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Cheap flights from Sydney to Kaua'i from $1,160

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIH
23 Jul — 30 Jul1
1 adult

Cheap flight deals from Sydney to Kaua'i

Keep the following information in mind while searching for Sydney to Kaua'i flight deals. Data was last updated 18 July 2025.

Round-trip from

$1,479

Popular in

January

Cheapest in

August

Average price

$1,726
Alaska Airlines
  • Alaska Airlines
  • 30/8-6/9
  • 3 total stops
  • 49h 50m total
  • Sydney to Kaua'i
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($289 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($84 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Sydney to Kaua'i

Cheapest flights from Sydney to Kaua'i
Explore the most affordable flight options available from Sydney to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Wed 13/820:25SYD - LIH
1 stop12h 41mMultiple Airlines
Wed 20/806:00LIH - SYD
1 stop16h 30mMultiple Airlines
Deal found 18/7$1,160
Sat 30/821:40SYD - LIH
2 stops32h 05mAlaska Airlines
Sat 6/906:00LIH - SYD
1 stop17h 45mAlaska Airlines
Deal found 15/7$1,479
Wed 3/922:00SYD - LIH
2 stops32h 31mQantas Airways
Wed 15/1008:40LIH - SYD
2 stops40h 45mQantas Airways
Deal found 18/7$1,782
Wed 17/1211:20SYD - LIH
1 stop22h 38mUnited Airlines
Mon 29/1214:15LIH - SYD
2 stops43h 05mUnited Airlines
Deal found 15/7$2,858
Sat 30/817:45SYD - LIH
3 stops47h 45mQatar Airways
Sat 6/922:30LIH - SYD
2 stops46h 40mQatar Airways
Deal found 15/7$4,173
Wed 13/809:20SYD - LIH
3 stops46h 32mAir Canada
Wed 20/813:02LIH - SYD
3 stops46h 18mAir Canada
Deal found 18/7$4,689

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney 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 18 July 2025.
Use the filters below to find and compare flights from Sydney to Kaua'i that are best for you.

Fly from

Sydney

Fly to

Kaua'i

Route

Depart

Return

Price

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 13/8

20:25-13:06

1 stop12h 41m

Lihue

Wed 20/8

06:00-18:30

1 stop16h 30m

$1,160

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 30/8

21:40-09:45

2 stops32h 05m

Lihue

Sat 6/9

06:00-19:45

1 stop17h 45m

$1,479

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 3/9

22:00-10:31

2 stops32h 31m

Lihue

Wed 15/10

08:40-22:25

2 stops40h 45m

$1,782

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 17/12

11:20-12:58

1 stop22h 38m

Lihue

Mon 29/12

14:15-06:20

2 stops43h 05m

$2,858

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 30/8

17:45-21:30

3 stops47h 45m

Lihue

Sat 6/9

22:30-17:10

2 stops46h 40m

$4,173

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 13/8

09:20-11:52

3 stops46h 32m

Lihue

Wed 20/8

13:02-07:20

3 stops46h 18m

$4,689

Flights are sorted by cheapest return flights first.

Deals found on 18/7

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

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

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated 18 July 2025.
Read through reviews of airlines operating flights from Sydney to Kaua'i, such as Alaska Airlines, Qantas Airways, andQatar Airways. 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

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Qantas Airways
7.5
Good
881 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Qatar Airways
7.4
Good
3,604 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Air Canada
7.1
Good
9,743 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Kaua'i. 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 from for flights from Sydney to Kaua'i?

    For a flight from Sydney to Kaua'i, you will be flying from Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Sydney to Kaua'i

Discover the top airline that operate flights from Sydney to Kaua'i. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$999Average$1,512FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

Fly with Cheapflights

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

When you search for this flight from Sydney to Kaua'i, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Sydney to Kaua'i 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 Sydney to Kaua'i with no change fees?

Certainly. Search results for flights to Kaua'i from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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