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

$337 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $342 and $465, respectively.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Kaua'i?

Before booking your flight from Washington, D.C. Dulles Intl Airport to Kaua'i check out the most popular airlines for this route: Alaska Airlines, Delta or United Airlines.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Kaua'i?

Find a great deal and save up to 43% by booking at least 15 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. Dulles Intl Airport to Kaua'i within the next two weeks, with the cheapest ticket starting at $730.

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

Our data shows that September tends to be the cheapest month to fly to Kaua'i from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around $762 for the month, but tickets can be as low as $446. Due to multiple factors, prepare for potentially higher prices in March.

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.

$337+ Flights from Washington, D.C. Dulles Intl Airport to Kaua'i

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Cheap flight deals from Dulles Intl to Kaua'i

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$613 (Alaska Airlines)
One-way from	$337 (Delta)
Popular in	March
Cheapest in	September
Average price	$693

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. 9% potential increase in price ($79 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in May 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 mayo 23, 2025.

dom. 9/79:00 amIAD - LIH

1 stop18h 30mAlaska Airlines

mié. 9/1011:00 amLIH - IAD

1 stop14h 32mAlaska Airlines

Deal found 5/22

$608

vie. 10/315:06 amIAD - LIH

2 stops14h 56mAmerican Airlines

lun. 11/1010:11 pmLIH - IAD

2 stops13h 01mAmerican Airlines

Deal found 5/22

$642

mié. 8/276:35 amIAD - LIH

2 stops15h 01mUnited Airlines

mié. 9/177:40 pmLIH - IAD

2 stops14h 12mUnited Airlines

Deal found 5/22

$740

dom. 8/176:15 amIAD - LIH

2 stops17h 03mDelta

dom. 8/248:28 pmLIH - IAD

2 stops16h 21mDelta

Deal found 5/22

$954

dom. 12/217:50 pmIAD - LIH

2 stops22h 25mSouthwest

vie. 1/27:05 pmLIH - IAD

2 stops19h 00mSouthwest

Deal found 5/22

$2,036

Best flights from Dulles Intl to Kaua'i
Discover carefully curated flight deals from Dulles Intl to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mayo 23, 2025.

mié. 8/69:00 amIAD - LIH

1 stop18h 54mAlaska Airlines

lun. 8/1110:54 pmLIH - IAD

1 stop14h 05mAlaska Airlines

Deal found 5/22

$613

dom. 5/256:35 amIAD - LIH

1 stop15h 00mUnited Airlines

lun. 6/912:55 pmLIH - IAD

1 stop11h 44mUnited Airlines

Deal found 5/22

$758

dom. 8/176:15 amIAD - LIH

2 stops17h 03mDelta

dom. 8/248:28 pmLIH - IAD

2 stops16h 21mDelta

Deal found 5/22

$954

sáb. 8/96:27 amIAD - LIH

2 stops16h 35mAmerican Airlines

sáb. 8/161:45 pmLIH - IAD

2 stops15h 16mAmerican Airlines

Deal found 5/22

$1,287

Last-minute flights from Dulles Intl to Kaua'i
Discover last-minute flight deals from Dulles Intl to Kaua'i. Data last updated mayo 23, 2025 and is based on user searches.

dom. 5/256:35 amIAD - LIH

1 stop15h 00mUnited Airlines

lun. 6/912:55 pmLIH - IAD

1 stop11h 44mUnited Airlines

Deal found 5/22

$758

jue. 5/299:00 amIAD - LIH

1 stop18h 33mAlaska Airlines

jue. 6/127:40 amLIH - IAD

2 stops17h 10mAlaska Airlines

Deal found 5/22

$678

One-way flights from Dulles Intl to Kaua'i
Search for one-way flight options from Dulles Intl to Kaua'i. Find affordable one-way fares based on user searches. Data last updated mayo 23, 2025.

vie. 5/307:45 amIAD - LIH

1 stop17h 15mDelta

Deal found 5/22

$337

vie. 5/306:30 amIAD - LIH

2 stops14h 45mAlaska Airlines

Deal found 5/22

$342

sáb. 6/216:30 amIAD - LIH

1 stop12h 52mUnited Airlines

Deal found 5/22

$465

Cheapflights Fare Finder

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

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

mié. 8/6

9:00 am-9:54 pm

1 stop18h 54m

Lihue

lun. 8/11

10:54 pm-6:59 pm

1 stop14h 05m

$613

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

dom. 5/25

6:35 am-3:35 pm

1 stop15h 00m

Lihue

lun. 6/9

12:55 pm-6:39 am

1 stop11h 44m

$758

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

dom. 8/17

6:15 am-5:18 pm

2 stops17h 03m

Lihue

dom. 8/24

8:28 pm-6:49 pm

2 stops16h 21m

$954

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

sáb. 8/9

6:27 am-5:02 pm

2 stops16h 35m

Lihue

sáb. 8/16

1:45 pm-11:01 am

2 stops15h 16m

$1,287

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

vie. 5/30

7:45 am-7:00 pm

1 stop17h 15m

$337

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

vie. 5/30

6:30 am-3:15 pm

2 stops14h 45m

$342

Washington, D.C.Lihue

IAD - LIH

IADLIH

Washington, D.C. Dulles Intl

sáb. 6/21

6:30 am-1:22 pm

1 stop12h 52m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kaua'i (average of $440). Flying from Washington, D.C. Dulles Intl Airport to Kaua'i in June is currently the most expensive (average of $683). 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?

When flying from Washington, D.C. Dulles Intl Airport to Kaua'i, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Kaua'i by month

In terms of precipitation, rainfall in Kaua'i ranges from 2.2 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. June is typically the driest time to visit Kaua'i when rainfall is around 2.2 in.

Temperature in Kaua'i by month

If weather is an important factor for your trip to Kaua'i, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Kaua'i

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,952 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,745 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Kaua'i one-way?
$337 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $342 and $465, 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kaua'i (average of $440). Flying from Washington, D.C. Dulles Intl Airport to Kaua'i in June is currently the most expensive (average of $683). 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

Alternative routes for Dulles Intl to Kaua'i

Top 3 airlines flying from Dulles Intl to Kaua'i

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$455	Average$885	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$517	Average$723	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$561	Average$915	FlexibilityNo cancel fee	On-time69%

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$337+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Kaua'i with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 mayo 23, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Kaua'i

Cheapest flights from Dulles Intl to Kaua'iExplore 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 mayo 23, 2025.

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 mayo 23, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kaua'i that are best for you.

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.

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?

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 mayo 23, 2025.

Rainfall in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average rainfall totals by month.

Temperature in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average temperature totals by month.

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 mayo 23, 2025.

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.

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Dulles Intl to Kaua'i

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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 mayo 23, 2025.