SYD - LIH
2 stops25h 34mVietnam Airlines
Mon 16/221:00LIH - SYD
2 stops38h 30mVietnam Airlines
Deal found 2/1$1,799
Mon 6/419:25SYD - LIH
2 stops56h 32mMultiple Airlines
Sat 18/417:00LIH - SYD
2 stops53h 50mMultiple Airlines
Deal found 4/1$1,820
Thu 19/220:30MEL - LIH
2 stops57h 27mQantas Airways
Mon 23/207:28LIH - MEL
2 stops19h 07mQantas Airways
Deal found 1/1$1,825

Find 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 4 January 2026.

Round-trip from

$1,320

One-way from

$742
Hawaiian Airlines
  • Hawaiian Airlines
  • 12/2-16/2
  • 2 total stops
  • 35h 47m total
  • Australia to Kaua'i
Search Deals
18/3
  • 18/3
  • 2 total stops
  • 38h 33m total
  • Australia to Kaua'i
Search Deals

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 4 January 2026.
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 12/2

21:40-22:22

1 stop21h 42m

Lihue

Mon 16/2

08:40-19:45

1 stop14h 05m

$1,320

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 19/2

21:40-18:02

1 stop17h 22m

Lihue

Mon 23/2

08:40-19:45

1 stop14h 05m

$1,329

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Fri 27/2

21:40-14:30

1 stop13h 50m

Lihue

Thu 12/3

18:32-19:45

1 stop28h 13m

$1,341

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sun 18/1

21:40-14:56

1 stop14h 16m

Lihue

Thu 22/1

10:22-19:45

1 stop12h 23m

$1,432

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Fri 27/2

21:40-15:14

2 stops14h 34m

Lihue

Thu 12/3

10:27-19:45

1 stop12h 18m

$1,523

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Sat 17/1

16:00-13:09

2 stops18h 09m

Lihue

Tue 20/1

10:22-23:35

2 stops16h 13m

$1,575

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sun 18/1

21:40-17:34

1 stop16h 54m

Lihue

Thu 22/1

13:39-19:45

2 stops33h 06m

$1,611

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Mon 6/4

20:15-12:52

1 stop12h 37m

Lihue

Mon 13/4

08:30-18:30

1 stop14h 00m

$1,713

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Fri 27/2

10:40-15:21

2 stops25h 41m

Lihue

Thu 12/3

07:28-07:30

2 stops27h 02m

$1,750

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 12/2

10:40-15:14

2 stops25h 34m

Lihue

Mon 16/2

21:00-08:30

2 stops38h 30m

$1,799

Flights are sorted by cheapest return flights first.

Deals found on 3/1

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 $1,329, Hawaiian Airlines can have you in Kaua'i from Australia in 17h 22m. 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.

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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Can Cheapflights find flights from Australia to Kaua'i with no change fees?

Need flexible booking options for your flight to Kaua'i from Australia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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