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$370+ Cheap flights from Kaua'i to Australia

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — SYD
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Kaua'i to Australia

Keep the following information in mind while searching for Kaua'i to Australia flight deals. Data was last updated July 31, 2025.

Round-trip from

$1,343
(Netflights)

One-way from

$370
(Kiwi.com)
From Kaua'i to Australia
Search Deals
One-way flight from Kaua'i to Australia
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Find flight deals from Kaua'i to Australia

Cheapest flights from Kaua'i to Australia
Explore the most affordable flight options available from Kaua'i to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/312:53 pmLIH - SYD
1 stop27h 47mMultiple Airlines
Wed 8/64:20 pmSYD - LIH
1 stop15h 56mMultiple Airlines
Deal found 7/30$602
This Netflights deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:00 amLIH - SYD
1 stop16h 45mHawaiian Airlines
Sun 11/169:40 pmSYD - LIH
1 stop21h 40mHawaiian Airlines
Deal found 7/31$1,343
This Netflights deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:00 amLIH - SYD
1 stop16h 45mAlaska Airlines
Sun 11/169:40 pmSYD - LIH
2 stops34h 06mAlaska Airlines
Deal found 7/30$1,355
This Qatar Airways deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:25 pmLIH - PER
2 stops42h 35mQatar Airways
Mon 11/1010:45 pmPER - LIH
2 stops41h 40mQatar Airways
Deal found 7/30$1,511
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:50 pmLIH - SYD
2 stops36h 15mUnited Airlines
Sun 11/1611:20 amSYD - LIH
2 stops50h 38mUnited Airlines
Deal found 7/29$1,564
This Jetabroad deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/149:00 pmLIH - PER
3 stops40h 45mMultiple Airlines
Sun 9/219:15 amPER - LIH
2 stops42h 32mMultiple Airlines
Deal found 7/31$1,590
This Gurufare deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3010:19 amLIH - SYD
1 stop12h 11mQantas Airways
Tue 8/51:00 pmSYD - LIH
2 stops17h 30mQantas Airways
Deal found 7/30$1,728
This Qantas Airways deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:00 amLIH - MEL
1 stop14h 55mQantas Airways
Mon 9/154:00 pmMEL - LIH
2 stops38h 31mQantas Airways
Deal found 7/31$1,854
This Qantas Airways deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:15 amLIH - CNS
2 stops40h 50mQantas Airways
Sun 8/316:45 amCNS - LIH
2 stops26h 42mQantas Airways
Deal found 7/30$2,069
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:57 pmLIH - MEL
1 stop23h 18mUnited Airlines
Mon 9/1510:55 amMEL - LIH
1 stop29h 03mUnited Airlines
Deal found 7/31$2,092
This Qantas Airways deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:02 amLIH - PER
2 stops19h 43mQantas Airways
Mon 11/1010:45 pmPER - LIH
2 stops28h 39mQantas Airways
Deal found 7/28$2,258
This Qatar Airways deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:25 pmLIH - SYD
2 stops58h 25mQatar Airways
Sun 11/166:15 pmSYD - LIH
3 stops49h 10mQatar Airways
Deal found 7/30$2,492

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kaua'i to Australia 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 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Kaua'i to Australia that are best for you.

Fly from

Kaua'i

Fly to

Australia

Route

Depart

Return

Price

LihueSydney

LIH - SYD

LIHSYD

Lihue

Sat 11/1

6:00 am-7:45 pm

1 stop16h 45m

Sydney Kingsford Smith

Sun 11/16

9:40 pm-10:20 pm

1 stop21h 40m

$1,343

LihueSydney

LIH - SYD

LIHSYD

Lihue

Sat 11/1

6:00 am-7:45 pm

1 stop16h 45m

Sydney Kingsford Smith

Sun 11/16

9:40 pm-10:46 am

2 stops34h 06m

$1,355

LihuePerth

LIH - PER

LIHPER

Lihue

Thu 11/6

11:25 pm-12:00 pm

2 stops42h 35m

Perth

Mon 11/10

10:45 pm-10:25 pm

2 stops41h 40m

$1,511

LihueSydney

LIH - SYD

LIHSYD

Lihue

Sat 11/1

11:50 pm-9:05 am

2 stops36h 15m

Sydney Kingsford Smith

Sun 11/16

11:20 am-4:58 pm

2 stops50h 38m

$1,564

LihuePerth

LIH - PER

LIHPER

Lihue

Sun 9/14

9:00 pm-7:45 am

3 stops40h 45m

Perth

Sun 9/21

9:15 am-9:47 am

2 stops42h 32m

$1,590

LihueMelbourne

LIH - MEL

LIHMEL

Lihue

Thu 9/11

6:00 am-4:55 pm

1 stop14h 55m

Melbourne

Mon 9/15

4:00 pm-10:31 am

2 stops38h 31m

$1,854

LihueCairns

LIH - CNS

LIHCNS

Lihue

Wed 8/27

10:15 am-11:05 pm

2 stops40h 50m

Cairns

Sun 8/31

6:45 am-1:27 pm

2 stops26h 42m

$2,069

LihueMelbourne

LIH - MEL

LIHMEL

Lihue

Thu 9/11

12:57 pm-8:15 am

1 stop23h 18m

Melbourne

Mon 9/15

10:55 am-7:58 pm

1 stop29h 03m

$2,092

LihuePerth

LIH - PER

LIHPER

Lihue

Thu 11/6

6:02 am-7:45 pm

2 stops19h 43m

Perth

Mon 11/10

10:45 pm-9:24 am

2 stops28h 39m

$2,258

LihueSydney

LIH - SYD

LIHSYD

Lihue

Sat 11/1

11:25 pm-6:50 am

2 stops58h 25m

Sydney Kingsford Smith

Sun 11/16

6:15 pm-10:25 pm

3 stops49h 10m

$2,492

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 12 results
1
2

Best time to book a flight from Kaua'i to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Kaua'i with our price prediction graph.
Estimated round-trip 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 Kaua'i to Australia
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated July 31, 2025.
See what other customers who have flown with Alaska Airlines, Hawaiian Airlines, and Qantas Airways from Kaua'i to Australia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Qantas Airways
7.5
Good
887 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Qatar Airways
7.4
Good
3,609 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Kaua'i to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Kaua'i to Australia?

    Currently, February is the cheapest month in which you can book a flight from Kaua'i to Australia (average of $1,028). Flying from Kaua'i to Australia in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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