$1,293+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
— LIH
20 Jun — 27 Jun1
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 21 May 2026.

Tue 1/920:45
SYD
-
LIH
1 stop21h 12m
Alaska Airlines
Wed 2/909:00
LIH
-
SYD
1 stop13h 50m
Alaska Airlines
Deal found 17/5$1,293
Tue 30/620:45
SYD
-
LIH
1 stop18h 04m
Alaska Airlines
Tue 7/716:12
LIH
-
SYD
1 stop30h 38m
Alaska Airlines
Deal found 17/5$2,103
Tue 1/909:30
SYD
-
LIH
1 stop22h 10m
United Airlines
Wed 2/919:35
LIH
-
SYD
2 stops39h 25m
United Airlines
Deal found 16/5$2,239
Tue 30/610:20
SYD
-
LIH
2 stops29h 54m
United Airlines
Tue 7/719:35
LIH
-
SYD
2 stops39h 20m
United Airlines
Deal found 17/5$2,504
Tue 30/620:45
SYD
-
LIH
2 stops14h 28m
Multiple Airlines
Tue 7/710:46
LIH
-
SYD
3 stops36h 04m
Multiple Airlines
Deal found 17/5$2,932
Tue 1/920:45
SYD
-
LIH
2 stops42h 38m
Qatar Airways
Wed 2/921:35
LIH
-
SYD
2 stops47h 35m
Qatar Airways
Deal found 17/5$3,569
Tue 30/619:00
SYD
-
LIH
3 stops46h 25m
Qatar Airways
Tue 7/722:25
LIH
-
SYD
3 stops49h 30m
Qatar Airways
Deal found 17/5$4,026

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 21 May 2026.

Return from

$1,293

One-way from

$1,424
Alaska Airlines
  • Alaska Airlines
  • 1/9-2/9
  • 2 total stops
  • 35h 02m total
  • Sydney to Lihue
Alaska Airlines
  • Alaska Airlines
  • 2/7
  • 1 total stop
  • 16h 59m total
  • Sydney to Kaua'i

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 21 May 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
Fastest return journey

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 30/6

20:45-15:13

2 stops14h 28m

Lihue

Tue 7/7

16:52-18:50

1 stop29h 58m

$2,212

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 30/6

10:20-20:14

2 stops29h 54m

Lihue

Tue 7/7

19:35-06:55

2 stops39h 20m

$2,504

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 30/6

20:45-15:13

2 stops14h 28m

Lihue

Tue 7/7

10:46-18:50

3 stops36h 04m

$2,932

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 30/6

19:00-21:25

3 stops46h 25m

Lihue

Tue 7/7

22:25-19:55

3 stops49h 30m

$4,026
Cheapest one-way

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 2/7

20:45-17:44

1 stop16h 59m

$1,424

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 2/7

19:15-21:25

3 stops46h 10m

$1,533
Fastest single journey

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 30/6

20:45-16:30

2 stops15h 45m

$1,655

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 30/6

09:30-20:14

1 stop30h 44m

$1,659

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 30/6

19:00-21:25

3 stops46h 25m

$2,066

Flights are sorted by cheapest return flights first.

Deals found on 19/5

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 18 hours 4 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, Sydney Kingsford Smith offers the quickest one-way flight (18 hours 4 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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Users can book flights with no change fees policies with our dedicated filters. Book flights to Kaua'i flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Kaua'i today and book when you’re ready!

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