What are the cheapest airlines to fly from Washington, D.C. to Kaua'i one-way?

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $258. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from Washington, D.C. to Kaua'i for a low price.

What are the most popular routes from Washington, D.C. to Kaua'i?

The most popular flight routes from Washington, D.C. to Kaua'i are Washington, D.C. Dulles Intl - Lihue, Baltimore/Washington - Lihue and Washington, D.C. Reagan-National - Lihue.

What are the most popular airlines that fly from Washington, D.C. to Kaua'i?

Alaska Airlines, Delta and United Airlines are the most popular airlines when flying from Washington, D.C. to Kaua'i.

How far in advance should I book a flight from Washington, D.C. to Kaua'i?

Find a great deal and save up to 52% by booking at least 48 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. to Kaua'i within the next two weeks, with the cheapest ticket starting at $730.

What is the cheapest month to fly from Washington, D.C. to Kaua'i?

September is one of the best times of the year to fly to Kaua'i from Washington, D.C.. Prices for September average $799 per person but you can even find prices for as low as $446. The most expensive prices can be found in the month of June. Opting for a September flight can save you 32% on your journey compared to booking in June

Can I find deals for flights from Washington, D.C. to Kaua'i that include hotel bookings?

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

How can I find direct flights from Washington, D.C. 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, D.C. to Kaua'i.

Can I find deals for business class flights from Washington, D.C. to Kaua'i?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$258+ Save on Flights from Washington, D.C. to Kaua'i

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Cheap flight deals from Washington, D.C. to Kaua'i

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$526 (American Airlines)
One-way from	$258 (Delta)
Popular in	June
Cheapest in	September
Average price	$728

Provider with most accurate pricing for Washington, D.C. (WAS)-Lihue flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lihue flights.

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From Washington, D.C. (WAS) to Kaua'i

Search Deals

One-way flight from Washington, D.C. (WAS) to Kaua'i

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($125 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in February 2025

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Find flight deals from Washington, D.C. to Kaua'i

Cheapest flights from Washington, D.C. to Kaua'i
Explore the most affordable flight options available from Washington, D.C. to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Tue 4/85:00 amBWI - LIH

2 stops15h 58mAmerican Airlines

Wed 4/169:32 pmLIH - BWI

2 stops14h 44mAmerican Airlines

Deal found 2/20

$526

Wed 4/95:38 pmDCA - LIH

2 stops24h 02mAlaska Airlines

Mon 4/145:15 pmLIH - DCA

2 stops21h 44mAlaska Airlines

Deal found 2/19

$560

Tue 4/85:00 amIAD - LIH

2 stops15h 58mAmerican Airlines

Wed 4/169:32 pmLIH - IAD

2 stops12h 52mAmerican Airlines

Deal found 2/20

$565

Tue 4/85:00 amDCA - LIH

2 stops15h 58mAmerican Airlines

Wed 4/162:12 pmLIH - DCA

2 stops14h 42mAmerican Airlines

Deal found 2/20

$565

Mon 4/146:05 amBWI - LIH

2 stops18h 05mSouthwest

Mon 4/289:00 amLIH - BWI

1 stop14h 30mSouthwest

Deal found 2/20

$570

Wed 4/236:00 amDCA - LIH

2 stops17h 13mDelta

Wed 4/308:15 pmLIH - DCA

1 stop13h 16mDelta

Deal found 2/19

$574

Mon 4/215:30 pmIAD - LIH

1 stop26h 50mAlaska Airlines

Wed 4/303:20 pmLIH - IAD

1 stop20h 39mAlaska Airlines

Deal found 2/20

$579

Fri 2/2110:03 amIAD - LIH

2 stops15h 06mDelta

Wed 2/2610:51 pmLIH - IAD

1 stop11h 37mDelta

Deal found 2/20

$629

Tue 10/217:30 amBWI - LIH

2 stops33h 33mAlaska Airlines

Tue 10/2810:10 pmLIH - BWI

1 stop13h 45mAlaska Airlines

Deal found 2/19

$692

Fri 3/78:35 amIAD - LIH

2 stops19h 09mUnited Airlines

Tue 3/117:40 pmLIH - IAD

2 stops14h 16mUnited Airlines

Deal found 2/20

$696

Fri 3/78:30 amDCA - LIH

2 stops19h 14mUnited Airlines

Tue 3/117:40 pmLIH - DCA

2 stops16h 14mUnited Airlines

Deal found 2/20

$696

Fri 3/710:51 amBWI - LIH

2 stops16h 53mUnited Airlines

Tue 3/111:33 pmLIH - BWI

1 stop11h 20mUnited Airlines

Deal found 2/20

$768

Best flights from Washington, D.C. to Kaua'i
Discover carefully curated flight deals from Washington, D.C. to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2025.

Tue 4/85:00 amBWI - LIH

2 stops15h 58mAmerican Airlines

Wed 4/169:32 pmLIH - BWI

2 stops14h 44mAmerican Airlines

Deal found 2/20

$526

Wed 4/237:05 pmBWI - LIH

1 stop32h 27mAlaska Airlines

Wed 4/3010:32 pmLIH - BWI

1 stop25h 14mAlaska Airlines

Deal found 2/19

$534

Fri 3/287:00 amBWI - LIH

2 stops16h 55mSouthwest

Tue 4/810:00 amLIH - BWI

2 stops13h 00mSouthwest

Deal found 2/18

$556

Wed 4/236:00 amDCA - LIH

2 stops17h 13mDelta

Wed 4/308:15 pmLIH - DCA

1 stop13h 16mDelta

Deal found 2/19

$574

Fri 3/78:35 amIAD - LIH

2 stops19h 09mUnited Airlines

Tue 3/117:40 pmLIH - IAD

2 stops14h 16mUnited Airlines

Deal found 2/20

$696

Wed 4/95:38 pmDCA - LIH

2 stops24h 02mAlaska Airlines

Mon 4/145:15 pmLIH - DCA

2 stops21h 44mAlaska Airlines

Deal found 2/19

$560

Tue 4/85:00 amIAD - LIH

2 stops15h 58mAmerican Airlines

Wed 4/169:32 pmLIH - IAD

2 stops12h 52mAmerican Airlines

Deal found 2/20

$565

Wed 4/165:30 pmIAD - LIH

1 stop26h 04mAlaska Airlines

Wed 4/307:42 pmLIH - IAD

2 stops14h 56mAlaska Airlines

Deal found 2/19

$564

Tue 4/85:00 amDCA - LIH

2 stops15h 58mAmerican Airlines

Wed 4/162:12 pmLIH - DCA

2 stops14h 42mAmerican Airlines

Deal found 2/20

$565

Thu 4/247:25 amIAD - LIH

1 stop17h 19mDelta

Sat 5/310:32 amLIH - IAD

2 stops13h 49mDelta

Deal found 2/19

$694

Fri 3/78:30 amDCA - LIH

2 stops19h 14mUnited Airlines

Tue 3/117:40 pmLIH - DCA

2 stops16h 14mUnited Airlines

Deal found 2/20

$696

Sat 4/127:56 pmIAD - LIH

2 stops21h 37mMultiple Airlines

Fri 4/1810:45 amLIH - IAD

1 stop12h 55mMultiple Airlines

Deal found 2/20

$1,474

Last-minute flights from Washington, D.C. to Kaua'i
Discover last-minute flight deals from Washington, D.C. to Kaua'i. Data last updated February 20, 2025 and is based on user searches.

Fri 2/2110:03 amIAD - LIH

2 stops15h 06mDelta

Wed 2/2610:51 pmLIH - IAD

1 stop11h 37mDelta

Deal found 2/20

$629

Fri 2/216:13 amBWI - LIH

2 stops15h 49mAmerican Airlines

Wed 2/2611:15 pmLIH - BWI

2 stops13h 26mAmerican Airlines

Deal found 2/19

$814

Mon 2/249:00 amDCA - LIH

1 stop32h 30mAlaska Airlines

Wed 2/262:50 pmLIH - DCA

1 stop25h 09mAlaska Airlines

Deal found 2/20

$592

Mon 2/246:12 amIAD - LIH

2 stops15h 50mAmerican Airlines

Wed 2/2610:15 pmLIH - IAD

2 stops12h 57mAmerican Airlines

Deal found 2/20

$604

Mon 2/246:35 amDCA - LIH

2 stops15h 27mAmerican Airlines

Wed 2/2611:15 pmLIH - DCA

2 stops14h 42mAmerican Airlines

Deal found 2/20

$604

Sun 3/26:48 pmIAD - LIH

2 stops25h 48mAlaska Airlines

Fri 3/212:34 pmLIH - IAD

1 stop20h 24mAlaska Airlines

Deal found 2/20

$703

Sun 3/29:00 amDCA - LIH

1 stop32h 30mAlaska Airlines

Fri 3/212:34 pmLIH - DCA

1 stop25h 21mAlaska Airlines

Deal found 2/20

$709

Sun 3/28:10 pmIAD - LIH

1 stop25h 54mUnited Airlines

Fri 3/216:00 amLIH - IAD

1 stop19h 17mUnited Airlines

Deal found 2/20

$989

Sun 3/26:00 amBWI - LIH

2 stops17h 22mDelta

Fri 3/211:45 pmLIH - BWI

2 stops15h 58mDelta

Deal found 2/20

$1,194

Sun 3/25:09 amDCA - LIH

2 stops16h 53mAmerican Airlines

Fri 3/219:45 pmLIH - DCA

2 stops14h 14mAmerican Airlines

Deal found 2/19

$1,208

Sun 3/28:03 amBWI - LIH

1 stop14h 01mUnited Airlines

Fri 3/211:33 pmLIH - BWI

1 stop11h 34mUnited Airlines

Deal found 2/19

$1,268

Sun 3/211:47 amBWI - LIH

2 stops15h 39mAlaska Airlines

Fri 3/2110:30 pmLIH - BWI

1 stop13h 33mAlaska Airlines

Deal found 2/20

$2,159

One-way flights from Washington, D.C. to Kaua'i
Search for one-way flight options from Washington, D.C. to Kaua'i. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.

Mon 3/107:43 amIAD - LIH

1 stop17h 07mDelta

Deal found 2/20

$258

Tue 4/297:00 amDCA - LIH

1 stop13h 58mAmerican Airlines

Deal found 2/19

$258

Mon 3/105:18 pmIAD - LIH

2 stops31h 03mAlaska Airlines

Deal found 2/20

$263

Tue 4/295:00 amBWI - LIH

2 stops15h 58mAmerican Airlines

Deal found 2/19

$263

Tue 4/297:06 amBWI - LIH

1 stop20h 26mAlaska Airlines

Deal found 2/19

$278

Wed 5/148:00 amDCA - LIH

2 stops19h 32mAlaska Airlines

Deal found 2/19

$289

Wed 4/306:00 amDCA - LIH

2 stops17h 13mDelta

Deal found 2/19

$317

Sat 4/267:42 pmBWI - LIH

2 stops27h 31mDelta

Deal found 2/19

$341

Sat 4/267:25 amDCA - LIH

2 stops18h 32mUnited Airlines

Deal found 2/19

$363

Thu 5/16:30 amBWI - LIH

2 stops15h 16mUnited Airlines

Deal found 2/19

$411

Sun 4/276:20 amIAD - LIH

2 stops19h 37mUnited Airlines

Deal found 2/19

$413

Find flights from Washington, D.C. to Kaua'i within your budget

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreLihue

BWI - LIH

BWILIH

Baltimore/Washington

Tue 4/8

5:00 am-2:58 pm

2 stops15h 58m

Lihue

Wed 4/16

9:32 pm-6:16 pm

2 stops14h 44m

$526

BaltimoreLihue

BWI - LIH

BWILIH

Baltimore/Washington

Wed 4/23

7:05 pm-9:32 pm

1 stop32h 27m

Lihue

Wed 4/30

10:32 pm-5:46 am

1 stop25h 14m

$534

BaltimoreLihue

BWI - LIH

BWILIH

Baltimore/Washington

Fri 3/28

7:00 am-5:55 pm

2 stops16h 55m

Lihue

Tue 4/8

10:00 am-5:00 am

2 stops13h 00m

$556

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Wed 4/9

5:38 pm-11:40 am

2 stops24h 02m

Lihue

Mon 4/14

5:15 pm-8:59 pm

2 stops21h 44m

$560

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Tue 4/8

5:00 am-2:58 pm

2 stops15h 58m

Lihue

Wed 4/16

9:32 pm-4:24 pm

2 stops12h 52m

$565

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Tue 4/8

5:00 am-2:58 pm

2 stops15h 58m

Lihue

Wed 4/16

2:12 pm-10:54 am

2 stops14h 42m

$565

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Wed 4/23

6:00 am-5:13 pm

2 stops17h 13m

Lihue

Wed 4/30

8:15 pm-3:31 pm

1 stop13h 16m

$574

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 4/21

5:30 pm-2:20 pm

1 stop26h 50m

Lihue

Wed 4/30

3:20 pm-5:59 pm

1 stop20h 39m

$579

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Thu 4/24

7:25 am-6:44 pm

1 stop17h 19m

Lihue

Sat 5/3

10:32 am-6:21 am

2 stops13h 49m

$694

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Fri 3/7

8:35 am-10:44 pm

2 stops19h 09m

Lihue

Tue 3/11

7:40 pm-3:56 pm

2 stops14h 16m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 27 results

Best time to book a flight from Washington, D.C. to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Washington, D.C. 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, D.C. to Kaua'i

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

What is the cheapest month to book a flight from Washington, D.C. to Kaua'i?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Kaua'i (average of $440). Flying from Washington, D.C. 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 WAS to FUS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Kaua'i as you normally would.

Rainfall in Kaua'i 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

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

Read through reviews of airlines operating flights from Washington, D.C. to Kaua'i, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,411 reviews

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

4,411 reviews

Southwest

8.1

Very good

4,411 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

Alaska Airlines

8.0

Very good

9,697 reviews

Southwest

8.1

Very good

4,411 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

Delta

8.0

Very good

8,219 reviews

Southwest

8.1

Very good

4,411 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

United Airlines

7.4

Good

8,765 reviews

Southwest

8.1

Very good

4,411 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

American Airlines

7.2

Good

10,000 reviews

Southwest

8.1

Very good

4,411 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2025

MCO - STL

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to Kaua'i one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $258. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from Washington, D.C. to Kaua'i for a low price.
What are the most popular routes from Washington, D.C. to Kaua'i?
The most popular flight routes from Washington, D.C. to Kaua'i are Washington, D.C. Dulles Intl - Lihue, Baltimore/Washington - Lihue and Washington, D.C. Reagan-National - Lihue.
Can I find deals for flights from Washington, D.C. to Kaua'i that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Kaua'i flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. 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, D.C. to Kaua'i.
Can I find deals for business class flights from Washington, D.C. to Kaua'i?
Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Kaua'i?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Kaua'i (average of $440). Flying from Washington, D.C. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Kaua'i

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Reagan-National to Honolulu flights

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Dulles Intl to Hana flights

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Reagan-National to Hilo flights

Dulles Intl to Waimea (Kamuela) flights

Top 5 airlines flying from Washington, D.C. to Kaua'i

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$406	Average$725	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$437	Average$912	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$484	Average$799	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$569	Average$907	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$597	Average$961	FlexibilityNo cancel fee	On-time63%

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$258+ Cheap flights from Washington, D.C. (WAS) 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington, D.C. to Kaua'i

Keep the following information in mind while searching for Washington, D.C. to Kaua'i flight deals. Data was last updated February 20, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Kaua'i

Cheapest flights from Washington, D.C. to Kaua'iExplore the most affordable flight options available from Washington, D.C. to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Explore the most affordable flight options available from Washington, D.C. to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Find flights from Washington, D.C. to Kaua'i within your budget

Best time to book a flight from Washington, D.C. to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Washington, D.C. with our price prediction graph.

Travel insights for flights from Washington, D.C. to Kaua'i

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

What is the cheapest month to book a flight from Washington, D.C. to Kaua'i?

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

Find hourly flight availability from Washington, D.C. 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 20, 2025.

Rainfall in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average rainfall totals by month.

Temperature in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average temperature totals by month.

Reviews of airlines servicing Kaua'i

Read through reviews of airlines operating flights from Washington, D.C. to Kaua'i, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines to fly from Washington, D.C. to Kaua'i one-way?

What are the most popular routes from Washington, D.C. to Kaua'i?

Can I find deals for flights from Washington, D.C. to Kaua'i that include hotel bookings?

How can I find direct flights from Washington, D.C. to Kaua'i?

Can I find deals for business class flights from Washington, D.C. to Kaua'i?

What is the cheapest month to book a flight from Washington, D.C. to Kaua'i?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Washington, D.C. to Kaua'i

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Cheapest flights from Washington, D.C. to Kaua'i
Explore the most affordable flight options available from Washington, D.C. to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.