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Kaua'i

$253+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LIH
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
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 June 11, 2026.

This United Airlines deal was found by Cheapflights users on 6/8. 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 9/78:15 am
IAD
-
LIH
1 stop13h 25m
United Airlines
Wed 9/161:03 pm
LIH
-
IAD
1 stop11h 50m
United Airlines
Deal found 6/8$506
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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.
Mon 9/77:35 pm
IAD
-
LIH
1 stop22h 01m
Multiple Airlines
Tue 9/1511:13 am
LIH
-
IAD
2 stops25h 01m
Multiple Airlines
Deal found 6/6$511
This Delta deal was found by Cheapflights users on 6/7. 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 11/107:05 am
IAD
-
LIH
1 stop18h 17m
Delta
Sun 11/1510:45 pm
LIH
-
IAD
2 stops14h 29m
Delta
Deal found 6/7$542
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 11/106:40 pm
IAD
-
LIH
2 stops24h 12m
Multiple Airlines
Sun 11/155:33 pm
LIH
-
IAD
2 stops19h 07m
Multiple Airlines
Deal found 6/10$547
This Expedia deal was found by Cheapflights users on 6/8. 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.
Tue 9/159:03 am
IAD
-
LIH
1 stop17h 11m
Alaska Airlines
Tue 9/2210:45 am
LIH
-
IAD
1 stop25h 29m
Alaska Airlines
Deal found 6/8$555
This Expedia deal was found by Cheapflights users on 6/8. 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.
Tue 9/159:03 am
IAD
-
LIH
1 stop17h 11m
Multiple Airlines
Tue 9/2211:13 am
LIH
-
IAD
2 stops25h 01m
Multiple Airlines
Deal found 6/8$560
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/2812:40 pm
IAD
-
LIH
1 stop13h 04m
United Airlines
Fri 9/41:00 pm
LIH
-
IAD
1 stop11h 38m
United Airlines
Deal found 6/8$566
This Expedia deal was found by Cheapflights users on 6/10. 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.
Sat 10/177:24 pm
IAD
-
LIH
1 stop22h 11m
Multiple Airlines
Fri 10/238:03 pm
LIH
-
IAD
2 stops15h 50m
Multiple Airlines
Deal found 6/10$572
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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.
Mon 9/77:35 pm
IAD
-
LIH
1 stop22h 01m
Alaska Airlines
Tue 9/1512:47 pm
LIH
-
IAD
1 stop29h 12m
Alaska Airlines
Deal found 6/6$573

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 June 11, 2026.

Round-trip from

$506
(United Airlines)

One-way from

$253
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$920
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 ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 11, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 9/7

6:30 am-3:40 pm

1 stop15h 10m

Lihue

Wed 9/16

1:03 pm-6:38 am

1 stop11h 35m

$506

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sun 7/19

6:03 am-9:25 pm

1 stop21h 22m

Lihue

Wed 7/29

12:31 pm-6:39 am

1 stop12h 08m

$693

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Fri 7/10

7:49 pm-11:28 am

1 stop21h 39m

Lihue

Tue 7/21

12:55 pm-5:11 pm

2 stops22h 16m

$700

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Fri 9/4

6:10 am-7:16 pm

2 stops19h 06m

Lihue

Fri 9/11

9:45 pm-7:16 pm

2 stops15h 31m

$711

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Fri 7/10

7:49 pm-11:28 am

1 stop21h 39m

Lihue

Tue 7/21

10:28 pm-6:39 am

1 stop26h 11m

$722

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 8/3

6:03 am-9:25 pm

1 stop21h 22m

Lihue

Mon 8/10

10:28 pm-6:39 am

1 stop26h 11m

$723

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 8/3

6:14 pm-9:25 pm

1 stop33h 11m

Lihue

Mon 8/10

2:30 pm-6:45 pm

2 stops22h 15m

$728
Cheapest one-way

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sat 11/7

7:15 am-8:22 pm

2 stops18h 07m

$289

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Fri 8/7

1:10 pm-8:14 pm

1 stop13h 04m

$314

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sun 7/26

6:20 am-8:48 pm

1 stop20h 28m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 15 resultsSorted by cheapest first
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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kaua'i (average of $351). Flying from Washington, D.C. Dulles Intl Airport to Kaua'i in June is currently the most expensive (average of $799). 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 June 11, 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
7.9
Good
12,479 reviews

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,479 reviews
Alaska Airlines
7.9
Good
12,479 reviews

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
United Airlines
7.4
Good
9,807 reviews
Alaska Airlines
7.9
Good
12,479 reviews

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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 10m. Fly via United Airlines, Alaska Airlines, or Delta 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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kaua'i (average of $351). Flying from Washington, D.C. Dulles Intl Airport to Kaua'i in June is currently the most expensive (average of $799). 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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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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$376Average$792FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$494Average$805FlexibilityNo cancel feeOn-time69%

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