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Kaua'i

$213+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LIH
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
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 December 22, 2025.

This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:06 pmIAD - LIH
2 stops31h 48mDelta
Mon 1/1210:45 pmLIH - IAD
1 stop19h 25mDelta
Deal found 12/19$651
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Tue 12/237:45 amIAD - LIH
1 stop15h 02mUnited Airlines
Wed 12/318:30 pmLIH - IAD
1 stop14h 04mUnited Airlines
Deal found 12/21$673
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:21 pmIAD - LIH
2 stops35h 09mDelta
Mon 1/1210:45 pmLIH - IAD
2 stops20h 03mDelta
Deal found 12/19$684
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:20 amIAD - LIH
1 stop13h 44mUnited Airlines
Mon 1/128:30 pmLIH - IAD
1 stop13h 42mUnited Airlines
Deal found 12/19$687
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:21 pmIAD - LIH
2 stops35h 09mDelta
Mon 1/1210:45 pmLIH - IAD
2 stops20h 03mDelta
Deal found 12/19$715
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:20 amIAD - LIH
1 stop15h 44mUnited Airlines
Mon 1/128:30 pmLIH - IAD
1 stop13h 42mUnited Airlines
Deal found 12/19$747
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:20 amIAD - LIH
2 stops16h 27mUnited Airlines
Mon 1/128:30 pmLIH - IAD
1 stop13h 42mUnited Airlines
Deal found 12/19$752
This Delta deal was found by Cheapflights users on 12/21. 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 12/247:05 amIAD - LIH
2 stops14h 30mDelta
Tue 12/3010:43 pmLIH - IAD
2 stops19h 35mDelta
Deal found 12/21$794

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 December 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$408
(Delta)

One-way from

$213
(Delta)

Popular in

December

Cheapest in

September

Average price

$1,188
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. 5% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 22, 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 1/19

7:30 am-7:55 pm

1 stop17h 25m

Lihue

Wed 2/4

9:20 pm-11:10 pm

1 stop20h 50m

$408

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 1/19

7:30 am-7:55 pm

1 stop17h 25m

Lihue

Sun 2/1

9:20 pm-4:46 pm

2 stops14h 26m

$414

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Wed 1/21

6:04 pm-10:41 pm

1 stop33h 37m

Lihue

Thu 1/29

10:20 pm-4:26 pm

1 stop13h 06m

$426

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Wed 1/21

6:04 pm-10:41 pm

1 stop33h 37m

Lihue

Mon 2/2

10:20 pm-4:26 pm

1 stop13h 06m

$426

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 1/19

6:00 am-6:31 pm

2 stops17h 31m

Lihue

Thu 1/29

10:45 pm-11:10 pm

1 stop19h 25m

$430

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 1/19

7:30 am-7:55 pm

1 stop17h 25m

Lihue

Tue 2/3

10:39 pm-8:45 pm

2 stops17h 06m

$430

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Tue 1/20

6:00 am-6:31 pm

2 stops17h 31m

Lihue

Thu 1/29

10:45 pm-11:10 pm

1 stop19h 25m

$430

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Tue 1/20

7:30 am-7:55 pm

1 stop17h 25m

Lihue

Wed 2/4

9:20 pm-11:10 pm

1 stop20h 50m

$442

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 1/26

6:04 pm-10:41 pm

1 stop33h 37m

Lihue

Thu 1/29

10:20 pm-4:26 pm

1 stop13h 06m

$443

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Tue 1/20

7:30 am-7:55 pm

1 stop17h 25m

Lihue

Sun 2/1

9:20 pm-4:46 pm

2 stops14h 26m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 $403). 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 December 22, 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 December 22, 2025.
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
11,505 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,505 reviews
Alaska Airlines
8.0
Very good
11,505 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
United Airlines
7.4
Good
9,102 reviews
Alaska Airlines
8.0
Very good
11,505 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

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 17h 25m. Fly via 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.

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

    $216 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $233 and $267, respectively.

  • 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 $403). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$515Average$718FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$552Average$903FlexibilityNo cancel feeOn-time69%

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