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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 15 — Jul 221
Wed 7/15
Wed 7/22
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 15, 2026.

This United Airlines deal was found by Cheapflights users on 6/13. 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.
Mon 8/2412:40 pm
IAD
-
LIH
1 stop13h 04m
United Airlines
Thu 8/271:15 pm
LIH
-
IAD
1 stop12h 20m
United Airlines
Deal found 6/13$506
This Orbitz deal was found by Cheapflights users on 6/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:33 pm
IAD
-
LIH
2 stops28h 05m
Multiple Airlines
Tue 11/311:45 am
LIH
-
IAD
1 stop24h 55m
Multiple Airlines
Deal found 6/13$511
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 10/57:24 pm
IAD
-
LIH
1 stop22h 11m
Multiple Airlines
Mon 10/124:52 pm
LIH
-
IAD
2 stops19h 01m
Multiple Airlines
Deal found 6/11$512
This Delta deal was found by Cheapflights users on 6/13. 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.
Mon 8/247:00 am
IAD
-
LIH
2 stops18h 16m
Delta
Thu 8/278:41 pm
LIH
-
IAD
2 stops14h 01m
Delta
Deal found 6/13$517
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Fri 9/1812:40 pm
IAD
-
LIH
1 stop13h 04m
United Airlines
Tue 9/221:20 pm
LIH
-
IAD
1 stop11h 40m
United Airlines
Deal found 6/13$536
This Delta deal was found by Cheapflights users on 6/12. 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 11/107:05 am
IAD
-
LIH
1 stop18h 17m
Delta
Sun 11/1510:45 pm
LIH
-
IAD
2 stops14h 41m
Delta
Deal found 6/12$542
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 stops26h 00m
Multiple Airlines
Sun 11/157:21 pm
LIH
-
IAD
2 stops17h 19m
Multiple Airlines
Deal found 6/11$547
This Expedia deal was found by Cheapflights users on 6/14. 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 10/209:35 am
IAD
-
LIH
1 stop17h 55m
Multiple Airlines
Tue 10/277:21 pm
LIH
-
IAD
2 stops22h 38m
Multiple Airlines
Deal found 6/14$561
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:15 am
IAD
-
LIH
1 stop13h 25m
United Airlines
Fri 8/281:00 pm
LIH
-
IAD
1 stop11h 53m
United Airlines
Deal found 6/10$566
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/136:30 am
IAD
-
LIH
1 stop15h 10m
United Airlines
Thu 8/277:35 pm
LIH
-
IAD
1 stop11h 55m
United Airlines
Deal found 6/11$567
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:47 pm
IAD
-
LIH
1 stop21h 49m
Multiple Airlines
Sun 10/48:03 pm
LIH
-
IAD
2 stops21h 56m
Multiple Airlines
Deal found 6/10$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 15, 2026.

Round-trip from

$506
(United Airlines)

One-way from

$253
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$897
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 ($45 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 15, 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

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sat 9/26

12:45 pm-7:44 pm

1 stop12h 59m

Lihue

Sun 10/4

7:35 pm-1:30 pm

1 stop11h 55m

$658

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Tue 7/7

1:10 pm-8:14 pm

1 stop13h 04m

Lihue

Tue 7/14

10:44 pm-4:25 pm

1 stop11h 41m

$677

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Tue 9/29

10:18 pm-11:50 am

2 stops19h 32m

Lihue

Thu 10/1

7:35 pm-3:46 pm

1 stop14h 11m

$724

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 8/3

6:14 pm-11:08 am

2 stops22h 54m

Lihue

Mon 8/10

2:30 pm-6:45 pm

2 stops22h 15m

$736
Quickest round-trip

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sat 9/26

12:45 pm-7:44 pm

1 stop12h 59m

Lihue

Sat 10/3

1:05 pm-6:29 am

1 stop11h 24m

$740

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Mon 10/5

6:20 am-5:40 pm

2 stops17h 20m

Lihue

Mon 10/12

9:26 pm-6:26 pm

2 stops15h 00m

$765

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sat 7/11

8:00 pm-11:28 am

1 stop21h 28m

Lihue

Tue 7/21

10:28 pm-5:11 pm

1 stop12h 43m

$768

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Thu 7/16

6:00 am-6:58 pm

2 stops18h 58m

Lihue

Tue 7/21

9:55 pm-11:13 pm

2 stops19h 18m

$775

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

3:43 pm-6:45 pm

2 stops21h 02m

$785

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

Sun 8/2

6:03 am-2:40 pm

1 stop14h 37m

Lihue

Wed 8/12

12:31 pm-6:39 am

1 stop12h 08m

$822

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 20 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 15, 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
12,509 reviews

Boarding

8.1

Overall

7.9

Food

7.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

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
12,509 reviews
Alaska Airlines
7.9
Good
12,509 reviews

Boarding

8.1

Overall

7.9

Food

7.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

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
9,827 reviews
Alaska Airlines
7.9
Good
12,509 reviews

Boarding

8.1

Overall

7.9

Food

7.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

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 12h 59m. 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, 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

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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$376Average$732FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$494Average$812FlexibilityNo cancel feeOn-time69%

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