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Kaua'i

$229+ Cheap flights from Dulles Intl (IAD) 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LIH
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Cheap flight deals from Dulles Intl to Kaua'i

Keep the following information in mind while searching for Dulles Intl to Kaua'i flight deals. Data was last updated October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$447
(United Airlines)

One-way from

$229
(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. Dulles Intl to Kaua'i
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One-way flight from Washington, D.C. Dulles Intl 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 ($27 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 Dulles Intl to Kaua'i

Cheapest flights from Dulles Intl to Kaua'i
Explore the most affordable flight options available from Dulles Intl to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

This United Airlines deal was found by Cheapflights users on 10/12. 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 11/108:25 amIAD - LIH
1 stop13h 33mUnited Airlines
Mon 11/248:30 pmLIH - IAD
1 stop11h 40mUnited Airlines
Deal found 10/12$447
This Delta deal was found by Cheapflights users on 10/13. 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.
Sat 11/157:15 amIAD - LIH
1 stop17h 49mDelta
Sun 11/2310:55 pmLIH - IAD
2 stops20h 30mDelta
Deal found 10/13$500
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Sat 11/1512:35 pmIAD - LIH
1 stop14h 41mUnited Airlines
Sun 11/232:31 pmLIH - IAD
1 stop11h 59mUnited Airlines
Deal found 10/13$507
This KAYAK deal was found by Cheapflights users on 10/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:43 amIAD - LIH
1 stop13h 09mAlaska Airlines
Tue 11/411:46 amLIH - IAD
1 stop13h 37mAlaska Airlines
Deal found 10/12$525
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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.
Wed 11/266:17 pmIAD - LIH
2 stops31h 13mAlaska Airlines
Wed 12/31:39 pmLIH - IAD
2 stops22h 51mAlaska Airlines
Deal found 10/13$531
This Delta deal was found by Cheapflights users on 10/12. 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.
Tue 12/27:01 amIAD - LIH
2 stops16h 32mDelta
Sat 12/610:55 pmLIH - IAD
2 stops14h 26mDelta
Deal found 10/12$541

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 October 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kaua'i that are best for you.

Fly from

Dulles Intl

Fly to

Kaua'i

Route

Depart

Return

Price

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 11/10

6:30 am-4:58 pm

2 stops15h 28m

Lihue

Mon 11/24

8:30 pm-3:41 pm

1 stop14h 11m

$452

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sat 11/15

7:15 am-8:04 pm

1 stop17h 49m

Lihue

Sun 11/23

10:55 pm-12:25 am

2 stops20h 30m

$500

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sat 11/15

12:35 pm-10:16 pm

1 stop14h 41m

Lihue

Sun 11/23

2:31 pm-7:30 am

1 stop11h 59m

$507

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sun 1/11

5:26 pm-1:50 pm

1 stop25h 24m

Lihue

Sun 1/18

10:50 am-5:04 pm

1 stop25h 14m

$530

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 10/27

7:35 am-7:05 pm

1 stop17h 30m

Lihue

Mon 11/3

9:30 pm-4:57 pm

2 stops14h 27m

$550

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 10/27

7:35 am-7:05 pm

1 stop17h 30m

Lihue

Wed 11/5

9:30 pm-4:57 pm

2 stops14h 27m

$550

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Thu 10/30

6:15 am-4:53 pm

2 stops16h 38m

Lihue

Mon 11/3

9:30 pm-7:25 pm

2 stops16h 55m

$556

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Wed 11/26

7:15 am-8:04 pm

1 stop17h 49m

Lihue

Wed 12/3

10:55 pm-11:27 pm

2 stops19h 32m

$557

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Wed 11/26

6:17 pm-8:30 pm

2 stops31h 13m

Lihue

Wed 12/3

1:39 pm-5:30 pm

2 stops22h 51m

$571

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sat 2/7

7:00 am-8:31 pm

1 stop18h 31m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 14 results
1
2

Best time to book a flight from Dulles Intl to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Dulles Intl 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. Dulles Intl Airport to Kaua'i

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

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kaua'i (average of $420). Flying from Washington, D.C. Dulles Intl Airport to Kaua'i in June is currently the most expensive (average of $887). 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 IAD to FUS?

Find hourly flight availability from Dulles Intl 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 October 14, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Kaua'i, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 30% versus a flight at noon.

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 October 14, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Kaua'i, such as Alaska Airlines, Delta, and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,079 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,079 reviews
Alaska Airlines
8.0
Very good
11,079 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,975 reviews
Alaska Airlines
8.0
Very good
11,079 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,976 reviews
Alaska Airlines
8.0
Very good
11,079 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Kaua'i?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Kaua'i in 15h 28m. Fly via United Airlines, Delta, or Alaska Airlines to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to Kaua'i is about 4854 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Dulles Intl to Kaua'i that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Kaua'i?

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

  • Can I find deals for business class flights from Dulles Intl to Kaua'i?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Kaua'i?

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kaua'i (average of $420). Flying from Washington, D.C. Dulles Intl Airport to Kaua'i in June is currently the most expensive (average of $887). 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 Dulles Intl to Kaua'i

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Top 3 airlines flying from Dulles Intl to Kaua'i

Discover the top 3 airlines that operate flights from Dulles Intl 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$473Average$946FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$515Average$725FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$552Average$884FlexibilityNo cancel feeOn-time69%

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