How long is the flight from United States to Kaua'i?

On average, it takes 10h 55m to fly from United States to Kaua'i if you fly out of Los Angeles Los Angeles (the most popular airport in United States) and into Kastrup Copenhagen (the most popular airport in Kaua'i). If you’re flying out of San Francisco and into Kastrup Copenhagen, then the flight time is around 10h 15m.

Find Cheap Flights to Kaua'i in 2026

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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

Jun 9

HNL

0h 44m

LIH

Jun 9

LIH

0h 39m

HNL

$123

Alaska Airlines

Jun 3

HNL

0h 40m

LIH

Jun 9

LIH

0h 37m

HNL

$129

Alaska Airlines

Jun 2

HNL

0h 45m

LIH

Jun 2

LIH

0h 37m

HNL

$130

Alaska Airlines

Jul 22

HNL

0h 40m

LIH

Jul 28

LIH

0h 36m

HNL

$131

Alaska Airlines

Jun 3

HNL

0h 40m

LIH

Jun 3

LIH

0h 37m

HNL

$132

Alaska Airlines

Jun 2

HNL

0h 42m

LIH

Jun 3

LIH

0h 37m

HNL

$133

Alaska Airlines

Jun 10

HNL

0h 40m

LIH

Jun 10

LIH

0h 37m

HNL

$134

Alaska Airlines

Jun 2

HNL

0h 42m

LIH

Jun 9

LIH

0h 37m

HNL

$135

Alaska Airlines

May 27

HNL

0h 42m

LIH

Jun 3

LIH

0h 37m

HNL

$138

Alaska Airlines

Jun 1

HNL

0h 42m

LIH

Jun 2

LIH

0h 37m

HNL

$140

Alaska Airlines

May 25

HNL

0h 42m

LIH

May 27

LIH

0h 37m

HNL

$142

Alaska Airlines

May 26

HNL

0h 42m

LIH

May 28

LIH

0h 37m

HNL

$143

Find the cheapest flights from the United States to Kaua'i

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from the United States to Kaua'i

Enter your travel dates to find the best prices.

2:55 pm - 3:39 pm

HNL

LIH

0h 44mnonstop

8:45 pm - 9:24 pm

LIH

HNL

0h 39mnonstop

$123Alaska Airlines

Tue, Jun 9 - Tue, Jun 9

6:00 am - 6:40 am

HNL

LIH

0h 40mnonstop

4:12 pm - 4:49 pm

LIH

HNL

0h 37mnonstop

$129Alaska Airlines

Wed, Jun 3 - Tue, Jun 9

7:00 am - 9:36 am

SJC

LIH

5h 36mnonstop

3:40 pm - 11:59 pm

LIH

SJC

5h 19mnonstop

$251Alaska Airlines

Thu, May 28 - Thu, May 28

7:00 am - 9:36 am

SJC

LIH

5h 36mnonstop

3:40 pm - 11:59 pm

LIH

SJC

5h 19mnonstop

$257Alaska Airlines

Thu, May 28 - Thu, Jun 4

11:45 am - 7:06 pm

SJC

LIH

10h 21m

1 stop

9:55 pm - 2:09 pm

LIH

SJC

13h 14m

1 stop

$276Delta

Wed, May 27 - Tue, Jun 2

11:45 am - 7:06 pm

SJC

LIH

10h 21m

1 stop

9:55 pm - 4:09 pm

LIH

SJC

15h 14m

2 stops

$282Delta

Thu, May 28 - Tue, Jun 2

10:36 am - 1:16 pm

SFO

LIH

5h 40mnonstop

10:44 pm - 6:56 am

LIH

SFO

5h 12mnonstop

$300United Airlines

Wed, Jun 3 - Wed, Jun 3

1:25 pm - 7:42 pm

LAX

LIH

9h 17m

1 stop

1:01 pm - 9:40 pm

LIH

LAX

5h 39mnonstop

$318United Airlines

Wed, Jun 3 - Mon, Jun 8

8:30 am - 4:10 pm

PHX

LIH

10h 40m

2 stops

1:50 pm - 5:10 am

LIH

PHX

12h 20m

1 stop

$459Southwest

Wed, May 13 - Wed, May 27

10:05 am - 4:10 pm

PHX

LIH

9h 05m

1 stop

6:15 am - 7:55 pm

LIH

PHX

10h 40m

2 stops

$464Southwest

Mon, May 11 - Wed, May 13

Fly from

Route

Depart

Return

Price

Cheapest round-trip

HonoluluLihue

HNL - LIH

HNLLIH

Honolulu

Tue 6/9

2:55 pm-3:39 pm

Nonstop0h 44m

Lihue

Tue 6/9

8:45 pm-9:24 pm

Nonstop0h 39m

$123

Quickest round-trip

HonoluluLihue

HNL - LIH

HNLLIH

Honolulu

Wed 6/3

6:00 am-6:40 am

Nonstop0h 40m

Lihue

Tue 6/9

4:12 pm-4:49 pm

Nonstop0h 37m

$129

San JoseLihue

SJC - LIH

SJCLIH

San Jose

Thu 5/28

7:00 am-9:36 am

Nonstop5h 36m

Lihue

Thu 5/28

3:40 pm-11:59 pm

Nonstop5h 19m

$251

San JoseLihue

SJC - LIH

SJCLIH

San Jose

Thu 5/28

7:00 am-9:36 am

Nonstop5h 36m

Lihue

Thu 6/4

3:40 pm-11:59 pm

Nonstop5h 19m

$257

San JoseLihue

SJC - LIH

SJCLIH

San Jose

Wed 5/27

11:45 am-7:06 pm

1 stop10h 21m

Lihue

Tue 6/2

9:55 pm-2:09 pm

1 stop13h 14m

$276

San JoseLihue

SJC - LIH

SJCLIH

San Jose

Thu 5/28

11:45 am-7:06 pm

1 stop10h 21m

Lihue

Tue 6/2

9:55 pm-4:09 pm

2 stops15h 14m

$282

San FranciscoLihue

SFO - LIH

SFOLIH

San Francisco

Wed 6/3

10:36 am-1:16 pm

Nonstop5h 40m

Lihue

Wed 6/3

10:44 pm-6:56 am

Nonstop5h 12m

$300

Los AngelesLihue

LAX - LIH

LAXLIH

Los Angeles Los Angeles

Wed 6/3

1:25 pm-7:42 pm

1 stop9h 17m

Lihue

Mon 6/8

1:01 pm-9:40 pm

Nonstop5h 39m

$318

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Wed 5/13

8:30 am-4:10 pm

2 stops10h 40m

Lihue

Wed 5/27

1:50 pm-5:10 am

1 stop12h 20m

$459

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Mon 5/11

10:05 am-4:10 pm

1 stop9h 05m

Lihue

Wed 5/13

6:15 am-7:55 pm

2 stops10h 40m

$464

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Kaua'i flights insights and trends

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

Prices

Airlines

Other information

See prices from:

What is the cheapest day to depart on your flight to Kaua'i?

According to our data, Wednesday is the cheapest day to fly to Kaua'i from United States. The lowest ticket price found for a Wednesday departure recently was $467. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $547. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kaua'i.

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 United States

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	$64
Best Round-Trip Price	$123
Fastest flight time	0h 40m
Popular in	June

The best one-way flight price to Kaua'i from United States in the last 72 hours is $64 (Honolulu to Lihue).

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The best round-trip flight price to Kaua'i from United States in the last 72 hours is $123 (Honolulu to Lihue).

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The fastest flight to Kaua'i from United States takes 0h 40m (Honolulu to Lihue).

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June has the highest demand for flights to Kaua'i, with a 14% price increase on average.

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Frequently asked questions about flying to Kaua'i

What airlines fly to Kaua'i?

There are a total of 7 airlines that operate flight routes to Kaua'i, with Alaska Airlines being the most popular option. An estimated 33% of those flying into Kaua'i choose to fly with Alaska Airlines. If you’re unable to find tickets with Alaska Airlines, then United Airlines and American Airlines are also popular airlines to fly with.

What is the best day of the week to fly to Kaua'i?

The best day to take a flight to Kaua'i is on Wednesday, followed by Thursday. Wednesday and Thursday tend to have the lowest flight prices to Kaua'i. If your travel dates are flexible, then try to avoid booking on a Saturday, which is known for being the most expensive day of the week to fly to Kaua'i.

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

Prices for flights to Kaua'i are updated daily.

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

As of May 2026, there are 9 operators available to choose from for flights to Kaua'i.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Kaua'i.

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

The travel and health documents you'll need for your trip to Kaua'i may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kaua'i. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find flights to Kaua'i on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kaua'i that suits you.

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

momondo does allow users to show only those flights to Kaua'i which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight to Kaua'i by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight to Kaua'i now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Kaua'i and let you know when they change.