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 (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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Delta

Aug 19

SJC

10h 39m

1 stop

LIH

Aug 27

LIH

9h 30m

1 stop

SJC

$276

Alaska Airlines

Nov 3

SJC

5h 45m

LIH

Nov 17

LIH

5h 10m

SJC

$277

Delta

Aug 19

SJC

10h 39m

1 stop

LIH

Aug 27

LIH

13h 13m

2 stops

SJC

$282

Alaska Airlines

Nov 12

SJC

5h 45m

LIH

Nov 19

LIH

5h 10m

SJC

$283

Delta

Aug 26

SJC

16h 16m

2 stops

LIH

Sep 1

LIH

17h 28m

2 stops

SJC

$287

Delta

Oct 22

SJC

10h 49m

1 stop

LIH

Oct 28

LIH

13h 24m

1 stop

SJC

$296

Delta

Oct 22

SJC

8h 50m

1 stop

LIH

Oct 28

LIH

11h 43m

2 stops

SJC

$302

Delta

Aug 19

SJC

10h 39m

1 stop

LIH

Aug 23

LIH

13h 10m

1 stop

SJC

$306

Delta

Aug 22

SJC

16h 16m

2 stops

LIH

Aug 24

LIH

13h 10m

1 stop

SJC

$312

Delta

Sep 21

SJC

10h 38m

1 stop

LIH

Sep 28

LIH

13h 07m

1 stop

SJC

$316

United Airlines

Aug 24

PDX

11h 29m

1 stop

LIH

Aug 31

LIH

10h 12m

1 stop

PDX

$316

Delta

Aug 22

SJC

16h 16m

2 stops

LIH

Aug 27

LIH

15h 11m

2 stops

SJC

$317

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.

11:37 am - 7:16 pm

SJC

LIH

10h 39m

1 stop

9:55 pm - 10:57 am

LIH

SJC

10h 02m

1 stop

$276Delta

Wed, Aug 19 - Wed, Aug 26

7:00 am - 10:45 am

SJC

LIH

5h 45mnonstop

3:30 pm - 10:40 pm

LIH

SJC

5h 10mnonstop

$277Alaska Airlines

Tue, Nov 3 - Tue, Nov 17

11:15 am - 7:44 pm

PDX

LIH

11h 29m

1 stop

10:48 pm - 12:00 pm

LIH

PDX

10h 12m

1 stop

$316United Airlines

Mon, Aug 24 - Mon, Aug 31

6:20 pm - 11:03 am

SFO

LIH

18h 43m

1 stop

9:44 am - 5:25 am

LIH

SFO

17h 41m

1 stop

$341Multiple Airlines

Sun, Nov 1 - Fri, Nov 6

5:30 am - 11:29 am

PDX

LIH

8h 59m

1 stop

12:52 pm - 12:59 am

LIH

PDX

9h 07m

1 stop

$342United Airlines

Wed, Sep 30 - Mon, Oct 5

9:23 am - 4:30 pm

SFO

LIH

10h 07m

1 stop

3:42 pm - 11:56 pm

LIH

SFO

5h 14mnonstop

$343Multiple Airlines

Wed, Jul 22 - Wed, Aug 26

6:50 am - 4:10 pm

SFO

LIH

12h 20m

2 stops

8:25 pm - 9:20 am

LIH

SFO

9h 55m

1 stop

$351Southwest

Wed, Aug 19 - Wed, Aug 26

8:10 am - 4:15 pm

LAX

LIH

11h 05m

1 stop

3:45 pm - 5:45 am

LIH

LAX

11h 00m

1 stop

$358Southwest

Sun, Aug 16 - Thu, Aug 27

9:13 am - 12:15 pm

LAX

LIH

6h 02mnonstop

1:45 pm - 10:22 pm

LIH

LAX

5h 37mnonstop

$360American Airlines

Mon, Oct 12 - Sun, Oct 18

8:30 am - 11:29 am

LAX

LIH

5h 59mnonstop

10:00 pm - 6:34 am

LIH

LAX

5h 34mnonstop

$363American Airlines

Sun, Aug 16 - Fri, Aug 21

Fly from

Route

Depart

Return

Price

Cheapest round-trip

San JoseLihue

SJC - LIH

SJCLIH

San Jose

Wed 8/19

11:37 am-7:16 pm

1 stop10h 39m

Lihue

Wed 8/26

9:55 pm-10:57 am

1 stop10h 02m

$276

Quickest round-trip

San JoseLihue

SJC - LIH

SJCLIH

San Jose

Tue 11/3

7:00 am-10:45 am

Nonstop5h 45m

Lihue

Tue 11/17

3:30 pm-10:40 pm

Nonstop5h 10m

$277

PortlandLihue

PDX - LIH

PDXLIH

Portland

Mon 8/24

11:15 am-7:44 pm

1 stop11h 29m

Lihue

Mon 8/31

10:48 pm-12:00 pm

1 stop10h 12m

$316

San FranciscoLihue

SFO - LIH

SFOLIH

San Francisco

Sun 11/1

6:20 pm-11:03 am

1 stop18h 43m

Lihue

Fri 11/6

9:44 am-5:25 am

1 stop17h 41m

$341

PortlandLihue

PDX - LIH

PDXLIH

Portland

Wed 9/30

5:30 am-11:29 am

1 stop8h 59m

Lihue

Mon 10/5

12:52 pm-12:59 am

1 stop9h 07m

$342

San FranciscoLihue

SFO - LIH

SFOLIH

San Francisco

Wed 7/22

9:23 am-4:30 pm

1 stop10h 07m

Lihue

Wed 8/26

3:42 pm-11:56 pm

Nonstop5h 14m

$343

San FranciscoLihue

SFO - LIH

SFOLIH

San Francisco

Wed 8/19

6:50 am-4:10 pm

2 stops12h 20m

Lihue

Wed 8/26

8:25 pm-9:20 am

1 stop9h 55m

$351

Los AngelesLihue

LAX - LIH

LAXLIH

Los Angeles

Sun 8/16

8:10 am-4:15 pm

1 stop11h 05m

Lihue

Thu 8/27

3:45 pm-5:45 am

1 stop11h 00m

$358

Los AngelesLihue

LAX - LIH

LAXLIH

Los Angeles

Mon 10/12

9:13 am-12:15 pm

Nonstop6h 02m

Lihue

Sun 10/18

1:45 pm-10:22 pm

Nonstop5h 37m

$360

Los AngelesLihue

LAX - LIH

LAXLIH

Los Angeles

Sun 8/16

8:30 am-11:29 am

Nonstop5h 59m

Lihue

Fri 8/21

10:00 pm-6:34 am

Nonstop5h 34m

$363

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 $464. 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 $540. 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	$128
Best Round-Trip Price	$276
Fastest flight time	5h 27m
Popular in	June

The best one-way flight price to Kaua'i from United States in the last 5 days is $128 (San Francisco to Lihue).

Search Deals

The best round-trip flight price to Kaua'i from United States in the last 5 days is $276 (San Jose to Lihue).

Search Deals

The fastest flight to Kaua'i from United States takes 5h 27m (Oakland to Lihue).

Search Deals

June has the highest demand for flights to Kaua'i, with a 13% price increase on average.

Search Deals

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 32% 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 Tuesday. Wednesday and Tuesday 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 June 2026, there are 8 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.