$297 Find Cheap Flights from Reagan Washington National Airport to Kaua'i

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Reagan-National to Kaua'i departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Kaua'i

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Kaua'i, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Kaua'i, as well as popular online travel agencies
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Flight Deals

Book Cheap Reagan-National to Kaua'i Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Reagan-National to Kaua'i that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Reagan-National to Kaua'i

Sun, Feb 1 - Tue, Feb 10
Multiple Airlines Logo
8:59 am - 1:45 pm
DCA
-
LIH
33h 46m1 stop
Multiple Airlines Logo
2:30 pm - 8:00 pm
LIH
-
DCA
24h 30m1 stop
$444Multiple Airlines
Sun, Jan 25 - Thu, Feb 5
Multiple Airlines Logo
6:56 pm - 11:10 am
DCA
-
LIH
21h 14m1 stop
Multiple Airlines Logo
2:30 pm - 8:00 pm
LIH
-
DCA
24h 30m1 stop
$445Multiple Airlines
Mon, Jan 26 - Tue, Feb 3
Delta Logo
6:00 am - 6:31 pm
DCA
-
LIH
17h 31m2 stops
Delta Logo
10:35 pm - 3:33 pm
LIH
-
DCA
11h 58m1 stop
$450Delta
Mon, Jan 26 - Thu, Feb 5
Delta Logo
6:59 am - 6:31 pm
DCA
-
LIH
16h 32m2 stops
Delta Logo
9:20 pm - 6:04 pm
LIH
-
DCA
15h 44m2 stops
$455Delta
Thu, Jan 22 - Thu, Feb 5
Multiple Airlines Logo
8:59 am - 8:30 pm
DCA
-
LIH
16h 31m2 stops
Multiple Airlines Logo
6:33 pm - 4:01 pm
LIH
-
DCA
16h 28m2 stops
$456Multiple Airlines
Mon, Mar 2 - Wed, Mar 4
Multiple Airlines Logo
5:00 pm - 10:18 pm
DCA
-
LIH
34h 18m1 stop
Multiple Airlines Logo
6:32 pm - 5:59 pm
LIH
-
DCA
18h 27m2 stops
$470Multiple Airlines
Mon, Jan 26 - Sun, Feb 8
Delta Logo
6:00 am - 6:31 pm
DCA
-
LIH
17h 31m2 stops
Delta Logo
9:20 pm - 3:20 pm
LIH
-
DCA
13h 00m1 stop
$471Delta
Tue, Jan 27 - Thu, Feb 5
Delta Logo
4:38 pm - 6:31 pm
DCA
-
LIH
30h 53m1 stop
Delta Logo
9:20 pm - 3:20 pm
LIH
-
DCA
13h 00m1 stop
$475Delta
Tue, Jan 27 - Wed, Feb 4
Multiple Airlines Logo
8:59 am - 1:03 pm
DCA
-
LIH
33h 04m1 stop
Multiple Airlines Logo
7:49 pm - 4:01 pm
LIH
-
DCA
15h 12m2 stops
$479Multiple Airlines
Mon, Jan 26 - Fri, Feb 6
Delta Logo
7:59 am - 6:31 pm
DCA
-
LIH
15h 32m2 stops
Delta Logo
10:35 pm - 3:33 pm
LIH
-
DCA
11h 58m1 stop
$480Delta
Booking Insights

KAYAK's insights & trends for Reagan-National to Kaua'i flights

Get data-powered insights and trends into flights from Reagan-National to Kaua'i to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from Washington, D.C. Reagan-National Airport to Kaua'i?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $384, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Reagan-National Airport to Kaua'i, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Reagan-National Airport to Kaua'i is November, when tickets cost $523 (return) on average. On the other hand, the most expensive months are July and October, when the average cost of round-trip tickets is $1,011 and $980 respectively.

What’s the cheapest day of the week to fly from Reagan Washington National Airport to Kaua'i?

The average price of all round-trip flights from Washington, D.C. Reagan-National Airport to Kaua'i clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Reagan Washington National Airport to Kaua'i, look for departures on Wednesdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Kaua'i, Friday is the cheapest day to fly and Saturday is the most expensive.

Good to know

Low seasonOctober
Cheapest flight$297
Best time to beat the crowds but there is an average 30% increase in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Reagan Washington National Airport to Lihue

FAQs - booking Kaua'i flights

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport to Kaua'i?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Reagan Washington National Airport to Kaua'i.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Reagan Washington National Airport to Kaua'i?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Reagan Washington National Airport to Kaua'i is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Reagan Washington National Airport to Kaua'i?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Reagan Washington National Airport to Kaua'i with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Reagan Washington National Airport to Kaua'i?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Reagan Washington National Airport to Kaua'i up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Kaua'i?

    The cheapest time of day to fly to Kaua'i is generally in the morning, when round-trip flights cost $896 on average. The most expensive time of day to fly to Kaua'i is generally in the morning, which is peak travel time and where the average cost of a ticket is $896.

Reviews of the top 3 airlines serving from Reagan-National to Kaua'i

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Kaua'i. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Reagan-National to Kaua'i? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8008 reviews
7.9Comfort
7.3Food
8.5Crew
8.1Boarding
7.9Entertainment
Airline reviews

Original flight was cancelled and when i was rebooked by the airline, they couldn't seat me in the same type of seat as I had originally booked (went from window/aisle to middle/middle and one was a bulkhead seat, and other wasn't in the same class)

6.0 GoodJeff, Dec 2025
JFK - MIA
Read more Delta reviews

Original flight was cancelled and when i was rebooked by the airline, they couldn't seat me in the same type of seat as I had originally booked (went from window/aisle to middle/middle and one was a bulkhead seat, and other wasn't in the same class)

Lady Pilot was perfect in every way wheels up to wheels down communication, professionalism, excellent on time departure and on time arrival, excellent communication! Fantastic job with Superb attitude!!

The food is terrible. The staff is wonderful. Comfort is good.

Left on time, a bit delayed due to headwinds most of the trip.

I fly Delta all the time, have Platinum Medallion status. But this route seems to have major problems with delays and seems to never leave on time! Have only taken it twice in the last two weeks, and each time it had delays of more than 1 hour... very disappointed!!!!

Good seats in Main cabin, excellent service and excellent landing

My flight was cancelled with no explanation after I had already cleared security. I was given 4 options to rebook, only one being non-stop like I had paid for. I grabbed it. It was 4 plus hours later and then took off even later. Biggest complaint is that I booked early and had an aisle seat. They gave me a "window" seat in front of the exit row, so the seat did not decline. I weigh all of 103 #s and it was tight for me! For what I paid, I feel I was kind of ripped off. I think they should have given me the empty comfort seat for the inconvenience. There was no apology nor any explanation as to why the flight was cancelled. My guess is it benefitted Delta in some way.

Very smooth, on-time, and pleasantly uneventful flight. The team at the gate and on board were professional and genuinely courteous. The pilot kept us well updated throughout, and both takeoff and landing were steady and enjoyable without any drama. Just a good, solid flight. Thank you! 💗

Staff was exceptional! Everyone was kind, professional and friendly making the trip very pleasant. Thank you!

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

Not great experience - we were super late boarding due to issues with aircraft. Then when we finally all got onboard and seated and they started taxiing out to the runway they just stopped then turned around and went back to the airport. Apparently the crew “ran out of time” to legally fly us. They mentioned that they were about 2 minutes away from taking off. I understand the rules and safety but kinda wonder why they would have bothered boarding us in the first place? Had to go all the way back and de plane and then wait in a HUGE line to get a hotel (this is somewhere around 2:30am) finally got to hotel by Uber (no shuttle after 20min so gave up) and they ended up putting us all back on the same aircraft at 10am next morning so got about 2.5 hours sleep. They did give us. $250 credit, but it was a São Paulo Brazil flight out of Dulles. The flight and everything was fine.

Starlink wifi on the Embraer E175 is an excellent experience. I was able to connect and work from IAD all the way to approach into BTV.

7 hours delayed due to operational issues on United’s end. Basically laziness.

Short flight but an "eager to help" crew made the journey more enjoyable!

During booking, I kept trying submitting my payment from the Mexican website and it didn't work. After I had the idea to change it to the Canadian website, it worked but I had to be charged the equivalent of 50 CAD more. I received the clear instruction that I would only be able to check-in at the airport and that it was impossible to select a seat 24 hours before departure, that I had to pay 144 CAD to do so, although not only was I able to check-in 24 hours before departure, but I could have selected my seats for free then. All in all, I almost threw $200 out the window due to misleading information. Besides, the app kept crashing, the information to get to the gate on the app was inaccurate, my gate was switched and I was only informed once in the air (luckily I had noticed the departure pannel), I was not addressed in my language beforehand and even if I tried I was immediately answered in English (which meant the crew understood but didn't want to answer accordingly), there was only one snack & beverage service on my medium haul flight and no beverage service on my short haul flight. To be fair, the planes were comfortable, the crew apart from the language issue was helpful, dynamic and engaging, the plane was clean and the directions were clear and direct. United has a lot of potential to be one of my favourite airlines, but the devil is in the details and a lot of them missed the target.

Better WiFi. I cannot understand that in 2025, United is so behind on a technology that is now a necessity and still painfully unreliable, slow and keeps disconnecting.

Great service on board. Boarding a bit slow due to process. Food was pretty average.

Very small cramped plane for an international flight. Everything else was good, but it was maybe the smallest comfort-wise I've ever been on for longer than 3-4 hours and the trip was 7.5

Flight was delayed 3 hours. No food and drink vouchers was provided. They offered a mini pretzel bag and water .

Staff was rude. Didn’t give water for 2 hours. Worst service

The boarding was as always, the crew tried their best but not enough. The food was a disaster I had dietary restrictions that were half met because the company did not loaded the food for the flight. The entertainment screen was fine but content was not and also they removed the free messaging option from the flight and they charged 30 dollars for that crappy bandwidth. This flight is not worth the cost and the company is going down on quality.

Awful. They won’t help me with anything. I booked on American but they abdicated to Iberia. The ticket was overpriced. Everything negative

I got sick nothing contagious but distressing and the care I received by Kayla? Keighly the flight attendant will be memorable for ever. Thank You

We were told the flight was delayed 5 times, then it was moved to the next day.

More choices on snacks. Built-in video screen to enjoy entertainment choices.

Flight delay was communicated before leaving for airport which caused it to be a non-event. Great flight and crew!

The flight attendant, a black woman with curly hair who sat near Row 21, was wonderful and kind.

It took way too long to diagnose and solve the problem of a broken crew member cabin seat. Though compensation for the volunteer who left the flight was very kind.

We fly American Airlines quite a bit. And we always fly business class when traveling internationally. We were a bit disappointed with the comfort of this particular plane as well as the entertainment options.

The AA staff person who checked our bags was curt and almost rude. The FA also seemed unhappy doing her job. Overall it was like riding the school bus back in grade school.

Everything you need to know for your flight to Kaua'i

Information on your arrival and departure airports