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

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $224. Alaska Airlines flights start at $229 while deals on Hawaiian Airlines start at $234 one-way.

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

Currently, August is the cheapest month in which you can book a flight from Kaua'i to Washington, D.C. (average of $241). Flying from Kaua'i to Washington, D.C. in March is currently the most expensive (average of $290). 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.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Kaua'i to Washington, D.C.?

When deciding which route to take from Kaua'i to Washington, D.C. consider Lihue - Baltimore/Washington, Lihue - Washington, D.C. Dulles Intl or Lihue - Washington, D.C. Reagan-National as they are the most popular.

What is the cheapest time of day to fly from FUS to WAS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kaua'i to Washington, D.C. as you normally would.

Can I find deals for flights from Kaua'i to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Kaua'i to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Kaua'i to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to Washington, D.C..

Can I find deals for business class flights from Kaua'i to Washington, D.C.?

Yes. Cheapflights offers flight deals from Kaua'i to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$224+ Flights from Kaua'i to Washington, D.C.

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Cheap flight deals from Kaua'i to Washington, D.C.

Round-trip from	$507 (United Airlines)
One-way from	$224 (Delta)

From Kaua'i to Washington, D.C. (WAS)

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One-way flight from Kaua'i to Washington, D.C. (WAS)

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Find flight deals from Kaua'i to Washington, D.C.

Cheapest flights from Kaua'i to Washington, D.C.
Explore the most affordable flight options available from Kaua'i to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2025.

Wed 12/242:00 pmLIH - BWI

1 stop13h 17mUnited Airlines

Wed 12/3110:23 amBWI - LIH

2 stops17h 21mUnited Airlines

Deal found 8/6

$507

Thu 11/209:10 pmLIH - BWI

1 stop15h 50mSouthwest

Tue 12/26:15 amBWI - LIH

2 stops20h 05mSouthwest

Deal found 8/6

$597

Wed 12/242:29 pmLIH - IAD

1 stop11h 51mUnited Airlines

Wed 12/316:20 amIAD - LIH

1 stop15h 47mUnited Airlines

Deal found 8/6

$613

Wed 12/249:40 pmLIH - IAD

2 stops15h 37mDelta

Tue 12/307:00 amIAD - LIH

1 stop18h 12mDelta

Deal found 8/4

$738

Thu 11/202:15 pmLIH - BWI

1 stop12h 41mUnited Airlines

Tue 12/28:20 amBWI - LIH

1 stop13h 38mUnited Airlines

Deal found 8/6

$751

Thu 11/209:10 pmLIH - BWI

1 stop15h 50mSouthwest

Sun 11/306:05 amBWI - LIH

2 stops15h 20mSouthwest

Deal found 8/6

$783

Wed 12/242:29 pmLIH - IAD

1 stop11h 51mUnited Airlines

Tue 12/308:36 amIAD - LIH

1 stop19h 08mUnited Airlines

Deal found 8/4

$836

Thu 11/2011:25 pmLIH - BWI

1 stop25h 13mAlaska Airlines

Sun 11/307:00 amBWI - LIH

1 stop20h 14mAlaska Airlines

Deal found 8/6

$982

Wed 12/2410:17 pmLIH - IAD

2 stops12h 56mAmerican Airlines

Tue 12/305:00 amIAD - LIH

2 stops14h 27mAmerican Airlines

Deal found 8/4

$984

Thu 11/202:49 pmLIH - BWI

2 stops15h 09mAmerican Airlines

Tue 12/25:04 amBWI - LIH

3 stops16h 58mAmerican Airlines

Deal found 8/6

$1,256

Best flights from Kaua'i to Washington, D.C.
Discover carefully curated flight deals from Kaua'i to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2025.

Wed 12/242:00 pmLIH - BWI

1 stop13h 17mUnited Airlines

Wed 12/3110:23 amBWI - LIH

2 stops17h 21mUnited Airlines

Deal found 8/6

$507

Thu 11/209:10 pmLIH - BWI

1 stop15h 50mSouthwest

Tue 12/26:15 amBWI - LIH

2 stops20h 05mSouthwest

Deal found 8/6

$597

Wed 12/249:40 pmLIH - IAD

2 stops15h 37mDelta

Tue 12/307:00 amIAD - LIH

1 stop18h 12mDelta

Deal found 8/4

$738

Thu 11/2011:25 pmLIH - BWI

1 stop25h 13mAlaska Airlines

Sun 11/307:00 amBWI - LIH

1 stop20h 14mAlaska Airlines

Deal found 8/6

$982

Wed 12/2410:17 pmLIH - IAD

2 stops12h 56mAmerican Airlines

Tue 12/305:00 amIAD - LIH

2 stops14h 27mAmerican Airlines

Deal found 8/4

$984

Wed 12/242:29 pmLIH - IAD

1 stop11h 51mUnited Airlines

Wed 12/316:20 amIAD - LIH

1 stop15h 47mUnited Airlines

Deal found 8/6

$613

Thu 11/209:10 pmLIH - BWI

1 stop15h 50mSouthwest

Sun 11/306:05 amBWI - LIH

2 stops15h 20mSouthwest

Deal found 8/6

$783

Thu 11/202:15 pmLIH - BWI

1 stop12h 41mUnited Airlines

Tue 12/28:20 amBWI - LIH

1 stop13h 38mUnited Airlines

Deal found 8/6

$751

Wed 12/242:29 pmLIH - IAD

1 stop11h 51mUnited Airlines

Tue 12/308:36 amIAD - LIH

1 stop19h 08mUnited Airlines

Deal found 8/4

$836

Thu 11/202:49 pmLIH - BWI

2 stops15h 09mAmerican Airlines

Tue 12/25:04 amBWI - LIH

3 stops16h 58mAmerican Airlines

Deal found 8/6

$1,256

One-way flights from Kaua'i to Washington, D.C.
Search for one-way flight options from Kaua'i to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 6, 2025.

Thu 10/309:40 pmLIH - DCA

1 stop11h 48mDelta

Deal found 8/6

$224

Thu 10/305:15 pmLIH - DCA

2 stops18h 43mAlaska Airlines

Deal found 8/6

$229

Thu 10/3010:23 pmLIH - IAD

1 stop12h 17mHawaiian Airlines

Deal found 8/4

$234

Thu 10/304:15 pmLIH - IAD

2 stops18h 25mAlaska Airlines

Deal found 8/4

$239

Fri 8/299:40 pmLIH - DCA

1 stop11h 45mDelta

Deal found 8/6

$254

Sun 10/57:40 pmLIH - IAD

1 stop11h 48mUnited Airlines

Deal found 8/6

$264

Sun 10/267:30 pmLIH - IAD

2 stops14h 25mUnited Airlines

Deal found 8/5

$269

Wed 11/122:48 pmLIH - BWI

2 stops34h 30mAlaska Airlines

Deal found 8/4

$285

Sun 10/59:40 pmLIH - DCA

1 stop11h 48mDelta

Deal found 8/6

$292

Mon 10/69:40 pmLIH - IAD

1 stop21h 00mDelta

Deal found 8/4

$296

Sun 10/51:44 pmLIH - DCA

2 stops13h 16mAmerican Airlines

Deal found 8/6

$297

Fri 8/299:16 pmLIH - IAD

2 stops15h 44mAmerican Airlines

Deal found 8/6

$298

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LihueBaltimore

LIH - BWI

LIHBWI

Lihue

Wed 12/24

2:00 pm-8:17 am

1 stop13h 17m

Baltimore/Washington

Wed 12/31

10:23 am-10:44 pm

2 stops17h 21m

$507

LihueBaltimore

LIH - BWI

LIHBWI

Lihue

Thu 11/20

9:10 pm-6:00 pm

1 stop15h 50m

Baltimore/Washington

Tue 12/2

6:15 am-9:20 pm

2 stops20h 05m

$597

LihueWashington, D.C.

LIH - IAD

LIHIAD

Lihue

Wed 12/24

2:29 pm-7:20 am

1 stop11h 51m

Washington, D.C. Dulles Intl

Wed 12/31

6:20 am-5:07 pm

1 stop15h 47m

$613

LihueWashington, D.C.

LIH - IAD

LIHIAD

Lihue

Wed 12/24

9:40 pm-6:17 pm

2 stops15h 37m

Washington, D.C. Dulles Intl

Tue 12/30

7:00 am-8:12 pm

1 stop18h 12m

$738

LihueBaltimore

LIH - BWI

LIHBWI

Lihue

Thu 11/20

2:15 pm-7:56 am

1 stop12h 41m

Baltimore/Washington

Tue 12/2

8:20 am-4:58 pm

1 stop13h 38m

$751

LihueBaltimore

LIH - BWI

LIHBWI

Lihue

Thu 11/20

9:10 pm-6:00 pm

1 stop15h 50m

Baltimore/Washington

Sun 11/30

6:05 am-4:25 pm

2 stops15h 20m

$783

LihueWashington, D.C.

LIH - IAD

LIHIAD

Lihue

Wed 12/24

2:29 pm-7:20 am

1 stop11h 51m

Washington, D.C. Dulles Intl

Tue 12/30

8:36 am-10:44 pm

1 stop19h 08m

$836

LihueBaltimore

LIH - BWI

LIHBWI

Lihue

Thu 11/20

11:25 pm-5:38 am

1 stop25h 13m

Baltimore/Washington

Sun 11/30

7:00 am-10:14 pm

1 stop20h 14m

$982

LihueWashington, D.C.

LIH - IAD

LIHIAD

Lihue

Wed 12/24

10:17 pm-4:13 pm

2 stops12h 56m

Washington, D.C. Dulles Intl

Tue 12/30

5:00 am-2:27 pm

2 stops14h 27m

$984

LihueBaltimore

LIH - BWI

LIHBWI

Lihue

Thu 11/20

2:49 pm-10:58 am

2 stops15h 09m

Baltimore/Washington

Tue 12/2

5:04 am-5:02 pm

3 stops16h 58m

$1,256

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 33 results

Best time to book a flight from Kaua'i to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Kaua'i 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 Kaua'i to Washington, D.C.

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Kaua'i to Washington, D.C. to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Southwest

8.0

Very good

4,244 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Delta

8.0

Very good

7,985 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Hawaiian Airlines

7.8

Good

2,628 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

United Airlines

7.4

Good

8,917 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

What are the cheapest airlines to fly from Kaua'i to Washington, D.C. one-way?
To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $224. Alaska Airlines flights start at $229 while deals on Hawaiian Airlines start at $234 one-way.
What are the most popular routes from Kaua'i to Washington, D.C.?
When deciding which route to take from Kaua'i to Washington, D.C. consider Lihue - Baltimore/Washington, Lihue - Washington, D.C. Dulles Intl or Lihue - Washington, D.C. Reagan-National as they are the most popular.
Can I find deals for flights from Kaua'i to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Kaua'i to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kaua'i to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to Washington, D.C..
Can I find deals for business class flights from Kaua'i to Washington, D.C.?
Yes. Cheapflights offers flight deals from Kaua'i to Washington, D.C. 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 Kaua'i to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Kaua'i to Washington, D.C. (average of $241). Flying from Kaua'i to Washington, D.C. in March is currently the most expensive (average of $290). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Easton

Fairfax

Manassas

Falls Church

Laurel

Rockville

Oxon Hill

Springfield

National Harbor

Dundalk

Waldorf

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Kaua'i to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$559	Average$694	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$593	Average$1,036	FlexibilityNo cancel fee	On-time71%

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$224+ Cheap flights from Kaua'i to Washington, D.C. (WAS)

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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kaua'i to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kaua'i to Washington, D.C.

Keep the following information in mind while searching for Kaua'i to Washington, D.C. flight deals. Data was last updated August 6, 2025.

Round-trip from

One-way from

Find flight deals from Kaua'i to Washington, D.C.

Cheapest flights from Kaua'i to Washington, D.C.Explore the most affordable flight options available from Kaua'i to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2025.

Explore the most affordable flight options available from Kaua'i to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Kaua'i to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Kaua'i with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Kaua'i to Washington, D.C.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Kaua'i to Washington, D.C. to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Kaua'i to Washington, D.C.. 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 Kaua'i to Washington, D.C. one-way?

What are the most popular routes from Kaua'i to Washington, D.C.?

Can I find deals for flights from Kaua'i to Washington, D.C. that include hotel bookings?

How can I find direct flights from Kaua'i to Washington, D.C.?

Can I find deals for business class flights from Kaua'i to Washington, D.C.?

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

Traveling to a place near Washington, D.C.?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kaua'i to Washington, D.C.

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

Top 2 airlines flying from Kaua'i to Washington, D.C.

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Cheapest flights from Kaua'i to Washington, D.C.
Explore the most affordable flight options available from Kaua'i to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2025.