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Kaua'i

$397+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LIH
jul. 1 — jul. 81
mar. 7/1
mar. 7/8
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 junio 26, 2025.

Round-trip from

$495
(Alaska Airlines)

One-way from

$397
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$942
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. 8% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 26, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
mié. 9/38:59 amDCA - LIH
2 stops30h 44mAlaska Airlines
lun. 9/82:25 pmLIH - DCA
1 stop21h 34mAlaska Airlines
Deal found 6/25$495
This Southwest deal was found by Cheapflights users on 6/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/18:40 pmDCA - LIH
2 stops22h 10mSouthwest
mié. 10/88:40 pmLIH - DCA
1 stop14h 15mSouthwest
Deal found 6/24$547
This American Airlines deal was found by Cheapflights users on 6/25. 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.
mié. 8/277:29 amDCA - LIH
1 stop12h 27mAmerican Airlines
mié. 9/179:40 pmLIH - DCA
1 stop12h 39mAmerican Airlines
Deal found 6/25$559
This Delta deal was found by Cheapflights users on 6/25. 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.
sáb. 9/135:25 pmDCA - LIH
1 stop29h 58mDelta
lun. 9/229:26 pmLIH - DCA
1 stop12h 41mDelta
Deal found 6/25$563
This United Airlines deal was found by Cheapflights users on 6/25. 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.
jue. 7/1010:30 amDCA - LIH
2 stops15h 55mUnited Airlines
lun. 7/1411:10 pmLIH - DCA
1 stop11h 40mUnited Airlines
Deal found 6/25$618
This Trip.com deal was found by Cheapflights users on 6/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/18:59 amDCA - LIH
1 stop32h 57mHawaiian Airlines
mié. 10/81:27 pmLIH - DCA
1 stop25h 47mHawaiian Airlines
Deal found 6/24$631

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 junio 26, 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. 9/3

8:59 am-9:43 am

2 stops30h 44m

Lihue

lun. 9/8

2:25 pm-5:59 pm

1 stop21h 34m

$495

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

mié. 8/27

7:29 am-1:56 pm

1 stop12h 27m

Lihue

mié. 9/17

9:40 pm-4:19 pm

1 stop12h 39m

$559

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

sáb. 9/13

5:25 pm-5:23 pm

1 stop29h 58m

Lihue

lun. 9/22

9:26 pm-4:07 pm

1 stop12h 41m

$563

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

jue. 7/10

10:30 am-8:25 pm

2 stops15h 55m

Lihue

lun. 7/14

11:10 pm-4:50 pm

1 stop11h 40m

$618

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

jue. 7/17

12:00 pm-8:25 pm

2 stops14h 25m

$397

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

jue. 7/17

8:59 am-8:32 pm

1 stop17h 33m

$478

Washington, D.C.Lihue

DCA - LIH

DCALIH

Washington, D.C. Reagan-National

vie. 8/15

6:10 am-5:18 pm

2 stops17h 08m

$937

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Kaua'i (average of $440). Flying from Washington, D.C. Reagan-National Airport to Kaua'i in June is currently the most expensive (average of $689). 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.

Rainfall in Kaua'i by month

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

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

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 junio 26, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

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
7,966 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

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
8,840 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

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
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

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

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.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $397. Users have also found prices from $478 and $937 on Alaska Airlines and Delta, respectively.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Kaua'i (average of $440). Flying from Washington, D.C. Reagan-National Airport to Kaua'i in June is currently the most expensive (average of $689). 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 2 airlines flying from Reagan-National to Kaua'i

Discover the top 2 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 junio 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$484Average$731FlexibilityNo cancel feeOn-time71%
DeltaCheapest$489Average$660FlexibilityNo cancel feeOn-timeN/A

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