How long is the flight from Washington, D.C. to Kaua'i?

A quick flight from Washington, D.C. to Kaua'i can take about 15h 01m. Delta provides one of the quickest options available for as low as $431. There are 4878 mi between Washington, D.C. and Kaua'i. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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 $216. However, be on the lookout for offers from United Airlines and Alaska Airlines, as they are both options that can get you from Washington, D.C. to Kaua'i for a low price.

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.

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).

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, Washington, D.C. Reagan-National - Lihue and Baltimore/Washington - Lihue.

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

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

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.

$175+ Flights from Washington, D.C. to Kaua'i

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Cheap 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 December 10, 2025.

Thu 12/118:17 amIAD - LIH

1 stop13h 41mUnited Airlines

Thu 12/188:30 pmLIH - IAD

1 stop11h 46mUnited Airlines

Deal found 12/10

$643

Thu 12/116:03 amIAD - LIH

2 stops17h 30mDelta

Thu 12/1810:55 pmLIH - IAD

2 stops19h 34mDelta

Deal found 12/10

$654

Tue 12/236:20 amIAD - LIH

1 stop15h 44mUnited Airlines

Wed 12/318:30 pmLIH - IAD

1 stop11h 46mUnited Airlines

Deal found 12/8

$841

Fri 12/196:20 amIAD - LIH

2 stops16h 27mUnited Airlines

Fri 12/268:30 pmLIH - IAD

1 stop14h 04mUnited Airlines

Deal found 12/8

$848

Wed 12/246:20 amIAD - LIH

1 stop15h 44mUnited Airlines

Sun 12/2811:59 pmLIH - IAD

1 stop14h 19mUnited Airlines

Deal found 12/8

$855

Tue 12/2310:10 pmIAD - LIH

1 stop23h 54mUnited Airlines

Fri 12/269:35 pmLIH - IAD

1 stop13h 47mUnited Airlines

Deal found 12/8

$876

Mon 12/225:20 pmIAD - LIH

1 stop28h 44mUnited Airlines

Sun 12/2811:59 pmLIH - IAD

1 stop11h 31mUnited Airlines

Deal found 12/8

$885

Wed 12/248:15 amBWI - LIH

1 stop13h 49mUnited Airlines

Sun 12/289:35 pmLIH - BWI

2 stops14h 23mUnited Airlines

Deal found 12/9

$900

Tue 12/238:15 amBWI - LIH

1 stop13h 49mUnited Airlines

Wed 12/319:35 pmLIH - BWI

2 stops14h 23mUnited Airlines

Deal found 12/8

$910

Wed 12/246:42 amBWI - LIH

2 stops16h 57mAmerican Airlines

Sun 12/289:45 pmLIH - BWI

2 stops14h 17mAmerican Airlines

Deal found 12/9

$934

Fri 12/198:00 amBWI - LIH

1 stop14h 47mUnited Airlines

Fri 12/262:00 pmLIH - BWI

1 stop13h 17mUnited Airlines

Deal found 12/9

$948

Tue 12/238:15 amBWI - LIH

1 stop13h 49mUnited Airlines

Sat 12/2710:15 pmLIH - BWI

1 stop11h 44mUnited Airlines

Deal found 12/8

$983

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 December 10, 2025.

Tue 1/279:54 amDCA - LIH

2 stops15h 01mDelta

Mon 2/29:20 pmLIH - DCA

1 stop13h 00mDelta

Deal found 12/9

$431

Sun 2/15:26 pmIAD - LIH

1 stop25h 19mAlaska Airlines

Tue 2/1010:25 amLIH - IAD

1 stop25h 39mAlaska Airlines

Deal found 12/7

$444

Mon 2/95:26 pmIAD - LIH

1 stop24h 37mMultiple Airlines

Mon 2/167:45 pmLIH - IAD

2 stops16h 42mMultiple Airlines

Deal found 12/10

$450

Thu 2/56:00 amBWI - LIH

2 stops15h 37mAmerican Airlines

Thu 2/129:46 pmLIH - BWI

2 stops14h 18mAmerican Airlines

Deal found 12/10

$597

Tue 1/278:23 amBWI - LIH

1 stop13h 41mUnited Airlines

Mon 2/28:30 pmLIH - BWI

2 stops14h 36mUnited Airlines

Deal found 12/9

$631

Sun 2/18:59 amDCA - LIH

1 stop33h 46mAlaska Airlines

Tue 2/102:30 pmLIH - DCA

1 stop24h 30mAlaska Airlines

Deal found 12/8

$444

Thu 1/86:05 amDCA - LIH

2 stops17h 16mDelta

Tue 1/139:31 pmLIH - DCA

1 stop13h 02mDelta

Deal found 12/7

$450

Thu 2/58:59 amDCA - LIH

2 stops18h 24mMultiple Airlines

Thu 2/127:45 pmLIH - DCA

2 stops20h 17mMultiple Airlines

Deal found 12/10

$456

Thu 1/86:05 amDCA - LIH

2 stops17h 16mDelta

Mon 1/129:31 pmLIH - DCA

1 stop13h 02mDelta

Deal found 12/7

$450

Wed 1/75:26 pmIAD - LIH

2 stops26h 30mAlaska Airlines

Wed 1/1411:38 amLIH - IAD

2 stops24h 26mAlaska Airlines

Deal found 12/8

$456

Thu 1/86:05 amDCA - LIH

2 stops17h 16mDelta

Wed 1/1410:45 pmLIH - DCA

1 stop11h 35mDelta

Deal found 12/7

$450

Mon 3/25:00 pmDCA - LIH

1 stop34h 18mAlaska Airlines

Wed 3/49:00 pmLIH - DCA

2 stops15h 59mAlaska Airlines

Deal found 12/8

$470

Thu 1/86:05 amDCA - LIH

2 stops17h 16mDelta

Thu 1/159:31 pmLIH - DCA

2 stops16h 11mDelta

Deal found 12/7

$456

Tue 1/68:20 amBWI - LIH

1 stop13h 44mUnited Airlines

Tue 1/138:30 pmLIH - BWI

1 stop13h 34mUnited Airlines

Deal found 12/7

$651

Tue 5/127:00 amBWI - LIH

2 stops18h 00mMultiple Airlines

Tue 5/1912:46 pmLIH - BWI

1 stop11h 43mMultiple Airlines

Deal found 12/10

$608

Thu 1/86:00 amIAD - LIH

2 stops17h 21mDelta

Sun 1/1110:45 pmLIH - IAD

2 stops15h 24mDelta

Deal found 12/7

$486

Thu 2/58:23 amBWI - LIH

1 stop13h 41mUnited Airlines

Thu 2/122:25 pmLIH - BWI

1 stop12h 02mUnited Airlines

Deal found 12/10

$656

Mon 4/275:37 pmIAD - LIH

1 stop26h 45mAlaska Airlines

Tue 5/511:00 amLIH - IAD

1 stop24h 23mAlaska Airlines

Deal found 12/10

$555

Sat 1/108:23 amBWI - LIH

1 stop13h 41mUnited Airlines

Fri 1/162:10 pmLIH - BWI

2 stops16h 10mUnited Airlines

Deal found 12/9

$661

Thu 1/87:30 amIAD - LIH

1 stop17h 25mDelta

Wed 1/1410:45 pmLIH - IAD

1 stop19h 25mDelta

Deal found 12/7

$506

Mon 4/277:00 amBWI - LIH

2 stops17h 21mAlaska Airlines

Tue 5/510:25 pmLIH - BWI

1 stop13h 37mAlaska Airlines

Deal found 12/9

$608

Mon 2/27:22 amBWI - LIH

2 stops17h 32mDelta

Mon 2/99:20 pmLIH - BWI

2 stops14h 18mDelta

Deal found 12/9

$519

Wed 1/77:30 amIAD - LIH

1 stop17h 25mDelta

Fri 1/1610:45 pmLIH - IAD

1 stop19h 25mDelta

Deal found 12/7

$537

Wed 1/77:30 amIAD - LIH

1 stop17h 25mDelta

Sun 1/1110:45 pmLIH - IAD

1 stop19h 25mDelta

Deal found 12/7

$537

Mon 1/56:05 amBWI - LIH

2 stops17h 16mDelta

Mon 1/1210:45 pmLIH - BWI

2 stops16h 43mDelta

Deal found 12/9

$619

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 December 10, 2025 and is based on user searches.

Tue 1/66:20 amIAD - LIH

1 stop15h 44mUnited Airlines

Tue 1/138:30 pmLIH - IAD

2 stops14h 30mUnited Airlines

Deal found 12/7

$491

Wed 1/77:30 amIAD - LIH

1 stop17h 25mDelta

Wed 1/149:31 pmLIH - IAD

2 stops20h 39mDelta

Deal found 12/8

$411

Wed 1/78:15 amIAD - LIH

1 stop13h 49mUnited Airlines

Wed 1/148:30 pmLIH - IAD

1 stop11h 47mUnited Airlines

Deal found 12/8

$445

Wed 1/77:30 amIAD - LIH

1 stop17h 25mDelta

Fri 1/169:31 pmLIH - IAD

2 stops14h 15mDelta

Deal found 12/7

$480

Thu 1/86:05 amDCA - LIH

2 stops17h 16mDelta

Tue 1/139:31 pmLIH - DCA

1 stop13h 02mDelta

Deal found 12/7

$450

Thu 1/86:00 amIAD - LIH

2 stops17h 21mDelta

Tue 1/139:31 pmLIH - IAD

2 stops14h 46mDelta

Deal found 12/7

$456

Thu 1/86:05 amDCA - LIH

2 stops17h 16mDelta

Wed 1/149:31 pmLIH - DCA

2 stops15h 58mDelta

Deal found 12/7

$456

Fri 1/96:59 amDCA - LIH

2 stops16h 22mDelta

Tue 1/1310:45 pmLIH - DCA

1 stop11h 35mDelta

Deal found 12/7

$480

Fri 1/96:00 amIAD - LIH

2 stops17h 21mDelta

Wed 1/149:31 pmLIH - IAD

2 stops14h 15mDelta

Deal found 12/7

$486

Sun 1/116:05 amBWI - LIH

2 stops18h 50mDelta

Tue 1/209:31 pmLIH - BWI

2 stops14h 07mDelta

Deal found 12/10

$488

Tue 1/279:54 amDCA - LIH

2 stops15h 01mDelta

Mon 2/29:20 pmLIH - DCA

1 stop13h 00mDelta

Deal found 12/9

$431

Tue 1/277:00 amBWI - LIH

2 stops17h 55mDelta

Mon 2/29:20 pmLIH - BWI

2 stops14h 18mDelta

Deal found 12/9

$456

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 December 10, 2025.

Tue 2/242:00 pmDCA - LIH

3 stops28h 49mMultiple Airlines

Deal found 12/9

$175

Wed 1/78:59 amDCA - LIH

3 stops33h 50mMultiple Airlines

Deal found 12/7

$191

Tue 2/247:05 amBWI - LIH

2 stops17h 50mDelta

Deal found 12/9

$217

Wed 1/77:30 amIAD - LIH

1 stop17h 25mDelta

Deal found 12/7

$223

Tue 2/248:30 amDCA - LIH

1 stop14h 02mAmerican Airlines

Deal found 12/9

$223

Tue 2/246:00 amIAD - LIH

2 stops17h 31mDelta

Deal found 12/9

$228

Tue 1/66:57 pmDCA - LIH

2 stops23h 52mAlaska Airlines

Deal found 12/7

$228

Tue 1/136:00 amIAD - LIH

3 stops37h 56mMultiple Airlines

Deal found 12/9

$233

Fri 1/95:41 pmIAD - LIH

3 stops49h 08mMultiple Airlines

Deal found 12/7

$242

Sun 1/117:30 amIAD - LIH

1 stop17h 25mDelta

Deal found 12/9

$243

Wed 1/72:05 pmBWI - LIH

3 stops30h 07mMultiple Airlines

Deal found 12/7

$244

Wed 1/146:00 amIAD - LIH

2 stops36h 15mMultiple Airlines

Deal found 12/9

$249

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

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$411 (Delta)
One-way from	$175 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$1,188

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.

Search Deals

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. 5% potential increase in price ($43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Tue 1/27

9:54 am-7:55 pm

2 stops15h 01m

Lihue

Mon 2/2

9:20 pm-3:20 pm

1 stop13h 00m

$431

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sun 2/1

5:26 pm-1:45 pm

1 stop25h 19m

Lihue

Tue 2/10

10:25 am-5:04 pm

1 stop25h 39m

$444

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Sun 2/1

8:59 am-1:45 pm

1 stop33h 46m

Lihue

Tue 2/10

2:30 pm-8:00 pm

1 stop24h 30m

$444

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 2/9

5:26 pm-1:03 pm

1 stop24h 37m

Lihue

Mon 2/16

7:45 pm-5:27 pm

2 stops16h 42m

$450

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Thu 1/8

6:05 am-6:21 pm

2 stops17h 16m

Lihue

Tue 1/13

9:31 pm-3:33 pm

1 stop13h 02m

$450

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Thu 1/8

6:05 am-6:21 pm

2 stops17h 16m

Lihue

Mon 1/12

9:31 pm-3:33 pm

1 stop13h 02m

$450

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Thu 1/8

6:05 am-6:21 pm

2 stops17h 16m

Lihue

Wed 1/14

10:45 pm-3:20 pm

1 stop11h 35m

$450

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Thu 2/5

8:59 am-10:23 pm

2 stops18h 24m

Lihue

Thu 2/12

7:45 pm-9:02 pm

2 stops20h 17m

$456

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Wed 1/7

5:26 pm-2:56 pm

2 stops26h 30m

Lihue

Wed 1/14

11:38 am-5:04 pm

2 stops24h 26m

$456

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Thu 1/8

6:05 am-6:21 pm

2 stops17h 16m

Lihue

Thu 1/15

9:31 pm-6:42 pm

2 stops16h 11m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 55 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Kaua'i

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Kaua'i (average of $247). Flying from Washington, D.C. to Kaua'i in March is currently the most expensive (average of $691). 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?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Kaua'i in the morning. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Kaua'i

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Washington, D.C. to Kaua'i. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,423 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Alaska Airlines

8.0

Very good

11,423 reviews

Alaska Airlines

8.0

Very good

11,423 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Southwest

7.9

Good

4,253 reviews

Alaska Airlines

8.0

Very good

11,423 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Delta

7.9

Good

8,007 reviews

Alaska Airlines

8.0

Very good

11,423 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

United Airlines

7.4

Good

9,092 reviews

Alaska Airlines

8.0

Very good

11,423 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

American Airlines

7.2

Good

11,048 reviews

Alaska Airlines

8.0

Very good

11,423 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Related info for your journey

How long is the flight from Washington, D.C. to Kaua'i?
A quick flight from Washington, D.C. to Kaua'i can take about 15h 01m. Delta provides one of the quickest options available for as low as $431. There are 4878 mi between Washington, D.C. and Kaua'i. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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 $216. However, be on the lookout for offers from United 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, Washington, D.C. Reagan-National - Lihue and Baltimore/Washington - 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Kaua'i (average of $247). Flying from Washington, D.C. to Kaua'i in March is currently the most expensive (average of $691). 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

Dulles Intl to Honolulu flights

Reagan-National to Honolulu flights

Dulles Intl to Kahului flights

Dulles Intl to Kailua-Kona flights

Reagan-National to Kahului flights

Reagan-National to Kailua-Kona flights

Dulles Intl to Lihue flights

Reagan-National to Lihue flights

Dulles Intl to Hilo flights

Reagan-National to Hilo flights

Dulles Intl to Kapalua flights

Dulles Intl to Waimea (Big Island) flights

Dulles Intl to Hana flights

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

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$406	Average$669	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$499	Average$890	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$504	Average$710	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$515	Average$723	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$671	Average$813	FlexibilityNo cancel fee	On-time63%

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$175+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Kaua'i with Cheapflights

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Cheap 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 December 10, 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 December 10, 2025.

Find 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 December 10, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

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Everything you need to know about your flight from Washington, D.C. to Kaua'i

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 December 10, 2025.

Reviews of airlines servicing Kaua'i

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Washington, D.C. to Kaua'i. You can also see how each airline compares in terms of 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.

How long is the flight from Washington, D.C. to Kaua'i?

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?

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

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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 December 10, 2025.