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Kaua'i

$222+ Cheap flights from District of Columbia 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LIH
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from District of Columbia to Kaua'i

Cheapest flights from District of Columbia to Kaua'i
Explore the most affordable flight options available from District of Columbia to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/256:30 amDCA - LIH
2 stops16h 17mUnited Airlines
Wed 1/148:30 pmLIH - DCA
1 stop13h 29mUnited Airlines
Deal found 12/17$579
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/258:20 amIAD - LIH
1 stop13h 44mUnited Airlines
Wed 1/148:30 pmLIH - IAD
1 stop13h 42mUnited Airlines
Deal found 12/17$609
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/197:45 amIAD - LIH
1 stop15h 02mUnited Airlines
Thu 12/259:35 pmLIH - IAD
1 stop13h 47mUnited Airlines
Deal found 12/17$683
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/196:30 amDCA - LIH
2 stops16h 17mUnited Airlines
Thu 12/258:30 pmLIH - DCA
1 stop13h 29mUnited Airlines
Deal found 12/17$689
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/236:20 amIAD - LIH
1 stop15h 44mUnited Airlines
Wed 1/148:30 pmLIH - IAD
1 stop13h 42mUnited Airlines
Deal found 12/17$721
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/237:00 amDCA - LIH
1 stop16h 39mAmerican Airlines
Wed 1/1410:10 pmLIH - DCA
1 stop12h 49mAmerican Airlines
Deal found 12/17$762
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/197:45 amIAD - LIH
1 stop15h 02mUnited Airlines
Fri 12/262:29 pmLIH - IAD
1 stop11h 51mUnited Airlines
Deal found 12/17$843
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/225:20 pmIAD - LIH
1 stop28h 44mUnited Airlines
Sun 12/289:35 pmLIH - IAD
1 stop13h 47mUnited Airlines
Deal found 12/16$885
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/257:00 amDCA - LIH
1 stop16h 39mAmerican Airlines
Wed 1/1410:10 pmLIH - DCA
1 stop12h 49mAmerican Airlines
Deal found 12/17$892
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/227:00 amDCA - LIH
1 stop16h 39mAmerican Airlines
Fri 12/2610:45 pmLIH - DCA
1 stop11h 59mAmerican Airlines
Deal found 12/17$1,000
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/196:59 amDCA - LIH
2 stops16h 40mAmerican Airlines
Fri 12/2610:45 pmLIH - DCA
1 stop11h 59mAmerican Airlines
Deal found 12/17$1,056

Find flight deals from District of Columbia to Kaua'i

Keep the following information in mind while searching for District of Columbia to Kaua'i flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$442
(Alaska Airlines)

One-way from

$222
(Alaska Airlines)

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 District of Columbia to Kaua'i
Search Deals
One-way flight from District of Columbia to Kaua'i
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($44 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

 
Customize your flight search to find flights from District of Columbia 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 December 18, 2025.
Use the filters below to find and compare flights from District of Columbia to Kaua'i that are best for you.

Fly from

District of Columbia

Fly to

Kaua'i

Route

Depart

Return

Price

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sun 2/1

6:04 pm-1:56 pm

2 stops24h 52m

Lihue

Tue 2/10

10:20 pm-4:26 pm

1 stop13h 06m

$442

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Thu 2/19

7:05 am-10:22 pm

2 stops20h 17m

Lihue

Thu 2/26

11:19 pm-5:20 pm

1 stop13h 01m

$442

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 3/2

6:27 pm-10:18 pm

1 stop32h 51m

Lihue

Tue 3/17

10:19 pm-5:55 pm

1 stop13h 36m

$443

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

Thu 2/19

2:36 pm-10:44 pm

1 stop13h 08m

Lihue

Thu 2/26

2:25 pm-6:51 am

1 stop11h 26m

$445

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 3/2

7:05 am-6:31 pm

2 stops16h 26m

Lihue

Tue 3/17

8:30 pm-4:40 pm

2 stops14h 10m

$456

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Wed 1/7

6:04 pm-4:54 pm

2 stops27h 50m

Lihue

Wed 1/21

10:20 pm-4:26 pm

1 stop13h 06m

$460

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 1/26

5:26 pm-1:03 pm

1 stop24h 37m

Lihue

Thu 1/29

10:20 pm-4:26 pm

1 stop13h 06m

$464

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

Tue 1/27

9:59 am-10:23 pm

2 stops17h 24m

Lihue

Thu 1/29

10:20 pm-9:59 pm

1 stop18h 39m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 24 results
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Best time to book a flight from District of Columbia to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from District of Columbia 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 District of Columbia to Kaua'i

What is the cheapest month to book a flight from District of Columbia to Kaua'i?

Currently, November is the cheapest month in which you can book a flight from District of Columbia to Kaua'i (average of $247). Flying from District of Columbia 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 DC to FUS?

Find hourly flight availability from District of Columbia 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 18, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 16% on flights from District of Columbia to Kaua'i by exploring options for tickets in the morning.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia to Kaua'i?

    A quick flight from District of Columbia to Kaua'i can take about 13h 08m. Alaska Airlines provides one of the quickest options available for as low as $445. Airlines will cover a distance of 4854 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from District of Columbia to Kaua'i are Delta ($216), United Airlines ($233), and Alaska Airlines ($267).

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

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

  • How can I find direct flights from District of Columbia to Kaua'i?

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

  • Can I find deals for business class flights from District of Columbia to Kaua'i?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Kaua'i?

    Currently, November is the cheapest month in which you can book a flight from District of Columbia to Kaua'i (average of $247). Flying from District of Columbia 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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from District of Columbia to Kaua'i

Discover the top 5 airlines that operate flights from District of Columbia 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$406Average$669FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$499Average$889FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$504Average$710FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$515Average$723FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$671Average$813FlexibilityNo cancel feeOn-time63%

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