$841+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
— LIH
30 marras — 7 joulu1
1 adult
1 adult, Economy, 0 bags

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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 31 lokakuu 2025.

su 14/1221:40SYD - LIH
1 stop15h 47mAlaska Airlines
su 21/1221:00LIH - SYD
1 stop25h 45mAlaska Airlines
Deal found 30/10$1,346
la 20/1221:40SYD - LIH
1 stop13h 57mHawaiian Airlines
la 27/1219:17LIH - SYD
1 stop27h 28mHawaiian Airlines
Deal found 29/10$2,249
la 20/1221:40SYD - LIH
2 stops15h 55mAlaska Airlines
la 27/1216:50LIH - SYD
1 stop29h 55mAlaska Airlines
Deal found 29/10$2,302
su 14/1212:10SYD - LIH
1 stop22h 03mUnited Airlines
su 21/1221:35LIH - SYD
2 stops35h 45mUnited Airlines
Deal found 30/10$2,506
la 20/1206:00SYD - LIH
2 stops24h 24mQantas Airways
la 27/1206:00LIH - SYD
2 stops16h 45mQantas Airways
Deal found 29/10$2,633
su 14/1219:15SYD - LIH
3 stops48h 10mQatar Airways
su 21/1223:23LIH - SYD
2 stops58h 27mQatar Airways
Deal found 30/10$5,464
la 20/1219:00SYD - LIH
3 stops48h 23mQatar Airways
la 27/1215:23LIH - SYD
2 stops54h 27mQatar Airways
Deal found 29/10$6,595
su 14/1219:15SYD - LIH
3 stops48h 10mMultiple Airlines
su 21/1215:55LIH - SYD
3 stops57h 05mMultiple Airlines
Deal found 30/10$6,718

Flights to Kaua'i in 2025

Find the latest flights to Kaua'i in 2025, 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 31 lokakuu 2025.

Return from

$1,346

One-way from

$1,176
Alaska Airlines
  • Alaska Airlines
  • 14/12-21/12
  • 2 total stops
  • 41h 32m total
  • Sydney to Lihue
Search Deals
Hawaiian Airlines
  • Hawaiian Airlines
  • 16/12
  • 1 total stop
  • 29h 38m 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 31 lokakuu 2025.
Use the filters below to find and compare flights to Kaua'i that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

su 14/12

21:40-16:27

1 stop15h 47m

Lihue

su 21/12

21:00-19:45

1 stop25h 45m

$1,346

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

to 1/1

21:40-16:35

2 stops15h 55m

Lihue

to 8/1

08:39-19:45

1 stop14h 06m

$2,089

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

la 20/12

21:40-14:37

1 stop13h 57m

Lihue

la 27/12

19:17-19:45

1 stop27h 28m

$2,249

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

la 20/12

21:40-16:35

2 stops15h 55m

Lihue

la 27/12

16:50-19:45

1 stop29h 55m

$2,302

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

su 14/12

12:10-13:13

1 stop22h 03m

Lihue

su 21/12

21:35-06:20

2 stops35h 45m

$2,506

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

to 1/1

11:45-09:24

2 stops18h 39m

Lihue

to 8/1

06:00-19:45

2 stops16h 45m

$2,549

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

la 20/12

06:00-09:24

2 stops24h 24m

Lihue

la 27/12

06:00-19:45

2 stops16h 45m

$2,633

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

to 1/1

08:00-09:24

2 stops22h 24m

Lihue

to 8/1

19:49-12:35

3 stops19h 46m

$2,837

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

su 14/12

19:15-22:25

3 stops48h 10m

Lihue

su 21/12

23:23-06:50

2 stops58h 27m

$5,464

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

la 20/12

19:00-22:23

3 stops48h 23m

Lihue

la 27/12

15:23-18:50

2 stops54h 27m

$6,595

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 21 results
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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 13 hours 57 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 (13 hours 57 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. 1 BR Garden View at Marriott Kauai 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?

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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