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Cheap flights from Australia to Kaua'i from $734

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIH
21 Feb — 28 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 22 January 2026.

Thu 19/221:40
SYD
-
LIH
1 stop13h 50m
Alaska Airlines
Mon 23/208:40
LIH
-
SYD
1 stop14h 05m
Alaska Airlines
Deal found 19/1$1,324
Thu 12/217:45
MEL
-
LIH
2 stops18h 36m
Multiple Airlines
Sat 21/208:40
LIH
-
MEL
2 stops25h 55m
Multiple Airlines
Deal found 20/1$1,456
Thu 19/221:00
MEL
-
LIH
2 stops36h 19m
Qantas Airways
Mon 23/208:40
LIH
-
MEL
2 stops17h 55m
Qantas Airways
Deal found 19/1$1,817
Thu 19/211:20
SYD
-
LIH
2 stops32h 24m
United Airlines
Mon 23/214:25
LIH
-
SYD
1 stop21h 50m
United Airlines
Deal found 19/1$1,847
Thu 19/213:00
MEL
-
LIH
1 stop30h 44m
United Airlines
Mon 23/214:25
LIH
-
MEL
1 stop22h 35m
United Airlines
Deal found 19/1$2,134
Thu 12/213:00
MEL
-
LIH
1 stop30h 44m
United Airlines
Sat 21/213:54
LIH
-
MEL
1 stop22h 36m
United Airlines
Deal found 21/1$2,146
Thu 19/221:40
SYD
-
LIH
2 stops45h 38m
Qatar Airways
Mon 23/223:19
LIH
-
SYD
2 stops46h 31m
Qatar Airways
Deal found 19/1$3,632

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 22 January 2026.

Round-trip from

$1,321

One-way from

$734
Alaska Airlines
  • Alaska Airlines
  • 19/2-23/2
  • 2 total stops
  • 35h 47m total
  • Australia to Kaua'i
Search Deals
1/2
  • 1/2
  • 2 total stops
  • 19h 54m 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 22 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 19/2

21:40-14:30

1 stop13h 50m

Lihue

Mon 23/2

08:40-19:45

1 stop14h 05m

$1,324

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Thu 19/2

21:00-12:19

2 stops36h 19m

Lihue

Mon 23/2

08:40-23:35

2 stops17h 55m

$1,817

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 19/2

11:20-22:44

2 stops32h 24m

Lihue

Mon 23/2

14:25-09:15

1 stop21h 50m

$1,847

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Thu 19/2

13:00-22:44

1 stop30h 44m

Lihue

Mon 23/2

20:40-10:00

2 stops40h 20m

$2,134

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Thu 12/2

13:00-22:44

1 stop30h 44m

Lihue

Sat 21/2

13:54-09:30

1 stop22h 36m

$2,146

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 19/2

21:40-22:18

2 stops45h 38m

Lihue

Mon 23/2

23:19-18:50

2 stops46h 31m

$3,632

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Sun 1/2

18:00-16:54

2 stops19h 54m

$734

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 7/5

20:15-15:39

1 stop15h 24m

$2,172

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 7/5

09:30-19:21

2 stops29h 51m

$3,621

Flights are sorted by cheapest return flights first.

Deals found on 20/1

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 $1,324, Alaska Airlines can have you in Kaua'i from Australia in 13h 50m. 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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Sydney to Kapalua flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Australia to Kaua'i?

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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.

Can Cheapflights notify me if prices for flights from Australia to Kaua'i become cheaper?

Of course! You can now track prices for flights from Australia to Kaua'i and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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