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Cheap flights from Sydney to Kaua'i from $870

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIH
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

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 16 January 2026.

Round-trip from

$1,290

One-way from

$870
Hawaiian Airlines
  • Hawaiian Airlines
  • 14/2-21/2
  • 2 total stops
  • 45h 34m total
  • Sydney to Kaua'i
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11/3
  • 11/3
  • 3 total stops
  • 48h 12m total
  • Sydney to Kaua'i
Search Deals

Find 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 16 January 2026.

Sat 14/221:40
SYD
-
LIH
1 stop30h 17m
Hawaiian Airlines
Sat 21/207:28
LIH
-
SYD
1 stop15h 17m
Hawaiian Airlines
Deal found 14/1$1,290
Tue 17/221:40
SYD
-
LIH
1 stop29h 37m
Alaska Airlines
Sat 21/208:40
LIH
-
SYD
1 stop14h 05m
Alaska Airlines
Deal found 14/1$1,333
Sat 14/221:40
SYD
-
LIH
1 stop29h 37m
Alaska Airlines
Sat 21/211:40
LIH
-
SYD
2 stops59h 05m
Alaska Airlines
Deal found 14/1$1,445
Sat 4/420:45
SYD
-
LIH
1 stop15h 29m
Hawaiian Airlines
Mon 13/406:47
LIH
-
SYD
1 stop16h 03m
Hawaiian Airlines
Deal found 15/1$1,596
Sat 14/211:20
SYD
-
LIH
1 stop22h 19m
United Airlines
Sat 21/222:15
LIH
-
SYD
2 stops37h 50m
United Airlines
Deal found 14/1$1,862
Tue 17/211:20
SYD
-
LIH
2 stops50h 44m
United Airlines
Sat 21/223:59
LIH
-
SYD
1 stop36h 16m
United Airlines
Deal found 14/1$1,893
Sat 4/411:20
SYD
-
LIH
2 stops49h 27m
United Airlines
Mon 13/419:35
LIH
-
SYD
2 stops39h 25m
United Airlines
Deal found 15/1$2,307

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 16 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

Sat 14/2

21:40-06:17

1 stop29h 37m

Lihue

Sat 21/2

07:28-19:45

1 stop15h 17m

$1,290

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 17/2

21:40-11:08

1 stop34h 28m

Lihue

Sat 21/2

07:28-19:45

1 stop15h 17m

$1,333

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 14/2

21:40-08:57

2 stops56h 17m

Lihue

Sat 21/2

11:40-19:45

2 stops59h 05m

$1,548

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 4/4

20:45-15:14

1 stop15h 29m

Lihue

Mon 13/4

06:47-18:50

1 stop16h 03m

$1,596

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 14/2

11:20-12:39

1 stop22h 19m

Lihue

Sat 21/2

22:15-09:05

2 stops37h 50m

$1,862

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 17/2

11:20-17:04

2 stops50h 44m

Lihue

Sat 21/2

23:59-09:15

1 stop36h 16m

$1,893

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 4/4

11:20-15:47

2 stops49h 27m

Lihue

Mon 13/4

19:35-07:00

2 stops39h 25m

$2,307

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 11/3

13:50-17:02

3 stops48h 12m

$870

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 14/2

10:15-12:19

2 stops23h 04m

$895

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Fri 30/1

21:40-17:34

1 stop16h 54m

$962

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 14 results
1
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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 29h 37m. Fly via Hawaiian Airlines or Alaska 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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