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Kaua'i

$217+ Cheap flights from Reagan-National (DCA) 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LIH
nov. 9 — nov. 161
dom. 11/9
dom. 11/16
1 adult, Economy
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Cheap flight deals from Reagan-National to Kaua'i

Keep the following information in mind while searching for Reagan-National to Kaua'i flight deals. Data was last updated octubre 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$424
(Alaska Airlines)

One-way from

$217
(Delta)

Popular in

March

Cheapest in

September

Average price

$679
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. Reagan-National to Kaua'i
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One-way flight from Washington, D.C. Reagan-National to Kaua'i
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Highest demand for flights based on searches. 10% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Reagan-National to Kaua'i

Cheapest flights from Reagan-National to Kaua'i
Explore the most affordable flight options available from Reagan-National to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 10, 2025.

This Expedia deal was found by Cheapflights users on 10/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/36:58 pmDCA - LIH
2 stops24h 39mAlaska Airlines
lun. 11/1712:28 pmLIH - DCA
1 stop26h 32mAlaska Airlines
Deal found 10/9$424
This Delta deal was found by Cheapflights users on 10/9. 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.
vie. 10/316:00 amDCA - LIH
2 stops16h 53mDelta
lun. 11/109:40 pmLIH - DCA
1 stop12h 45mDelta
Deal found 10/9$456
This Delta deal was found by Cheapflights users on 10/9. 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.
lun. 11/36:10 amDCA - LIH
2 stops16h 43mDelta
lun. 11/1710:55 pmLIH - DCA
2 stops14h 39mDelta
Deal found 10/9$504
This American Airlines deal was found by Cheapflights users on 10/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/37:00 amDCA - LIH
1 stop13h 59mAmerican Airlines
lun. 11/172:49 pmLIH - DCA
1 stop20h 06mAmerican Airlines
Deal found 10/9$578
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/19:59 amDCA - LIH
2 stops30h 44mAlaska Airlines
sáb. 11/89:00 pmLIH - DCA
2 stops15h 58mAlaska Airlines
Deal found 10/9$584
This Expedia deal was found by Cheapflights users on 10/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/259:59 amDCA - LIH
1 stop32h 14mAlaska Airlines
lun. 10/271:48 pmLIH - DCA
1 stop24h 12mAlaska Airlines
Deal found 10/8$632

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 octubre 10, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Kaua'i that are best for you.

Fly from

Reagan-National

Fly to

Kaua'i

Route

Depart

Return

Price

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

mié. 2/11

9:59 am-10:23 pm

2 stops17h 24m

Lihue

mié. 2/18

11:00 am-9:10 pm

1 stop29h 10m

$424

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

vie. 10/31

6:00 am-4:53 pm

2 stops16h 53m

Lihue

lun. 11/10

9:40 pm-3:25 pm

1 stop12h 45m

$456

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

mié. 2/11

8:35 am-4:37 pm

1 stop13h 02m

Lihue

mié. 2/18

10:30 pm-3:56 pm

1 stop12h 26m

$457

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

mar. 3/3

7:00 am-7:47 pm

2 stops17h 47m

Lihue

jue. 3/5

10:45 pm-3:32 pm

1 stop11h 47m

$578

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

lun. 11/3

7:00 am-3:59 pm

1 stop13h 59m

Lihue

lun. 11/17

2:49 pm-3:55 pm

1 stop20h 06m

$578

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

mar. 3/3

8:00 am-10:15 pm

1 stop19h 15m

Lihue

jue. 3/5

11:00 am-9:10 pm

1 stop29h 10m

$583

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

sáb. 11/1

9:59 am-10:43 am

2 stops30h 44m

Lihue

sáb. 11/8

9:00 pm-5:58 pm

2 stops15h 58m

$584

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

jue. 12/11

7:38 am-8:10 pm

2 stops17h 32m

$217

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

jue. 12/11

8:00 am-10:25 pm

1 stop19h 25m

$229

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

sáb. 11/15

6:58 pm-2:37 pm

2 stops24h 39m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 17 results
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Best time to book a flight from Reagan-National to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Reagan-National 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. Reagan-National Airport to Kaua'i

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Kaua'i (average of $241). Flying from Washington, D.C. Reagan-National Airport to Kaua'i in March is currently the most expensive (average of $785). 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.

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 octubre 10, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Washington, D.C. Reagan-National Airport to Kaua'i by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,968 reviews
Delta
8.0
Very good
7,969 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
11,043 reviews
Delta
8.0
Very good
7,969 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Kaua'i?

    For as low as $457, Alaska Airlines can have you in Kaua'i from Washington, D.C. Reagan-National Airport in 13h 02m. The distance from Washington, D.C. Reagan-National Airport to Kaua'i is about 4878 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Reagan-National to Kaua'i that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Kaua'i flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Kaua'i?

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

  • Can I find deals for business class flights from Reagan-National to Kaua'i?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Kaua'i?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Kaua'i (average of $241). Flying from Washington, D.C. Reagan-National Airport to Kaua'i in March is currently the most expensive (average of $785). 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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Alternative routes for Reagan-National to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Reagan-National to Kaua'i

Discover the top 3 airlines that operate flights from Reagan-National 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 octubre 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$477Average$660FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$484Average$728FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$609Average$830FlexibilityNo cancel feeOn-time69%

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