$873+ 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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LIH
27 Jan — 3 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Kaua'i in 2025

Enter your travel dates to find the best prices.

Best flights to Kaua'i
Discover carefully curated flight deals to Kaua'i that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 December 2025.

Tue 19/520:45SYD - LIH
1 stop14h 19mAlaska Airlines
Tue 2/620:38LIH - SYD
1 stop26h 12mAlaska Airlines
Deal found 27/12$873
Wed 4/320:10SYD - LIH
1 stop13h 09mQantas Airways
Wed 18/307:26LIH - SYD
1 stop13h 54mQantas Airways
Deal found 26/12$1,042
Wed 4/310:40SYD - LIH
1 stop30h 09mDelta
Wed 18/308:30LIH - SYD
2 stops25h 55mDelta
Deal found 26/12$1,745
Thu 19/221:40SYD - LIH
1 stop18h 31mAlaska Airlines
Mon 23/207:28LIH - SYD
1 stop15h 17mAlaska Airlines
Deal found 25/12$905
Thu 19/212:10SYD - LIH
1 stop22h 00mUnited Airlines
Mon 23/214:25LIH - SYD
1 stop21h 50mUnited Airlines
Deal found 26/12$1,856
Tue 19/510:20SYD - LIH
2 stops49h 27mUnited Airlines
Tue 2/619:40LIH - SYD
2 stops39h 20mUnited Airlines
Deal found 27/12$1,873

Find flight deals to Kaua'i

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 28 December 2025.

Return from

$873

One-way from

$875
Alaska Airlines
  • Alaska Airlines
  • 19/5-2/6
  • 2 total stops
  • 40h 31m total
  • Sydney to Lihue
Search Deals
31/1
  • 31/1
  • 2 total stops
  • 28h 11m 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 28 December 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

Tue 19/5

20:45-15:04

1 stop14h 19m

Lihue

Tue 2/6

20:38-18:50

1 stop26h 12m

$873

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 19/2

21:40-19:11

1 stop18h 31m

Lihue

Mon 23/2

07:28-19:45

1 stop15h 17m

$905

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 4/3

20:10-12:19

1 stop13h 09m

Lihue

Wed 18/3

07:26-18:20

1 stop13h 54m

$1,042

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 4/3

10:40-19:49

1 stop30h 09m

Lihue

Wed 18/3

08:30-07:25

2 stops25h 55m

$1,745

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 19/2

12:10-13:10

1 stop22h 00m

Lihue

Mon 23/2

14:25-09:15

1 stop21h 50m

$1,856

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 19/5

10:20-15:47

2 stops49h 27m

Lihue

Tue 2/6

19:40-07:00

2 stops39h 20m

$1,873

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 31/1

07:45-14:56

2 stops28h 11m

$875

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 31/1

21:40-20:30

1 stop19h 50m

$961

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 3/6

09:15-17:12

1 stop27h 57m

$1,086

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 3/6

11:00-11:46

2 stops20h 46m

$1,214

Flights are sorted by cheapest return flights first.

Deals found on 26/12

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 9 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.

  • What is the cheapest airport to fly to in Kaua'i?

    Lihue is currently the cheapest airport to fly to in Kaua'i. One-way flights to Lihue typically cost $126, while return flights cost around $213.

  • 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 9 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Kaua'i by cabin class

Find flights to Kaua'i, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Kaua'i?

Cheapflights helps you search for flights to Kaua'i via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets to Kaua'i?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Kaua'i.

Can Cheapflights find flights to Kaua'i with no change fees?

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.