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Cheap flights from Sydney to Kaua'i from $832

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIH
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Kaua'i

Enter your travel dates to find the best prices.

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 28 January 2026.

Thu 19/221:40
SYD
-
LIH
1 stop13h 50m
Alaska Airlines
Mon 23/206:00
LIH
-
SYD
1 stop16h 45m
Alaska Airlines
Deal found 25/1$1,323
Wed 1/419:25
SYD
-
LIH
2 stops37h 31m
Multiple Airlines
Wed 15/406:00
LIH
-
SYD
1 stop16h 50m
Multiple Airlines
Deal found 27/1$1,802
Wed 1/420:15
SYD
-
LIH
1 stop12h 41m
Qantas Airways
Wed 15/408:30
LIH
-
SYD
1 stop14h 00m
Qantas Airways
Deal found 27/1$1,838
Thu 19/211:20
SYD
-
LIH
2 stops32h 24m
United Airlines
Mon 23/214:25
LIH
-
SYD
1 stop21h 50m
United Airlines
Deal found 25/1$1,845
Wed 1/410:30
SYD
-
LIH
2 stops24h 38m
United Airlines
Wed 15/410:45
LIH
-
SYD
2 stops24h 10m
United Airlines
Deal found 27/1$2,671
Thu 19/221:40
SYD
-
LIH
2 stops45h 38m
Qatar Airways
Mon 23/223:19
LIH
-
SYD
2 stops46h 31m
Qatar Airways
Deal found 25/1$3,752

Find 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 28 January 2026.

Round-trip from

$1,323

One-way from

$832
Alaska Airlines
  • Alaska Airlines
  • 19/2-23/2
  • 2 total stops
  • 30h 35m total
  • Sydney to Kaua'i
Search Deals
2/6
  • 2/6
  • 3 total stops
  • 58h 56m total
  • Sydney to Kaua'i
Search Deals

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 28 January 2026.
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

Thu 19/2

21:40-14:30

1 stop13h 50m

Lihue

Mon 23/2

06:00-19:45

1 stop16h 45m

$1,323

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 1/4

20:15-11:56

1 stop12h 41m

Lihue

Wed 15/4

08:30-18:30

1 stop14h 00m

$1,838

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

$1,845

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 1/4

10:30-14:08

2 stops24h 38m

Lihue

Wed 15/4

10:45-06:55

2 stops24h 10m

$2,671

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 1/4

21:30-21:29

3 stops44h 59m

Lihue

Wed 15/4

21:00-07:20

3 stops38h 20m

$3,692

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

$3,752

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 2/6

20:50-11:46

3 stops58h 56m

$832

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Mon 1/6

21:45-10:48

3 stops33h 03m

$861

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 2/6

20:45-15:48

1 stop15h 03m

$920

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Mon 1/6

09:30-19:40

2 stops30h 10m

$1,261

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 12 results
1
2

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.

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.

  • How long is the flight from Sydney to Kaua'i?

    There are many flights that can get you from Sydney to Kaua'i in 12h 41m. Fly via Alaska Airlines, Qantas Airways, or United Airlines to get the fastest option. The distance from Sydney to Kaua'i is about 8121 km. This flight may include one or multiple stops.

  • 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

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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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