$856+ Cheap flights to Kaua'i

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LIH
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Flights to Kaua'i in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Kaua'i
Explore the most affordable flight options available to Kaua'i. Find the lowest fares based on data from user searches, with prices last updated on 23 March 2026.

Sat 30/520:45
SYD
-
LIH
1 stop33h 27m
Alaska Airlines
Thu 11/606:00
LIH
-
SYD
1 stop16h 50m
Alaska Airlines
Deal found 20/3$856
Sat 9/520:45
SYD
-
LIH
1 stop19h 44m
Alaska Airlines
Sat 16/506:00
LIH
-
SYD
1 stop16h 50m
Alaska Airlines
Deal found 22/3$900
Fri 8/520:45
SYD
-
LIH
1 stop21h 36m
Alaska Airlines
Sat 9/508:56
LIH
-
SYD
1 stop13h 54m
Alaska Airlines
Deal found 22/3$940
Sat 25/420:45
SYD
-
LIH
1 stop31h 41m
Alaska Airlines
Wed 29/409:41
LIH
-
SYD
1 stop13h 09m
Alaska Airlines
Deal found 18/3$956
Tue 5/520:45
SYD
-
LIH
1 stop12h 39m
Alaska Airlines
Tue 12/521:00
LIH
-
SYD
1 stop25h 50m
Alaska Airlines
Deal found 21/3$971
Mon 4/520:15
SYD
-
LIH
1 stop13h 09m
Multiple Airlines
Mon 11/519:55
LIH
-
SYD
1 stop26h 35m
Multiple Airlines
Deal found 19/3$1,069
Fri 8/510:20
SYD
-
LIH
1 stop21h 09m
United Airlines
Sat 9/522:00
LIH
-
SYD
2 stops36h 55m
United Airlines
Deal found 22/3$2,093

Find flight deals to Kaua'i

Find the latest flights to Kaua'i in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 23 March 2026.

Return from

$856

One-way from

$2,303
Alaska Airlines
  • Alaska Airlines
  • 30/5-11/6
  • 2 total stops
  • 50h 17m total
  • Sydney to Lihue
Search Deals
7/5
  • 7/5
  • 1 total stop
  • 14h 20m total
  • Sydney to Kaua'i
Search Deals

Cheapflights Fare Finder

 
Locate flights to Kaua'i that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 23 March 2026.
Use the filters below to find and compare flights to Kaua'i that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 9/5

20:45-20:29

1 stop19h 44m

Lihue

Sat 16/5

06:00-18:50

1 stop16h 50m

$900
Fastest return journey

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Fri 8/5

20:45-22:21

1 stop21h 36m

Lihue

Sat 9/5

08:56-18:50

1 stop13h 54m

$940

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 25/4

20:45-08:26

1 stop31h 41m

Lihue

Wed 29/4

09:41-18:50

1 stop13h 09m

$956

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 5/5

20:45-13:24

1 stop12h 39m

Lihue

Tue 12/5

13:14-18:50

2 stops33h 36m

$1,116

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Fri 8/5

10:20-11:29

1 stop21h 09m

Lihue

Sat 9/5

22:00-06:55

2 stops36h 55m

$2,093

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 9/5

10:20-20:23

2 stops30h 03m

Lihue

Sat 16/5

19:35-07:00

2 stops39h 25m

$2,095

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 25/4

09:30-19:53

2 stops30h 23m

Lihue

Wed 29/4

12:55-07:00

1 stop22h 05m

$2,112
Cheapest one-way
Fastest single journey

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 7/5

20:15-17:56

1 stop17h 41m

$2,303

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 7/5

09:15-17:40

1 stop28h 25m

$2,377

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 7/5

09:30-06:17

2 stops40h 47m

$3,984

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Sorted by cheapest first

Best time to book a flight to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to 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 to Kaua'i

How long is the flight to Kaua'i?

On average, a flight from Sydney to Kaua'i takes 19 hours 44 minutes. Flights to Kaua'i from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kaua'i ranges from 57.0 - 170.0 mm per month. January is typically the wettest month, when rainfall can reach 170.0 mm. June is typically the driest time to visit Kaua'i when rainfall is around 57.0 mm.

Temperature in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kaua'i, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).

FAQs about flying to Kaua'i

  • Can I find cheaper flights to Kaua'i if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Kaua'i on Cheapflights that require 1 or 2 stops for potential cost savings.

  • Where does the fastest flight to Kaua'i depart from?

    For those looking to save time traveling to Kaua'i, Melbourne offers the quickest one-way flight (18 hours 34 minutes).

  • Does Lihue have car hire?

    Yes. Those touching down at Lihue can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Lihue?

    Yes. Lihue has hotels nearby for those requiring accommodations. Marriott's Kauai Beach Club - Luxury 2 Bedroom Condos is the closest property to Lihue (0.0 km away from Lihue).

See more FAQs

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

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