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Kaua'i

$220+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LIH
Mar 24 — Mar 311
Tue 3/24
Tue 3/31
1 adult, Economy
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Cheap 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 February 22, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 4/157:00 am
IAD
-
LIH
1 stop20h 29m
Alaska Airlines
Wed 4/221:36 pm
LIH
-
IAD
1 stop22h 05m
Alaska Airlines
Deal found 2/19$440
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 4/297:10 am
IAD
-
LIH
1 stop20h 16m
Alaska Airlines
Wed 5/610:26 pm
LIH
-
IAD
1 stop19h 43m
Alaska Airlines
Deal found 2/18$469
This United Airlines deal was found by Cheapflights users on 2/22. 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 4/2412:35 pm
IAD
-
LIH
1 stop13h 18m
United Airlines
Mon 4/277:35 pm
LIH
-
IAD
1 stop11h 39m
United Airlines
Deal found 2/22$470
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 4/299:00 am
IAD
-
LIH
1 stop18h 26m
Multiple Airlines
Wed 5/69:41 am
LIH
-
IAD
2 stops14h 09m
Multiple Airlines
Deal found 2/18$506
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 5/67:10 am
IAD
-
LIH
2 stops29h 07m
Multiple Airlines
Sun 5/1010:26 pm
LIH
-
IAD
1 stop25h 24m
Multiple Airlines
Deal found 2/20$512
This Expedia deal was found by Cheapflights users on 2/19. 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.
Thu 4/307:10 am
IAD
-
LIH
2 stops21h 11m
Multiple Airlines
Sun 5/1010:26 pm
LIH
-
IAD
1 stop19h 43m
Multiple Airlines
Deal found 2/19$513
This Delta deal was found by Cheapflights users on 2/20. 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.
Wed 5/67:00 am
IAD
-
LIH
2 stops17h 40m
Delta
Sun 5/109:40 pm
LIH
-
IAD
2 stops19h 16m
Delta
Deal found 2/20$514
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 4/116:22 pm
IAD
-
LIH
2 stops25h 46m
Multiple Airlines
Mon 4/2711:12 am
LIH
-
IAD
2 stops24h 29m
Multiple Airlines
Deal found 2/19$523

Find 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 February 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$440
(Alaska Airlines)

One-way from

$220
(Delta)

Popular in

December

Cheapest in

January

Average price

$653
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 Washington, D.C. Dulles Intl to Kaua'i
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Kaua'i
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 22, 2026.
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

Fri 4/24

12:35 pm-7:53 pm

1 stop13h 18m

Lihue

Mon 4/27

7:35 pm-1:14 pm

1 stop11h 39m

$470

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Wed 4/29

9:00 am-9:26 pm

1 stop18h 26m

Lihue

Wed 5/6

9:41 am-5:50 am

2 stops14h 09m

$506

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Wed 5/6

7:10 am-6:17 am

2 stops29h 07m

Lihue

Sun 5/10

10:26 pm-5:50 am

1 stop25h 24m

$512

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Thu 4/16

12:35 pm-7:53 pm

1 stop13h 18m

Lihue

Mon 4/20

12:55 pm-7:25 am

1 stop12h 30m

$547

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Wed 3/11

2:36 pm-9:57 pm

1 stop13h 21m

Lihue

Tue 3/24

1:25 pm-6:56 am

1 stop11h 31m

$551

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sat 4/11

6:22 pm-2:08 pm

2 stops25h 46m

Lihue

Mon 4/27

1:36 pm-5:41 pm

1 stop22h 05m

$570

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Wed 4/29

7:00 am-6:40 pm

2 stops17h 40m

Lihue

Wed 5/6

8:20 pm-6:53 pm

2 stops16h 33m

$576

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sat 4/11

9:55 am-7:37 pm

1 stop15h 42m

Lihue

Mon 4/27

12:55 pm-7:25 am

1 stop12h 30m

$610

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Fri 2/27

6:20 pm-1:56 pm

1 stop24h 36m

Lihue

Tue 3/3

4:50 pm-5:27 pm

1 stop19h 37m

$617

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Tue 4/28

7:00 am-5:40 pm

1 stop16h 40m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 21 results
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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 $376). Flying from Washington, D.C. Dulles Intl Airport to Kaua'i in June is currently the most expensive (average of $840). 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 February 22, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Kaua'i, such as Alaska Airlines 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
11,928 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
8.0
Very good
11,928 reviews
Alaska Airlines
8.0
Very good
11,928 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
United Airlines
7.4
Good
9,341 reviews
Alaska Airlines
8.0
Very good
11,928 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the 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 13h 18m. Fly via United Airlines to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to Kaua'i is about 4854 mi.

  • 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 $376). Flying from Washington, D.C. Dulles Intl Airport to Kaua'i in June is currently the most expensive (average of $840). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Dulles Intl to Kaua'i

Discover the top 2 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 February 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$376Average$678FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$511Average$861FlexibilityNo cancel feeOn-time69%

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