Find flights
When to book
Airlines
FAQs

Cheap flights from Kaua'i to Sydney from $1,052

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — SYD
11 Aug — 18 Aug1
1 adult

Cheap flight deals from Kaua'i to Sydney

Keep the following information in mind while searching for Kaua'i to Sydney flight deals. Data was last updated 6 August 2025.

Round-trip from

$2,075

One-way from

$1,052
Hawaiian Airlines
  • Hawaiian Airlines
  • 1/11-16/11
  • 2 total stops
  • 38h 25m total
  • Kaua'i to Sydney
Search Deals
9/12
  • 9/12
  • 3 total stops
  • 39h 45m total
  • Kaua'i to Sydney
Search Deals

Find flight deals from Kaua'i to Sydney

Cheapest flights from Kaua'i to Sydney
Explore the most affordable flight options available from Kaua'i to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2025.

Sat 1/1106:00LIH - SYD
1 stop16h 45mHawaiian Airlines
Sun 16/1121:40SYD - LIH
1 stop21h 40mHawaiian Airlines
Deal found 2/8$2,075
Sat 1/1106:00LIH - SYD
1 stop16h 45mAlaska Airlines
Sun 16/1121:40SYD - LIH
2 stops15h 52mAlaska Airlines
Deal found 2/8$2,092
Fri 7/1106:02LIH - SYD
1 stop16h 43mAlaska Airlines
Tue 18/1121:40SYD - LIH
2 stops15h 52mAlaska Airlines
Deal found 4/8$2,100
Sun 9/1120:01LIH - SYD
1 stop26h 44mAlaska Airlines
Thu 20/1121:40SYD - LIH
1 stop13h 11mAlaska Airlines
Deal found 4/8$2,109
Tue 11/1106:49LIH - SYD
2 stops30h 16mMultiple Airlines
Mon 17/1120:10SYD - LIH
1 stop16h 07mMultiple Airlines
Deal found 4/8$2,371
Sun 9/1114:15LIH - SYD
1 stop21h 50mUnited Airlines
Mon 17/1112:10SYD - LIH
1 stop22h 03mUnited Airlines
Deal found 4/8$2,413
Sat 8/1120:30LIH - SYD
2 stops39h 35mUnited Airlines
Wed 19/1112:10SYD - LIH
1 stop22h 03mUnited Airlines
Deal found 4/8$2,419
Mon 1/1208:25LIH - SYD
1 stop14h 20mAlaska Airlines
Sat 13/1221:40SYD - LIH
2 stops33h 01mAlaska Airlines
Deal found 3/8$2,422

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kaua'i to Sydney 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 6 August 2025.
Use the filters below to find and compare flights from Kaua'i to Sydney that are best for you.

Fly from

Kaua'i

Fly to

Sydney

Route

Depart

Return

Price

LihueSydney

LIH - SYD

LIHSYD

Lihue

Sat 1/11

06:00-19:45

1 stop16h 45m

Sydney Kingsford Smith

Sun 16/11

21:40-22:20

1 stop21h 40m

$2,075

LihueSydney

LIH - SYD

LIHSYD

Lihue

Sat 1/11

06:00-19:45

1 stop16h 45m

Sydney Kingsford Smith

Sun 16/11

21:40-16:32

2 stops15h 52m

$2,092

LihueSydney

LIH - SYD

LIHSYD

Lihue

Fri 7/11

06:02-19:45

1 stop16h 43m

Sydney Kingsford Smith

Tue 18/11

21:40-16:32

2 stops15h 52m

$2,100

LihueSydney

LIH - SYD

LIHSYD

Lihue

Sun 9/11

20:01-19:45

1 stop26h 44m

Sydney Kingsford Smith

Thu 20/11

21:40-13:51

1 stop13h 11m

$2,109

LihueSydney

LIH - SYD

LIHSYD

Lihue

Tue 11/11

06:49-10:05

2 stops30h 16m

Sydney Kingsford Smith

Mon 17/11

20:10-15:17

1 stop16h 07m

$2,371

LihueSydney

LIH - SYD

LIHSYD

Lihue

Sun 9/11

14:31-09:15

1 stop21h 44m

Sydney Kingsford Smith

Wed 19/11

11:20-12:58

1 stop22h 38m

$2,413

LihueSydney

LIH - SYD

LIHSYD

Lihue

Sat 8/11

20:30-09:05

2 stops39h 35m

Sydney Kingsford Smith

Mon 17/11

11:20-12:58

1 stop22h 38m

$2,419

LihueSydney

LIH - SYD

LIHSYD

Lihue

Mon 1/12

08:25-19:45

1 stop14h 20m

Sydney Kingsford Smith

Sat 13/12

21:40-09:41

2 stops33h 01m

$2,422

LihueSydney

LIH - SYD

LIHSYD

Lihue

Tue 9/12

07:00-19:45

3 stops39h 45m

$1,052

LihueSydney

LIH - SYD

LIHSYD

Lihue

Tue 9/12

14:30-09:15

1 stop21h 45m

$1,383

Flights are sorted by cheapest return flights first.

Deals found on 2/8

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

Have a flexible travel schedule? Discover the best time to fly to Sydney from Kaua'i 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 Kaua'i to Sydney
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 6 August 2025.
Read reviews from past customers who have flown with Alaska Airlines, Hawaiian Airlines, andQantas Airways from Kaua'i to Sydney. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Hawaiian Airlines
7.8
Good
2,623 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Qantas Airways
7.5
Good
887 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

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

  • What airport do you fly into for flights to Sydney from Kaua'i?

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly into when you book flights from Kaua'i to Sydney.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kaua'i to Sydney 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 Sydney?

    Currently, May is the cheapest month in which you can book a flight from Kaua'i to Sydney (average of $129). Flying from Kaua'i to Sydney in October is currently the most expensive (average of $171). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Manly
Coogee
Terrigal
Cronulla
Lithgow
Bondi Beach
Randwick
Leura

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kaua'i to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Honolulu to Sydney flights
Lihue to Sydney flights
Kailua-Kona to Sydney flights
Kailua-Kona to Coolangatta flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Kaua'i to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Kaua'i to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Kaua'i to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Sydney from Kaua'i? 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 Kaua'i to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Kaua'i today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.