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Kaua'i

$149+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LIH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$302
(Delta)

One-way from

$149
(Delta)

Popular in

February

Cheapest in

January

Average price

$617

Good round-trip deal

$475 or less

Good one-way deal

$299 or less
From Washington to Kaua'i
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One-way flight from Washington to Kaua'i
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 10/277:10 amPDX - LIH
2 stops13h 13mDelta
Thu 10/309:45 pmLIH - PDX
1 stop12h 34mDelta
Deal found 6/10$302
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 9/155:20 amPDX - LIH
1 stop12h 07mAmerican Airlines
Mon 9/229:45 pmLIH - PDX
1 stop12h 31mAmerican Airlines
Deal found 6/12$330
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/103:23 pmSEA - LIH
1 stop23h 51mAmerican Airlines
Wed 9/179:45 pmLIH - SEA
1 stop9h 41mAmerican Airlines
Deal found 6/11$356
This lastminute.com deal was found by Cheapflights users on 6/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:55 pmSEA - LIH
1 stop8h 20mHawaiian Airlines
Mon 11/107:59 pmLIH - SEA
1 stop8h 01mHawaiian Airlines
Deal found 6/11$360
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 8/610:10 amSEA - LIH
1 stop8h 50mSouthwest
Wed 8/2710:00 amLIH - SEA
1 stop8h 15mSouthwest
Deal found 6/11$367
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 10/2210:03 amSEA - LIH
1 stop10h 27mAlaska Airlines
Wed 10/2210:31 pmLIH - SEA
Nonstop5h 44mAlaska Airlines
Deal found 6/11$377
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 10/227:00 amPDX - LIH
1 stop8h 12mAlaska Airlines
Mon 10/273:06 pmLIH - PDX
1 stop15h 43mAlaska Airlines
Deal found 6/10$378
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 9/155:00 amPSC - LIH
1 stop12h 27mAmerican Airlines
Mon 9/229:45 pmLIH - PSC
1 stop12h 58mAmerican Airlines
Deal found 6/11$392
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 10/201:00 pmSEA - LIH
1 stop9h 55mUnited Airlines
Tue 10/281:30 pmLIH - SEA
1 stop8h 29mUnited Airlines
Deal found 6/10$397
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 10/215:30 amPDX - LIH
1 stop8h 51mUnited Airlines
Tue 10/281:30 pmLIH - PDX
1 stop8h 15mUnited Airlines
Deal found 6/10$397
This Southwest deal was found by Cheapflights users on 6/10. 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.
Wed 9/1010:40 amPDX - LIH
2 stops13h 40mSouthwest
Wed 9/1710:00 amLIH - PDX
1 stop9h 10mSouthwest
Deal found 6/10$400
This Delta deal was found by Cheapflights users on 6/9. 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 9/101:00 pmPSC - LIH
1 stop9h 03mDelta
Wed 9/179:45 pmLIH - PSC
1 stop10h 02mDelta
Deal found 6/9$401

Cheapflights Fare Finder

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 June 12, 2025.
Use the filters below to find and compare flights from Washington to Kaua'i that are best for you.

Fly from

Washington

Fly to

Kaua'i

Route

Depart

Return

Price

PortlandLihue

PDX - LIH

PDXLIH

Portland

Wed 9/3

5:30 am-5:18 pm

2 stops14h 48m

Lihue

Thu 9/11

9:45 pm-8:38 am

1 stop7h 53m

$302

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Wed 9/10

3:23 pm-12:14 pm

1 stop23h 51m

Lihue

Wed 9/17

9:45 pm-10:26 am

1 stop9h 41m

$356

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Thu 11/6

3:55 pm-10:15 pm

1 stop8h 20m

Lihue

Mon 11/10

7:59 pm-6:00 am

1 stop8h 01m

$360

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Wed 8/6

10:10 am-4:00 pm

1 stop8h 50m

Lihue

Wed 8/27

10:00 am-9:15 pm

1 stop8h 15m

$367

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Wed 10/22

6:15 pm-9:31 pm

Nonstop6h 16m

Lihue

Thu 10/23

6:45 am-7:30 pm

1 stop9h 45m

$377

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Mon 10/20

1:00 pm-7:55 pm

1 stop9h 55m

Lihue

Thu 10/30

1:30 pm-12:59 am

1 stop8h 29m

$397

PortlandLihue

PDX - LIH

PDXLIH

Portland

Wed 9/10

10:40 am-9:20 pm

2 stops13h 40m

Lihue

Wed 9/17

10:00 am-10:10 pm

1 stop9h 10m

$400

PascoLihue

PSC - LIH

PSCLIH

Pasco Tri Cities

Wed 9/10

1:00 pm-7:03 pm

1 stop9h 03m

Lihue

Wed 9/17

9:45 pm-10:47 am

1 stop10h 02m

$401

SeattleLihue

SEA - LIH

SEALIH

Seattle/Tacoma Intl

Wed 8/20

3:54 pm-7:03 pm

Nonstop6h 09m

Lihue

Sun 8/24

9:40 pm-6:29 am

Nonstop5h 49m

$408

PascoLihue

PSC - LIH

PSCLIH

Pasco Tri Cities

Wed 9/10

6:00 am-3:50 pm

2 stops12h 50m

Lihue

Wed 9/17

6:00 am-9:15 pm

2 stops12h 15m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 44 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.

Cheapflights Insights

Everything you need to know about your flight from Washington to Kaua'i

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 $689). 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 June 12, 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 June 12, 2025.

The most flights from USWA to zzFUS are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Delta, which is currently one of the cheapest options available, starting at $149. American Airlines flights start at $166 while deals on United Airlines start at $179 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 $689). 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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Alternative routes for Washington to Kaua'i

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$209Average$465FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$249Average$604FlexibilityNo cancel feeOn-time63%
DeltaCheapest$269Average$531FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$275Average$512FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$285Average$589FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$325Average$683FlexibilityNo cancel feeOn-time75%

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