$1,129+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
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 25 March 2025.
Find flight deals to Kaua'i
Cheapest flights to Kaua'iExplore the most affordable flight options available to Kaua'i. Find the lowest fares based on data from user searches, with prices last updated on 25 March 2025.
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 25 March 2025.
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 25 March 2025.
Use the filters below to find and compare flights to Kaua'i that are best for you.
Fly from
Route
Depart
Return
Price
SydneyLihue
SYD - LIH
SYDLIH
Sydney Kingsford Smith
Fri 9/5
21:40-16:42
1 stop15h 02m
Lihue
Fri 16/5
06:45-19:45
1 stop17h 00m
SydneyLihue
SYD - LIH
SYDLIH
Sydney Kingsford Smith
Fri 9/5
22:00-11:05
2 stops33h 05m
Lihue
Fri 16/5
21:00-18:30
1 stop25h 30m
SydneyLihue
SYD - LIH
SYDLIH
Sydney Kingsford Smith
Fri 9/5
10:20-11:32
2 stops45h 12m
Lihue
Fri 16/5
12:48-06:55
2 stops46h 07m
SydneyLihue
SYD - LIH
SYDLIH
Sydney Kingsford Smith
Fri 9/5
09:20-11:32
3 stops46h 12m
Lihue
Fri 16/5
12:48-07:20
3 stops46h 32m
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.
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 16 hours 17 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.
What are the most popular airlines that fly to Kaua'i?
The most popular airline flying from Sydney to Kaua'i is Hawaiian Airlines.
What are the cheapest airlines that fly to Kaua'i?
The cheapest airline flying from Sydney to Kaua'i is Hawaiian Airlines.
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).
Reviews of airlines servicing Kaua'i
Get insights into the airlines that provide service to Kaua'i. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kaua'i. Reviews last updated 25 March 2025.
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Roy,Feb 2025
KOA - HNL
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Roy,Feb 2025
KOA - HNL
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Roy,Feb 2025
KOA - HNL
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Roy,Feb 2025
KOA - HNL
FAQs about flying to Kaua'i
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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!