How many flights depart from State of Washington to Kaua'i on average per day?

As of April 2026, there are 8 flights per day flying from State of Washington to Kaua'i. The most common time of day flights depart is 2:00PM, with 70% of flights taking off in the afternoon.

What is the cheapest airline that flies from Washington to Kaua'i?

American Airlines, United Airlines, and Southwest are the most popular carriers operating from Washington to Kaua'i

What airlines fly to Kaua'i?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Kaua'i from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Kaua'i. Keep in mind that there are 7 different airlines that fly to Kaua'i on a routine basis, so you have a few additional options to choose from.

How long is the flight from State of Washington to Kaua'i?

On average, it takes 9h 15m to fly from State of Washington to Kaua'i if you fly out of Seattle (the most popular airport in State of Washington) and into Copenhagen (the most popular airport in Kaua'i). If you’re flying out of Spokane and into Copenhagen, then the flight time is around 15h 09m.

How many flights depart from State of Washington to Kaua'i on average per week?

As of April 2026, 62 flights take off from State of Washington and land in Kaua'i each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.

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

Prices for flights from Washington to Kaua'i are refreshed on a daily basis.

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

The number of operators available for flights from Washington to Kaua'i is 7 as of April 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Kaua'i.

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

The travel and health documents required for your trip to Kaua'i can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kaua'i. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$138 Cheap Flights from Washington to Kaua'i in 2026

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Find the cheapest flights from Washington to Kaua'i

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:40 am - 6:40 pm

SEA

LIH

10h 00m

1 stop

8:20 pm - 5:03 am

LIH

SEA

5h 43mnonstop

$324Delta

Sun, Apr 26 - Thu, Apr 30

6:50 am - 4:10 pm

SEA

LIH

12h 20m

1 stop

9:10 pm - 11:05 am

LIH

SEA

10h 55m

1 stop

$330Southwest

Sun, Apr 26 - Thu, Apr 30

6:30 am - 3:15 pm

SEA

LIH

11h 45m

1 stop

9:30 pm - 10:41 am

LIH

SEA

10h 11m

1 stop

$331American Airlines

Tue, Apr 28 - Mon, May 4

5:20 am - 12:22 pm

SEA

LIH

10h 02m

1 stop

9:30 pm - 8:13 pm

LIH

SEA

19h 43m

1 stop

$332American Airlines

Mon, May 4 - Tue, May 12

11:35 am - 7:53 pm

SEA

LIH

11h 18m

1 stop

1:13 pm - 1:12 am

LIH

SEA

8h 59m

1 stop

$346United Airlines

Mon, Apr 27 - Mon, May 4

1:50 pm - 9:42 am

GEG

LIH

22h 52m

1 stop

12:02 pm - 11:06 pm

LIH

GEG

8h 04m

1 stop

$459Alaska Airlines

Tue, May 26 - Tue, Jun 2

1:57 pm - 9:26 pm

YKM

LIH

10h 29m

1 stop

7:55 pm - 1:20 pm

LIH

YKM

14h 25m

2 stops

$462Multiple Airlines

Tue, May 5 - Wed, May 6

1:50 pm - 9:42 am

GEG

LIH

22h 52m

1 stop

12:02 pm - 11:06 pm

LIH

GEG

8h 04m

1 stop

$465Alaska Airlines

Tue, May 26 - Tue, Jun 2

5:00 am - 11:02 am

GEG

LIH

9h 02m

1 stop

6:00 am - 10:52 pm

LIH

GEG

13h 52m

2 stops

$484Multiple Airlines

Tue, May 26 - Tue, Jun 2

1:39 pm - 7:53 pm

PSC

LIH

9h 14m

1 stop

11:00 pm - 12:30 pm

LIH

PSC

10h 30m

1 stop

$536United Airlines

Thu, Apr 16 - Mon, Apr 20

Alaska Airlines flights from State of Washington to Kaua'i

Our best Alaska Airlines deals on State of Washington to Kaua'i flight tickets

Alaska Airlines

May 4

SEA6:02 pmSeattle/Tacoma Intl

6h 24m

LIH9:26 pmLihue

May 12

LIH1:36 pmLihue

17h 44m

1 stop

SEA10:20 amSeattle/Tacoma Intl

$386

Alaska Airlines

May 2

SEA6:02 pmSeattle/Tacoma Intl

6h 24m

LIH9:26 pmLihue

May 5

LIH10:26 pmLihue

5h 49m

SEA7:15 amSeattle/Tacoma Intl

$387

Alaska Airlines

Apr 27

PDX7:53 amPortland

6h 18m

LIH11:11 amLihue

May 4

LIH12:11 pmLihue

5h 34m

PDX8:45 pmPortland

$389

American Airlines flights from State of Washington to Kaua'i

Our best American Airlines deals on State of Washington to Kaua'i flight tickets

American Airlines

Apr 28

SEA6:30 amSeattle/Tacoma Intl

11h 45m

1 stop

LIH3:15 pmLihue

May 4

LIH9:30 pmLihue

10h 11m

1 stop

SEA10:41 amSeattle/Tacoma Intl

$331

American Airlines

May 4

SEA5:20 amSeattle/Tacoma Intl

10h 02m

1 stop

LIH12:22 pmLihue

May 12

LIH9:30 pmLihue

19h 43m

1 stop

SEA8:13 pmSeattle/Tacoma Intl

$332

American Airlines

May 6

SEA6:19 pmSeattle/Tacoma Intl

23h 56m

1 stop

LIH3:15 pmLihue

May 11

LIH9:30 pmLihue

10h 11m

1 stop

SEA10:41 amSeattle/Tacoma Intl

$336

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Sun 4/26

11:40 am-6:40 pm

1 stop10h 00m

Lihue

Thu 4/30

8:20 pm-5:03 am

Nonstop5h 43m

$324

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Sun 4/26

6:50 am-4:10 pm

1 stop12h 20m

Lihue

Thu 4/30

9:10 pm-11:05 am

1 stop10h 55m

$330

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Tue 4/28

6:30 am-3:15 pm

1 stop11h 45m

Lihue

Mon 5/4

9:30 pm-10:41 am

1 stop10h 11m

$331

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 5/4

5:20 am-12:22 pm

1 stop10h 02m

Lihue

Tue 5/12

9:30 pm-8:13 pm

1 stop19h 43m

$332

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 4/27

11:35 am-7:53 pm

1 stop11h 18m

Lihue

Mon 5/4

1:13 pm-1:12 am

1 stop8h 59m

$346

SpokaneLihue

GEG - LIH

GEGLIH

Spokane

Tue 5/26

1:50 pm-9:42 am

1 stop22h 52m

Lihue

Tue 6/2

12:02 pm-11:06 pm

1 stop8h 04m

$459

YakimaLihue

YKM - LIH

YKMLIH

Yakima Air Terminal

Tue 5/5

1:57 pm-9:26 pm

1 stop10h 29m

Lihue

Wed 5/6

7:55 pm-1:20 pm

2 stops14h 25m

$462

SpokaneLihue

GEG - LIH

GEGLIH

Spokane

Tue 5/26

1:50 pm-9:42 am

1 stop22h 52m

Lihue

Tue 6/2

12:02 pm-11:06 pm

1 stop8h 04m

$465

SpokaneLihue

GEG - LIH

GEGLIH

Spokane

Tue 5/26

5:00 am-11:02 am

1 stop9h 02m

Lihue

Tue 6/2

6:00 am-10:52 pm

2 stops13h 52m

$484

PascoLihue

PSC - LIH

PSCLIH

Pasco Tri Cities

Thu 4/16

1:39 pm-7:53 pm

1 stop9h 14m

Lihue

Mon 4/20

11:00 pm-12:30 pm

1 stop10h 30m

$536

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Kaua'i

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Kaua'i?

In general, January is the cheapest month to fly from State of Washington to Kaua'i. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $406. The month of September is another great option to travel to Kaua'i, with average flight prices from State of Washington averaging around $485.

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

According to our data, Monday is the cheapest day to fly to Kaua'i from State of Washington. The lowest ticket price found for a Monday departure recently was $578. 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 Friday because tickets tend to average around $668. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kaua'i.

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

The cheapest time of day to fly to Kaua'i is at noon when flights can be purchased for as low as $512. In contrast, the most expensive time of day to depart to Kaua'i is in the morning when prices are around $668.

What is the cheapest Washington to Kaua'i flight route?

Fly from Seattle/Tacoma Intl to Lihue for the best Washington - Kaua'i flight prices

How far in advance should I book a flight to Kaua'i?

You are more likely to see cheaper flights to Kaua'i from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Kaua'i for around $575 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kaua'i from State of Washington for as low as $432 on momondo.

What cabin class options are available on Washington to Kaua'i flights?

There are 4 cabin classes available to choose from on Washington to Kaua'i flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Kaua'i flights?

No. A direct flight is the cheapest option for a flight between State of Washington to Kaua'i.

Cheap State of Washington to Kaua'i flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Kaua'i

Best Price Found	$294
Fastest flight time	6h 00m
Direct flights	Every day
Airports in Kaua'i	1 airport

The best one-way flight to Kaua'i from State of Washington in the past 72 hours is $294. The best round-trip flight deal from State of Washington to Kaua'i found on momondo in the last 72 hours is $492.

The fastest flight from State of Washington to Kaua'i takes 6h 00m

Direct flights go from State of Washington to Kaua'i every day.

There is 1 airport in Kaua'i. From State of Washington there are direct flights to Lihue (LIH).

Search flight deals

Frequently asked questions about flying from Washington to Kaua'i

When did momondo last update prices for flights from Washington to Kaua'i?
Prices for flights from Washington to Kaua'i are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Kaua'i?
The number of operators available for flights from Washington to Kaua'i is 7 as of April 2026.
How old do you have to be to fly from Washington to Kaua'i?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Kaua'i.
What documentation or ID do you need to fly to Kaua'i?
The travel and health documents required for your trip to Kaua'i can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kaua'i. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from State of Washington to Kaua'i?
momondo data reveals that the most frequently booked plane model on the route from State of Washington to Kaua'i is Boeing 737-800 Passenger/BBJ2 (winglets), representing 17.11% of all bookings. The subsequent popular models are Airbus A321neo at 12.26%, Boeing 737 MAX 8 at 8.16%, and Boeing 787-9 Dreamliner at 7.54%.

Best airlines flying from State of Washington to Kaua'i

Compare and see reviews for airlines that fly from State of Washington to Kaua'i with momondo

Airline	Rating	Free Cancellation	Price
Hawaiian Airlines	PriceFrom $189	Free Cancellation	Rating 7.8 2,838 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $237	Free Cancellation	Rating 7.9 8,366 reviews	Search Delta flights
Alaska Airlines	PriceFrom $245	Free Cancellation	Rating 0.0	Search Alaska Airlines flights
American Airlines	PriceFrom $247	Free Cancellation	Rating 7.1 11,545 reviews	Search American Airlines flights
United Airlines	PriceFrom $256	Free Cancellation	Rating 7.4 9,530 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $290	Free Cancellation	Rating 7.9 12,144 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $317	Free Cancellation	Rating 8.0 4,335 reviews	Search Southwest flights

Why use momondo?

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

Finding the right flight to Kaua'i from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that 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 from Washington to Kaua'i with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Kaua'i from Washington with this policy.

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

momondo helps you find the best flight between Washington and 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 from Washington to Kaua'i right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington to Kaua'i flights 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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Flights to Atlantafrom $50

Flights to Dallasfrom $55

Flights to Fort Lauderdalefrom $56

Cheap flights from Washington to Kaua'i from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Kaua'i departing on 4/20. 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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Alaska Airlines flights from State of Washington to Kaua'i

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How to get the cheapest flight ticket from State of Washington to Kaua'i

What is the cheapest month to fly to Kaua'i?

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

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

What is the cheapest Washington to Kaua'i flight route?

How far in advance should I book a flight to Kaua'i?

What cabin class options are available on Washington to Kaua'i flights?

Can stopping save me money on State of Washington to Kaua'i flights?

What is the cheapest airline that flies from Washington to Kaua'i?

What airlines fly to Kaua'i?

How many flights depart from State of Washington to Kaua'i on average per day?

How many flights depart from State of Washington to Kaua'i on average per week?

How long is the flight from State of Washington to Kaua'i?

Cheap State of Washington to Kaua'i flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Kaua'i

Best Price Found

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Direct flights

Airports in Kaua'i

Frequently asked questions about flying from Washington to Kaua'i

Best airlines flying from State of Washington to Kaua'i

Compare and see reviews for airlines that fly from State of Washington to Kaua'i with momondo

Why use momondo?

An easier way to manage your Kaua'i trip

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