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Cheap flights from Sydney to Kaua'i from $840

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIH
30 Mar — 6 Apr1
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 February 2026.

Thu 28/520:45
SYD
-
LIH
1 stop31h 16m
Alaska Airlines
Mon 1/608:31
LIH
-
SYD
1 stop14h 19m
Alaska Airlines
Deal found 24/2$840
Mon 13/419:25
SYD
-
LIH
2 stops40h 57m
Multiple Airlines
Mon 20/406:47
LIH
-
SYD
1 stop16h 03m
Multiple Airlines
Deal found 27/2$1,325
Thu 28/509:30
SYD
-
LIH
2 stops30h 12m
United Airlines
Mon 1/613:17
LIH
-
SYD
1 stop21h 38m
United Airlines
Deal found 24/2$1,838
Mon 13/409:30
SYD
-
LIH
2 stops30h 23m
United Airlines
Mon 20/423:00
LIH
-
SYD
2 stops36h 00m
United Airlines
Deal found 27/2$2,208

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 February 2026.

Round-trip from

$840
Alaska Airlines
  • Alaska Airlines
  • 28/5-1/6
  • 2 total stops
  • 45h 35m total
  • Sydney to Kaua'i
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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 February 2026.
Use the filters below to find and compare flights from Sydney to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 28/5

20:45-08:01

1 stop31h 16m

Lihue

Mon 1/6

08:31-18:50

1 stop14h 19m

$840

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Mon 13/4

20:15-22:21

1 stop22h 06m

Lihue

Mon 20/4

08:30-18:30

1 stop14h 00m

$1,469

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 28/5

09:30-19:42

2 stops30h 12m

Lihue

Mon 1/6

13:17-06:55

1 stop21h 38m

$1,838

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 28/5

20:45-21:26

2 stops44h 41m

Lihue

Mon 1/6

22:26-17:10

2 stops46h 44m

$3,576

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 7/7

11:15-17:58

3 stops50h 43m

$1,064

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 7/5

20:15-13:24

1 stop13h 09m

$2,123

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 7/5

10:20-14:35

2 stops24h 15m

$3,623

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Sorted by cheapest first

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 31h 16m. Fly via Alaska Airlines to get the fastest option. The distance from Sydney to Kaua'i is about 8121 km.

  • 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.

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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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