$390+ Cheap flights to Kaua'i

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
— LIH
1 Sep — 8 Sep1
1 adult

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 27 August 2025.

Return from

$1,412

One-way from

$390
Hawaiian Airlines
  • Hawaiian Airlines
  • 16/9-19/9
  • 2 total stops
  • 36h 37m total
  • Sydney to Lihue
Search Deals
15/10
  • 15/10
  • 1 total stop
  • 12h 33m total
  • Sydney to Kaua'i
Search Deals

Find flight deals to Kaua'i

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 27 August 2025.

Tue 16/921:40SYD - LIH
1 stop18h 52mHawaiian Airlines
Fri 19/906:00LIH - SYD
1 stop17h 45mHawaiian Airlines
Deal found 26/8$1,412
Tue 16/921:40SYD - LIH
1 stop20h 32mAlaska Airlines
Fri 19/909:07LIH - SYD
2 stops14h 38mAlaska Airlines
Deal found 26/8$1,452
Thu 9/1011:10SYD - LIH
2 stops29h 16mMultiple Airlines
Thu 16/1021:00LIH - SYD
1 stop21h 40mMultiple Airlines
Deal found 25/8$1,799
Thu 9/1013:30SYD - LIH
2 stops17h 30mQantas Airways
Thu 16/1006:47LIH - SYD
2 stops16h 28mQantas Airways
Deal found 25/8$1,805
Thu 9/1011:20SYD - LIH
1 stop21h 01mUnited Airlines
Thu 16/1013:20LIH - SYD
1 stop21h 40mUnited Airlines
Deal found 25/8$1,970
Thu 9/1021:40SYD - LIH
1 stop21h 25mHawaiian Airlines
Thu 16/1006:47LIH - SYD
1 stop15h 58mHawaiian Airlines
Deal found 25/8$2,073
Tue 16/913:15SYD - LIH
3 stops22h 33mMultiple Airlines
Fri 19/916:45LIH - SYD
2 stops47h 50mMultiple Airlines
Deal found 26/8$2,919
Thu 9/1010:20SYD - LIH
2 stops46h 45mAir Canada
Thu 16/1013:20LIH - SYD
3 stops46h 00mAir Canada
Deal found 25/8$4,069

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 27 August 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 16/9

21:40-20:32

1 stop18h 52m

Lihue

Fri 19/9

06:00-19:45

1 stop17h 45m

$1,412

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 16/9

21:40-22:12

1 stop20h 32m

Lihue

Fri 19/9

09:07-19:45

2 stops14h 38m

$1,452

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 9/10

11:10-19:26

2 stops29h 16m

Lihue

Thu 16/10

21:00-15:40

1 stop21h 40m

$1,799

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 9/10

13:30-10:00

2 stops17h 30m

Lihue

Thu 16/10

06:47-20:15

2 stops16h 28m

$1,805

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 9/10

11:20-11:21

1 stop21h 01m

Lihue

Thu 16/10

13:20-08:00

1 stop21h 40m

$1,970

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 9/10

21:40-22:05

1 stop21h 25m

Lihue

Thu 16/10

06:47-19:45

1 stop15h 58m

$2,073

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Tue 16/9

13:15-15:48

3 stops22h 33m

Lihue

Fri 19/9

16:45-12:35

2 stops47h 50m

$2,919

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Thu 9/10

10:20-12:05

2 stops46h 45m

Lihue

Thu 16/10

13:20-08:20

3 stops46h 00m

$4,069

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 15/10

17:20-08:53

1 stop12h 33m

$390

Flights are sorted by cheapest return flights first.

Deals found on 26/8

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 12 hours 36 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 $107, while return flights cost around $139.

  • 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 (12 hours 36 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.