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Look for other cheap flights to Kaua'i

$856 Cheap flights to Kaua'i

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Kaua'i departing on 25/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Recent flights found to popular cities in Kaua'i

Find flights to these popular cities in Kaua'i from your nearest airport.

Flights to Lihue

Search all flight deals to Lihue
Alaska Airlines
25 Apr
SYD
31h 41m
1 stop
LIH
2 May
LIH
13h 54m
1 stop
SYD
$856
Alaska Airlines
25 Apr
SYD
12h 39m
1 stop
LIH
29 Apr
LIH
13h 54m
1 stop
SYD
$887
Alaska Airlines
25 Apr
SYD
30h 56m
1 stop
LIH
29 Apr
LIH
31h 57m
1 stop
SYD
$897
Alaska Airlines
25 Apr
SYD
17h 11m
1 stop
LIH
29 Apr
LIH
15h 29m
1 stop
SYD
$898
Alaska Airlines
25 Apr
SYD
16h 39m
1 stop
LIH
29 Apr
LIH
29h 40m
1 stop
SYD
$903
Multiple Airlines
16 Apr
MEL
16h 53m
2 stops
LIH
30 Apr
LIH
20h 47m
2 stops
MEL
$1,050
Alaska Airlines
25 Apr
SYD
15h 00m
2 stops
LIH
2 May
LIH
15h 29m
1 stop
SYD
$1,102
Multiple Airlines
15 Apr
SYD
12h 37m
1 stop
LIH
20 Apr
LIH
30h 30m
1 stop
SYD
$1,348
Multiple Airlines
15 Apr
SYD
39h 49m
2 stops
LIH
20 Apr
LIH
14h 20m
1 stop
SYD
$1,448
Multiple Airlines
22 Apr
SYD
13h 09m
1 stop
LIH
29 Apr
LIH
15h 09m
1 stop
SYD
$1,669
Multiple Airlines
26 Apr
MEL
20h 54m
2 stops
LIH
3 May
LIH
16h 39m
2 stops
MEL
$1,863
Multiple Airlines
24 June
SYD
13h 52m
1 stop
LIH
29 June
LIH
13h 59m
1 stop
SYD
$1,869

Find the cheapest flights from Australia to Kaua'i

Recent return flight deals from Australia to Kaua'i

Enter your travel dates to find the best prices.
Alaska Airlines Logo
20:45 - 08:26
SYD
-
LIH
31h 41m
1 stop
Alaska Airlines Logo
08:56 - 18:50
LIH
-
SYD
13h 54m
1 stop
$856Alaska Airlines
Sat, 25 Apr - Sat, 2 May
Alaska Airlines Logo
20:45 - 13:24
SYD
-
LIH
12h 39m
1 stop
Alaska Airlines Logo
08:56 - 18:50
LIH
-
SYD
13h 54m
1 stop
$887Alaska Airlines
Sat, 25 Apr - Wed, 29 Apr
Alaska Airlines Logo
20:45 - 07:41
SYD
-
LIH
30h 56m
1 stop
Alaska Airlines Logo
14:53 - 18:50
LIH
-
SYD
31h 57m
1 stop
$897Alaska Airlines
Sat, 25 Apr - Wed, 29 Apr
Alaska Airlines Logo
20:45 - 17:56
SYD
-
LIH
17h 11m
1 stop
Alaska Airlines Logo
07:21 - 18:50
LIH
-
SYD
15h 29m
1 stop
$898Alaska Airlines
Sat, 25 Apr - Wed, 29 Apr
Alaska Airlines Logo
20:45 - 17:24
SYD
-
LIH
16h 39m
1 stop
Alaska Airlines Logo
17:10 - 18:50
LIH
-
SYD
29h 40m
1 stop
$903Alaska Airlines
Sat, 25 Apr - Wed, 29 Apr
Multiple Airlines Logo
17:15 - 14:08
MEL
-
LIH
16h 53m
2 stops
Multiple Airlines Logo
06:48 - 23:35
LIH
-
MEL
20h 47m
2 stops
$1,050Multiple Airlines
Thu, 16 Apr - Thu, 30 Apr
Alaska Airlines Logo
20:45 - 15:45
SYD
-
LIH
15h 00m
2 stops
Alaska Airlines Logo
07:21 - 18:50
LIH
-
SYD
15h 29m
1 stop
$1,102Alaska Airlines
Sat, 25 Apr - Sat, 2 May
Multiple Airlines Logo
20:15 - 12:52
SYD
-
LIH
12h 37m
1 stop
Multiple Airlines Logo
16:00 - 18:30
LIH
-
SYD
30h 30m
1 stop
$1,348Multiple Airlines
Wed, 15 Apr - Mon, 20 Apr
United Airlines Logo
10:55 - 19:53
MEL
-
LIH
28h 58m
1 stop
United Airlines Logo
19:35 - 08:15
LIH
-
MEL
40h 40m
2 stops
$2,198United Airlines
Thu, 16 Apr - Thu, 30 Apr
Lufthansa Logo
10:55 - 19:53
MEL
-
LIH
28h 58m
1 stop
Lufthansa Logo
13:16 - 08:15
LIH
-
MEL
22h 59m
1 stop
$2,337Lufthansa
Sun, 26 Apr - Sun, 3 May

momondo Fare Finder

 
Locate flights to Kaua'i that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 13 March 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

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 25/4

20:45-08:26

1 stop31h 41m

Lihue

Sat 2/5

08:56-18:50

1 stop13h 54m

$856
Fastest return journey

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 25/4

20:45-13:24

1 stop12h 39m

Lihue

Wed 29/4

08:56-18:50

1 stop13h 54m

$887

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 25/4

20:45-07:41

1 stop30h 56m

Lihue

Wed 29/4

14:53-18:50

1 stop31h 57m

$897

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 25/4

20:45-17:56

1 stop17h 11m

Lihue

Wed 29/4

07:21-18:50

1 stop15h 29m

$898

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 25/4

20:45-17:24

1 stop16h 39m

Lihue

Wed 29/4

17:10-18:50

1 stop29h 40m

$903

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Thu 16/4

17:15-14:08

2 stops16h 53m

Lihue

Thu 30/4

06:48-23:35

2 stops20h 47m

$1,050

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Sat 25/4

20:45-15:45

2 stops15h 00m

Lihue

Sat 2/5

07:21-18:50

1 stop15h 29m

$1,102

SydneyLihue

SYD - LIH

SYDLIH

Sydney Kingsford Smith

Wed 15/4

20:15-12:52

1 stop12h 37m

Lihue

Mon 20/4

16:00-18:30

1 stop30h 30m

$1,348

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Thu 16/4

10:55-19:53

1 stop28h 58m

Lihue

Thu 30/4

19:35-08:15

2 stops40h 40m

$2,198

MelbourneLihue

MEL - LIH

MELLIH

Melbourne

Sun 26/4

10:55-19:53

1 stop28h 58m

Lihue

Sun 3/5

13:16-08:15

1 stop22h 59m

$2,337

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Kaua'i from

Kaua'i flights insights and trends

Explore insights for your Kaua'i flight to craft the best travel plan

How long is the flight from Australia to Kaua'i?

The flight from Australia to Kaua'i depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Sydney Kingsford Smith (a popular airport in Australia) to Kastrup Copenhagen (the most popular airport in Kaua'i), then the flight time is 24h 45m on average. If you fly from Melbourne (another popular airport in Australia) to Kastrup Copenhagen, then the average flight time is 22h 35m.

Cheapest flights to cities in Kaua'i

Click on the cities below to find out when it's cheapest to fly to Kaua'i from Australia
Lihue
Lihue
Find flights to Lihue

Cheap Kaua'i flight deals and tips

Summary info about Kaua'i flight prices, duration and airlines

Best One-Way Price

$817

Best Round-Trip Price

$856

Fastest flight time

44h 13m
The best one-way flight price to Kaua'i from Australia in the last 72 hours is $817 (Sydney Kingsford Smith to Lihue).
Search Deals
The best round-trip flight price to Kaua'i from Australia in the last 72 hours is $856 (Sydney Kingsford Smith to Lihue).
Search Deals
The fastest flight to Kaua'i from Australia takes 44h 13m (Sydney Kingsford Smith to Lihue).
Search Deals

Frequently asked questions about flying to Kaua'i

When did momondo last update prices for flights to Kaua'i?

Prices for flights to Kaua'i refresh daily.

How many operators does momondo search for flights to Kaua'i?

There is 1 operator available for flights to Kaua'i as of March 2026.

How old do you have to be to fly to Kaua'i?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Kaua'i.

What documentation or ID do you need to fly to Kaua'i?

The required travel and health documents for your Kaua'i trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Kaua'i. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Kaua'i?

Finding the right flight to Kaua'i is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kaua'i quick and easy, saving you time and money.

Can I find flights to Kaua'i with flexible booking policies on momondo?

All flight searches to Kaua'i on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Kaua'i?

momondo provides multiple filters to help you find the best flight to Kaua'i. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight to Kaua'i right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for Kaua'i and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Kaua'i

Popular Flights to Kaua'i

Popular routes according to searches in the past day on momondo
Sydney to Lihue flightsfrom $897
Melbourne to Lihue flightsfrom $1,298