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$129+ Cheap flights from Washington to Kaua'i

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIH
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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Cheap flight deals from Washington to Kaua'i

Keep the following information in mind while searching for Washington to Kaua'i flight deals. Data was last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(Delta)

One-way from

$129
(Southwest)

Popular in

February

Cheapest in

January

Average price

$640

Good round-trip deal

$453 or less

Good one-way deal

$239 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Lihue flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Lihue flights.
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From Washington to Kaua'i
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One-way flight from Washington to Kaua'i
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Highest demand for flights based on searches. 3% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Washington to Kaua'i.
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Price to beat on a one-way flight from Washington to Kaua'i.
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Find flight deals from Washington to Kaua'i

Cheapest flights from Washington to Kaua'i
Explore the most affordable flight options available from Washington to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/218:37 pmPDX - LIH
1 stop18h 53mAlaska Airlines
Mon 4/281:55 pmLIH - PDX
Nonstop5h 28mAlaska Airlines
Deal found 2/22$303
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:38 pmPDX - LIH
1 stop8h 48mDelta
Wed 5/219:45 pmLIH - PDX
1 stop7h 49mDelta
Deal found 2/21$315
This Hawaiian Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:24 amPDX - LIH
Nonstop6h 15mHawaiian Airlines
Wed 5/141:55 pmLIH - PDX
Nonstop5h 28mHawaiian Airlines
Deal found 2/21$328
This Southwest deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/155:10 amPDX - LIH
1 stop10h 40mSouthwest
Mon 4/219:00 amLIH - PDX
1 stop10h 20mSouthwest
Deal found 2/21$329
This American Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/25:13 amPDX - LIH
1 stop12h 49mAmerican Airlines
Mon 3/109:00 pmLIH - PDX
1 stop10h 46mAmerican Airlines
Deal found 2/21$347
This Trip.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/146:50 pmSEA - LIH
1 stop26h 21mAlaska Airlines
Wed 4/237:42 pmLIH - SEA
1 stop9h 43mAlaska Airlines
Deal found 2/21$366
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/26:30 amSEA - LIH
1 stop11h 32mAmerican Airlines
Thu 3/610:30 pmLIH - SEA
1 stop10h 23mAmerican Airlines
Deal found 2/20$367
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/213:25 pmSEA - LIH
Nonstop6h 19mDelta
Mon 4/2810:00 pmLIH - SEA
1 stop11h 33mDelta
Deal found 2/21$368
This Kiwi.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:16 pmSEA - LIH
Nonstop6h 17mHawaiian Airlines
Thu 5/2210:33 pmLIH - SEA
Nonstop5h 37mHawaiian Airlines
Deal found 2/21$379
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/266:00 amPDX - LIH
1 stop9h 15mUnited Airlines
Wed 3/52:35 pmLIH - PDX
1 stop8h 15mUnited Airlines
Deal found 2/21$402
This Hawaiian Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/23:25 pmGEG - LIH
1 stop8h 50mHawaiian Airlines
Tue 7/810:10 pmLIH - GEG
1 stop7h 49mHawaiian Airlines
Deal found 2/21$462
This Alaska Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:30 amGEG - LIH
2 stops12h 12mAlaska Airlines
Fri 9/510:10 pmLIH - GEG
1 stop9h 50mAlaska Airlines
Deal found 2/21$472

Find flights from Washington to Kaua'i within your budget

Customize your flight search to find flights from Washington to Kaua'i that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.

Fly from

Washington

Fly to

Kaua'i

Route

Depart

Return

Price

PortlandLihue

PDX - LIH

PDXLIH

Portland

Mon 4/21

8:37 pm-12:30 pm

1 stop18h 53m

Lihue

Mon 4/28

1:55 pm-10:23 pm

Nonstop5h 28m

$303

PortlandLihue

PDX - LIH

PDXLIH

Portland

Wed 5/14

1:38 pm-7:26 pm

1 stop8h 48m

Lihue

Wed 5/21

9:45 pm-8:34 am

1 stop7h 49m

$315

PortlandLihue

PDX - LIH

PDXLIH

Portland

Wed 4/30

7:24 am-10:39 am

Nonstop6h 15m

Lihue

Wed 5/14

1:55 pm-10:23 pm

Nonstop5h 28m

$328

PortlandLihue

PDX - LIH

PDXLIH

Portland

Tue 4/15

5:10 am-12:50 pm

1 stop10h 40m

Lihue

Mon 4/21

9:00 am-10:20 pm

1 stop10h 20m

$329

PortlandLihue

PDX - LIH

PDXLIH

Portland

Tue 4/8

6:00 am-12:42 pm

1 stop9h 42m

Lihue

Thu 4/17

9:32 pm-10:38 am

1 stop10h 06m

$365

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 4/14

6:50 pm-6:11 pm

1 stop26h 21m

Lihue

Wed 4/23

7:42 pm-8:25 am

1 stop9h 43m

$366

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Sun 3/2

6:30 am-4:02 pm

1 stop11h 32m

Lihue

Thu 3/6

10:30 pm-10:53 am

1 stop10h 23m

$367

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 4/21

3:25 pm-6:44 pm

Nonstop6h 19m

Lihue

Mon 4/28

10:00 pm-12:33 pm

1 stop11h 33m

$368

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Wed 5/21

6:16 pm-9:33 pm

Nonstop6h 17m

Lihue

Thu 5/22

10:33 pm-7:10 am

Nonstop5h 37m

$379

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Fri 3/7

2:50 pm-10:44 pm

1 stop9h 54m

Lihue

Mon 3/10

1:33 pm-12:55 am

1 stop8h 22m

$476

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 38 results
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Best time to book a flight from Washington to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Washington to Kaua'i

Get recent, data-driven insights about flights from Washington to Kaua'i including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington to Kaua'i?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Kaua'i (average of $440). Flying from State of Washington to Kaua'i in June is currently the most expensive (average of $686). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to FUS?

Find hourly flight availability from Washington to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

When flying from State of Washington to Kaua'i, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from State of Washington to Kaua'i

Explore weekly flight availability from Washington to Kaua'i. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 22, 2025.

The most flights from USWA to zzFUS are scheduled on a Tuesday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

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 2.2 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. June is typically the driest time to visit Kaua'i when rainfall is around 2.2 in.

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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 February 22, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Washington to Kaua'i to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,401 reviews

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,401 reviews
Southwest
8.1
Very good
4,401 reviews

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,700 reviews
Southwest
8.1
Very good
4,401 reviews

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,212 reviews
Southwest
8.1
Very good
4,401 reviews

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,314 reviews
Southwest
8.1
Very good
4,401 reviews

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,759 reviews
Southwest
8.1
Very good
4,401 reviews

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Washington to Kaua'i. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this State of Washington to Kaua'i flight route?

    Within the past month, 4 users have taken a look at flights from Washington to Kaua'i.

  • What are the cheapest airlines to fly from State of Washington to Kaua'i one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $129. Alaska Airlines flights start at $159 while deals on American Airlines start at $189 one-way.

  • Can I find deals for flights from Washington to Kaua'i that include hotel bookings?

    Yes. In addition to deals on Washington to Kaua'i flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Kaua'i?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Kaua'i.

  • Can I find deals for business class flights from Washington to Kaua'i?

    Yes. Cheapflights offers flight deals from Washington to Kaua'i by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Kaua'i (average of $440). Flying from State of Washington to Kaua'i in June is currently the most expensive (average of $686). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 6 airlines flying from Washington to Kaua'i

Discover the top 6 airlines that operate flights from Washington to Kaua'i. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$209Average$465FlexibilityNo cancel feeOn-time69%
DeltaCheapest$231Average$550FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$247Average$483FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$249Average$566FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$275Average$797FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$294Average$678FlexibilityNo cancel feeOn-time75%
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