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 $268. 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, 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?

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 43% by booking at least 15 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 $770 per person but you can even find prices for as low as $446. The most expensive prices can be found in the month of March. Opting for a September flight can save you 34% on your journey compared to booking in March

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.

$268+ 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	eDreams 3 stars
Round-trip from	$585 (Alaska Airlines)
One-way from	$268 (Delta)
Popular in	March
Cheapest in	September
Average price	$757

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

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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. 8% potential increase in price ($71 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 abril 30, 2025.

dom. 8/176:00 amBWI - LIH

2 stops17h 11mDelta

dom. 8/249:26 pmLIH - BWI

2 stops13h 43mDelta

Deal found 4/27

$528

vie. 8/225:00 amDCA - LIH

2 stops14h 56mAmerican Airlines

mar. 9/29:16 pmLIH - DCA

2 stops15h 11mAmerican Airlines

Deal found 4/28

$576

jue. 8/78:10 amIAD - LIH

1 stop31h 37mAlaska Airlines

dom. 8/172:15 pmLIH - IAD

2 stops20h 10mAlaska Airlines

Deal found 4/29

$584

mar. 5/275:00 pmDCA - LIH

1 stop24h 46mAlaska Airlines

vie. 6/63:43 pmLIH - DCA

2 stops23h 22mAlaska Airlines

Deal found 4/28

$585

mié. 8/277:00 amBWI - LIH

1 stop20h 30mAlaska Airlines

mié. 9/1710:30 pmLIH - BWI

1 stop13h 52mAlaska Airlines

Deal found 4/28

$597

mié. 8/276:00 amBWI - LIH

2 stops13h 56mAmerican Airlines

mié. 9/171:41 pmLIH - BWI

2 stops14h 37mAmerican Airlines

Deal found 4/28

$598

mié. 8/137:30 amDCA - LIH

2 stops15h 41mDelta

jue. 8/219:45 pmLIH - DCA

1 stop11h 44mDelta

Deal found 4/27

$599

mié. 5/148:20 amIAD - LIH

1 stop13h 26mUnited Airlines

dom. 5/1812:48 pmLIH - IAD

1 stop12h 18mUnited Airlines

Deal found 4/29

$643

mié. 5/75:02 amIAD - LIH

2 stops15h 53mAmerican Airlines

sáb. 5/172:02 pmLIH - IAD

2 stops20h 15mAmerican Airlines

Deal found 4/29

$664

mié. 7/912:00 pmDCA - LIH

2 stops14h 25mUnited Airlines

mar. 7/1510:15 pmLIH - DCA

2 stops14h 30mUnited Airlines

Deal found 4/28

$674

dom. 8/178:10 amBWI - LIH

1 stop13h 25mUnited Airlines

mié. 8/201:13 pmLIH - BWI

1 stop12h 53mUnited Airlines

Deal found 4/27

$677

mié. 7/307:40 amIAD - LIH

1 stop17h 28mDelta

mar. 8/58:35 pmLIH - IAD

2 stops15h 49mDelta

Deal found 4/29

$683

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 abril 30, 2025.

mar. 5/275:00 pmDCA - LIH

1 stop24h 46mAlaska Airlines

vie. 6/63:43 pmLIH - DCA

2 stops23h 22mAlaska Airlines

Deal found 4/28

$585

mié. 5/148:20 amIAD - LIH

1 stop13h 26mUnited Airlines

dom. 5/187:40 pmLIH - IAD

1 stop13h 56mUnited Airlines

Deal found 4/29

$643

mié. 5/75:02 amIAD - LIH

2 stops15h 53mAmerican Airlines

sáb. 5/172:02 pmLIH - IAD

2 stops20h 15mAmerican Airlines

Deal found 4/29

$664

mié. 5/77:59 amDCA - LIH

2 stops17h 01mDelta

sáb. 5/178:25 pmLIH - DCA

1 stop13h 40mDelta

Deal found 4/28

$684

lun. 5/126:15 amBWI - LIH

1 stop12h 35mSouthwest

dom. 5/188:15 amLIH - BWI

2 stops15h 45mSouthwest

Deal found 4/28

$768

sáb. 5/317:00 amIAD - LIH

1 stop20h 33mAlaska Airlines

lun. 6/912:46 pmLIH - IAD

1 stop12h 50mAlaska Airlines

Deal found 4/29

$590

mié. 5/146:25 amDCA - LIH

2 stops15h 21mUnited Airlines

dom. 5/181:20 pmLIH - DCA

2 stops13h 39mUnited Airlines

Deal found 4/29

$654

sáb. 5/176:15 amBWI - LIH

2 stops17h 34mDelta

mar. 5/278:25 pmLIH - BWI

2 stops15h 42mDelta

Deal found 4/29

$709

jue. 5/297:05 pmBWI - LIH

1 stop32h 28mAlaska Airlines

jue. 6/129:08 amLIH - BWI

2 stops15h 11mAlaska Airlines

Deal found 4/29

$678

sáb. 7/197:40 amIAD - LIH

1 stop17h 28mDelta

mar. 7/298:35 pmLIH - IAD

2 stops15h 49mDelta

Deal found 4/28

$714

mar. 5/136:45 amBWI - LIH

2 stops15h 01mUnited Airlines

sáb. 5/171:20 pmLIH - BWI

1 stop11h 57mUnited Airlines

Deal found 4/28

$778

mié. 5/77:30 amDCA - LIH

1 stop13h 25mAmerican Airlines

sáb. 5/172:02 pmLIH - DCA

1 stop19h 38mAmerican Airlines

Deal found 4/28

$959

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 abril 30, 2025 and is based on user searches.

mié. 5/75:00 pmIAD - LIH

1 stop27h 20mAlaska Airlines

sáb. 5/1710:53 amLIH - IAD

1 stop25h 32mAlaska Airlines

Deal found 4/28

$663

mié. 5/77:59 amDCA - LIH

2 stops17h 01mDelta

sáb. 5/178:25 pmLIH - DCA

1 stop13h 40mDelta

Deal found 4/28

$684

mié. 5/78:20 amIAD - LIH

1 stop13h 26mUnited Airlines

sáb. 5/171:20 pmLIH - IAD

1 stop11h 59mUnited Airlines

Deal found 4/28

$829

mié. 5/75:02 amIAD - LIH

2 stops15h 53mAmerican Airlines

sáb. 5/172:02 pmLIH - IAD

2 stops20h 15mAmerican Airlines

Deal found 4/28

$848

mié. 5/77:30 amDCA - LIH

1 stop13h 25mAmerican Airlines

sáb. 5/172:02 pmLIH - DCA

1 stop19h 38mAmerican Airlines

Deal found 4/28

$959

lun. 5/126:15 amBWI - LIH

1 stop12h 35mSouthwest

dom. 5/188:15 amLIH - BWI

2 stops15h 45mSouthwest

Deal found 4/28

$768

lun. 5/125:00 amBWI - LIH

3 stops15h 55mAmerican Airlines

dom. 5/189:40 pmLIH - BWI

2 stops18h 25mAmerican Airlines

Deal found 4/28

$1,265

mié. 5/148:20 amIAD - LIH

1 stop13h 26mUnited Airlines

dom. 5/187:40 pmLIH - IAD

1 stop13h 56mUnited Airlines

Deal found 4/29

$643

vie. 5/168:23 amBWI - LIH

1 stop13h 23mUnited Airlines

sáb. 5/2410:58 pmLIH - BWI

1 stop12h 54mUnited Airlines

Deal found 4/29

$903

sáb. 5/176:15 amBWI - LIH

2 stops17h 34mDelta

mar. 5/278:25 pmLIH - BWI

2 stops15h 42mDelta

Deal found 4/29

$709

sáb. 5/176:00 amIAD - LIH

2 stops17h 49mDelta

mar. 5/278:25 pmLIH - IAD

2 stops15h 38mDelta

Deal found 4/28

$744

mar. 5/275:00 pmDCA - LIH

1 stop24h 46mAlaska Airlines

vie. 6/63:43 pmLIH - DCA

2 stops23h 22mAlaska Airlines

Deal found 4/28

$585

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 abril 30, 2025.

dom. 6/17:45 amIAD - LIH

1 stop17h 15mDelta

Deal found 4/29

$268

mar. 5/135:02 amIAD - LIH

2 stops15h 53mAmerican Airlines

Deal found 4/29

$273

dom. 6/86:30 amIAD - LIH

1 stop21h 03mAlaska Airlines

Deal found 4/29

$302

dom. 6/18:59 amDCA - LIH

2 stops27h 16mAlaska Airlines

Deal found 4/28

$343

mar. 7/86:53 amBWI - LIH

2 stops16h 25mDelta

Deal found 4/28

$357

lun. 6/306:05 amDCA - LIH

2 stops17h 03mDelta

Deal found 4/28

$387

mar. 7/86:05 amBWI - LIH

1 stop20h 20mUnited Airlines

Deal found 4/28

$402

dom. 6/17:11 pmDCA - LIH

2 stops22h 27mUnited Airlines

Deal found 4/29

$402

dom. 6/297:51 amBWI - LIH

1 stop20h 03mAlaska Airlines

Deal found 4/28

$482

jue. 7/106:05 amBWI - LIH

1 stop12h 40mSouthwest

Deal found 4/28

$487

vie. 6/136:50 pmDCA - LIH

2 stops21h 30mSouthwest

Deal found 4/27

$522

sáb. 6/2112:35 pmIAD - LIH

1 stop13h 50mUnited Airlines

Deal found 4/28

$687

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

mar. 5/27

5:00 pm-11:46 am

1 stop24h 46m

Lihue

vie. 6/6

3:43 pm-9:05 pm

2 stops23h 22m

$585

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

sáb. 5/31

7:00 am-9:33 pm

1 stop20h 33m

Lihue

lun. 6/9

12:46 pm-7:36 am

1 stop12h 50m

$590

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

mié. 5/14

8:20 am-3:46 pm

1 stop13h 26m

Lihue

dom. 5/18

12:48 pm-7:06 am

1 stop12h 18m

$643

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

mié. 5/7

5:02 am-2:55 pm

2 stops15h 53m

Lihue

sáb. 5/17

2:02 pm-4:17 pm

2 stops20h 15m

$664

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

mié. 7/9

12:00 pm-8:25 pm

2 stops14h 25m

Lihue

mar. 7/15

10:15 pm-6:45 pm

2 stops14h 30m

$674

BaltimoreLihue

BWI - LIH

BWILIH

Baltimore/Washington

jue. 5/29

7:05 pm-9:33 pm

1 stop32h 28m

Lihue

jue. 6/12

9:08 am-6:19 am

2 stops15h 11m

$678

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

mié. 5/7

7:59 am-7:00 pm

2 stops17h 01m

Lihue

sáb. 5/17

8:25 pm-4:05 pm

1 stop13h 40m

$684

BaltimoreLihue

BWI - LIH

BWILIH

Baltimore/Washington

sáb. 5/17

6:55 am-5:49 pm

2 stops16h 54m

Lihue

mar. 5/27

8:25 pm-6:07 pm

2 stops15h 42m

$709

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

sáb. 7/19

7:40 am-7:08 pm

1 stop17h 28m

Lihue

mar. 7/29

8:35 pm-6:24 pm

2 stops15h 49m

$738

BaltimoreLihue

BWI - LIH

BWILIH

Baltimore/Washington

lun. 5/12

6:15 am-12:50 pm

1 stop12h 35m

Lihue

dom. 5/18

8:15 am-6:00 am

2 stops15h 45m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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.

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, 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 $683). 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 Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,961 reviews

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

9,961 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

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

4,295 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

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

7,936 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

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

8,696 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

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

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 $268. 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, 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, 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 $683). 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

Reagan-National to Kahului flights

Dulles Intl to Kailua-Kona flights

Dulles Intl to Lihue flights

Reagan-National to Kailua-Kona flights

Reagan-National to Lihue flights

Dulles Intl to Hilo flights

Dulles Intl to Hana flights

Reagan-National to Hilo flights

Dulles Intl to Kapalua flights

Dulles Intl to Waimea (Big Island) 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$801	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$484	Average$746	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$561	Average$906	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$628	Average$848	FlexibilityNo cancel fee	On-time63%

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$268+ 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 5/13. 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

Keep the following information in mind while searching for Washington, D.C. to Kaua'i flight deals. Data was last updated abril 30, 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 abril 30, 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 abril 30, 2025.

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.

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?

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 abril 30, 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 Alaska Airlines, Southwest 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 abril 30, 2025.