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Cheap flights from Australia to Kaua'i from $805

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIH
11 Jan — 18 Jan1
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 12 December 2025.

Fri 19/1221:40SYD - LIH
1 stop34h 02mHawaiian Airlines
Fri 2/106:00LIH - SYD
1 stop16h 45mHawaiian Airlines
Deal found 10/12$2,104
Fri 19/1221:40SYD - LIH
2 stops36h 24mAlaska Airlines
Fri 2/106:00LIH - SYD
1 stop16h 45mAlaska Airlines
Deal found 10/12$2,331
Fri 19/1222:00SYD - LIH
2 stops32h 24mQantas Airways
Fri 2/108:29LIH - SYD
2 stops39h 11mQantas Airways
Deal found 10/12$3,406
Fri 19/1219:30SYD - LIH
3 stops47h 53mMultiple Airlines
Fri 2/123:23LIH - SYD
2 stops46h 27mMultiple Airlines
Deal found 10/12$7,559
Fri 19/1211:20SYD - LIH
3 stops46h 23mAir Canada
Fri 2/114:00LIH - SYD
3 stops46h 35mAir Canada
Deal found 10/12$8,595

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 12 December 2025.

Round-trip from

$1,394

One-way from

$805
Alaska Airlines
  • Alaska Airlines
  • 5/3-9/3
  • 2 total stops
  • 45h 05m total
  • Australia to Kaua'i
Search Deals
17/3
  • 17/3
  • 3 total stops
  • 27h 28m 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 12 December 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 5/3

21:40-19:11

1 stop18h 31m

Lihue

Mon 9/3

06:48-19:45

1 stop15h 57m

$1,395

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 24/1

21:40-18:03

1 stop17h 23m

Lihue

Sat 31/1

06:00-19:45

1 stop16h 45m

$1,586

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 11/3

20:10-12:19

1 stop13h 09m

Lihue

Sat 28/3

07:00-18:20

1 stop14h 20m

$1,696

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 24/1

10:40-14:00

2 stops24h 20m

Lihue

Sat 31/1

07:28-08:30

2 stops28h 02m

$1,745

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Fri 16/1

10:40-14:00

2 stops24h 20m

Lihue

Sat 24/1

21:31-06:50

1 stop36h 19m

$1,750

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Mon 26/1

10:40-14:56

2 stops25h 16m

Lihue

Mon 2/2

10:22-08:30

2 stops25h 08m

$1,750

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Thu 5/3

21:00-12:19

2 stops36h 19m

Lihue

Mon 9/3

08:57-08:20

2 stops26h 23m

$1,838

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 5/3

11:20-22:57

2 stops32h 37m

Lihue

Mon 9/3

13:15-09:05

1 stop22h 50m

$1,855

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Thu 12/2

13:00-22:44

1 stop30h 44m

Lihue

Sat 21/2

20:40-09:30

2 stops39h 50m

$2,124

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Thu 5/3

11:30-12:51

1 stop22h 21m

Lihue

Mon 9/3

13:15-08:30

1 stop22h 15m

$2,143

Flights are sorted by cheapest return flights first.

Deals found on 11/12

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 $1,696, Alaska Airlines can have you in Kaua'i from Australia in 13h 09m. 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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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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